10-Q Filing

ADTRAN HOLDINGS, INC. CIK: 926282 Q3 2025

Filing Information

Form Type	10-Q
Accession Number	`0001193125-25-264157`
Period End Date	20250930
Filing Date	20251104
Fiscal Year	2025
Fiscal Period	Q3
XBRL Instance	adtn-20250930_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 280 Income Statement 168 Cash Flow Statement 200 Stockholders Equity 138 Comprehensive Income 56

Balance Sheet 280 line items

Line Item	Tag	Value	Unit	Period
Accounts receivable, allowance for credit losses	`AllowanceForDoubtfulAccountsReceivableCurrent`	$420.00K	USD	Point-in-time
Accounts receivable, allowance for credit losses	`AllowanceForDoubtfulAccountsReceivableCurrent`	$420.00K	USD	Point-in-time
Accounts receivable, allowance for credit losses	`AllowanceForDoubtfulAccountsReceivableCurrent`	$1.30M	USD	Point-in-time
Accounts receivable, allowance for credit losses	`AllowanceForDoubtfulAccountsReceivableCurrent`	$1.30M	USD	Point-in-time
Accounts receivable, allowance for credit losses	`AllowanceForDoubtfulAccountsReceivableCurrent`	$1.24M	USD	Point-in-time
Accounts receivable, allowance for credit losses	`AllowanceForDoubtfulAccountsReceivableCurrent`	$1.24M	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$88.46M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$88.46M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$76.02M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$76.02M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$93.68M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$93.68M	USD	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	200.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	200.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	200.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	200.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	200.00M	shares	Point-in-time
Common stock, shares authorized	`CommonStockSharesAuthorized`	200.00M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	79.23M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	79.23M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	79.48M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	79.48M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	80.09M	shares	Point-in-time
Common stock, shares issued	`CommonStockSharesIssued`	80.09M	shares	Point-in-time
Restricted cash	`RestrictedCash`	-	USD	Point-in-time
Restricted cash	`RestrictedCash`	-	USD	Point-in-time
Restricted cash	`RestrictedCash`	$7.55M	USD	Point-in-time
Restricted cash	`RestrictedCash`	$7.55M	USD	Point-in-time
Accounts receivable, less allowance for credit losses of $1,237 and $1,300 as of September 30, 2025 and December 31, 2024, respectively	`AccountsReceivableNetCurrent`	$172.03M	USD	Point-in-time
Accounts receivable, less allowance for credit losses of $1,237 and $1,300 as of September 30, 2025 and December 31, 2024, respectively	`AccountsReceivableNetCurrent`	$172.03M	USD	Point-in-time
Accounts receivable, less allowance for credit losses of $1,237 and $1,300 as of September 30, 2025 and December 31, 2024, respectively	`AccountsReceivableNetCurrent`	$178.03M	USD	Point-in-time
Accounts receivable, less allowance for credit losses of $1,237 and $1,300 as of September 30, 2025 and December 31, 2024, respectively	`AccountsReceivableNetCurrent`	$178.03M	USD	Point-in-time
Accounts receivable, less allowance for credit losses of $1,237 and $1,300 as of September 30, 2025 and December 31, 2024, respectively	`AccountsReceivableNetCurrent`	$178.62M	USD	Point-in-time
Accounts receivable, less allowance for credit losses of $1,237 and $1,300 as of September 30, 2025 and December 31, 2024, respectively	`AccountsReceivableNetCurrent`	$178.62M	USD	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	78.97M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	78.97M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	79.22M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	79.22M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	79.83M	shares	Point-in-time
Common stock, shares outstanding	`CommonStockSharesOutstanding`	79.83M	shares	Point-in-time
Other receivables	`OtherReceivablesNetCurrent`	$12.87M	USD	Point-in-time
Other receivables	`OtherReceivablesNetCurrent`	$12.87M	USD	Point-in-time
Other receivables	`OtherReceivablesNetCurrent`	$9.78M	USD	Point-in-time
Other receivables	`OtherReceivablesNetCurrent`	$9.78M	USD	Point-in-time
Other receivables	`OtherReceivablesNetCurrent`	$8.71M	USD	Point-in-time
Other receivables	`OtherReceivablesNetCurrent`	$8.71M	USD	Point-in-time
Treasury stock, shares	`TreasuryStockCommonShares`	266,000.00	shares	Point-in-time
Treasury stock, shares	`TreasuryStockCommonShares`	266,000.00	shares	Point-in-time
Treasury stock, shares	`TreasuryStockCommonShares`	266,000.00	shares	Point-in-time
Treasury stock, shares	`TreasuryStockCommonShares`	266,000.00	shares	Point-in-time
Treasury stock, shares	`TreasuryStockCommonShares`	262,000.00	shares	Point-in-time
Treasury stock, shares	`TreasuryStockCommonShares`	262,000.00	shares	Point-in-time
Inventory, net	`InventoryNet`	$276.32M	USD	Point-in-time
Inventory, net	`InventoryNet`	$276.32M	USD	Point-in-time
Inventory, net	`InventoryNet`	$261.56M	USD	Point-in-time
Inventory, net	`InventoryNet`	$261.56M	USD	Point-in-time
Inventory, net	`InventoryNet`	$223.75M	USD	Point-in-time
Inventory, net	`InventoryNet`	$223.75M	USD	Point-in-time
Income tax receivable	`IncomeTaxesReceivable`	$13.47M	USD	Point-in-time
Income tax receivable	`IncomeTaxesReceivable`	$13.47M	USD	Point-in-time
Income tax receivable	`IncomeTaxesReceivable`	$5.46M	USD	Point-in-time
Income tax receivable	`IncomeTaxesReceivable`	$5.46M	USD	Point-in-time
Income tax receivable	`IncomeTaxesReceivable`	$6.48M	USD	Point-in-time
Income tax receivable	`IncomeTaxesReceivable`	$6.48M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$66.52M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$66.52M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$56.40M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$56.40M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$72.42M	USD	Point-in-time
Prepaid expenses and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$72.42M	USD	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	$11.90M	USD	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	$11.90M	USD	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	$11.90M	USD	Point-in-time
Assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	$11.90M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$629.65M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$629.65M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$599.14M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$599.14M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$603.12M	USD	Point-in-time
Total Current Assets	`AssetsCurrent`	$603.12M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$150.55M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$150.55M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$106.45M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$106.45M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$121.47M	USD	Point-in-time
Property, plant and equipment, net	`PropertyPlantAndEquipmentNet`	$121.47M	USD	Point-in-time
Goodwill	`Goodwill`	$358.15M	USD	Point-in-time
Goodwill	`Goodwill`	$358.15M	USD	Point-in-time
Goodwill	`Goodwill`	$56.88M	USD	Point-in-time
Goodwill	`Goodwill`	$56.88M	USD	Point-in-time
Goodwill	`Goodwill`	$52.92M	USD	Point-in-time
Goodwill	`Goodwill`	$52.92M	USD	Point-in-time
Goodwill	`Goodwill`	$59.92M	USD	Point-in-time
Goodwill	`Goodwill`	$59.92M	USD	Point-in-time
Intangibles, net	`IntangibleAssetsNetExcludingGoodwill`	$286.10M	USD	Point-in-time
Intangibles, net	`IntangibleAssetsNetExcludingGoodwill`	$286.10M	USD	Point-in-time
Intangibles, net	`IntangibleAssetsNetExcludingGoodwill`	$284.89M	USD	Point-in-time
Intangibles, net	`IntangibleAssetsNetExcludingGoodwill`	$284.89M	USD	Point-in-time
Intangibles, net	`IntangibleAssetsNetExcludingGoodwill`	$302.28M	USD	Point-in-time
Intangibles, net	`IntangibleAssetsNetExcludingGoodwill`	$302.28M	USD	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	$25.70M	USD	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	$25.70M	USD	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	$17.83M	USD	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	$17.83M	USD	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	$17.83M	USD	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	$17.83M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$86.68M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$86.68M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$78.13M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$78.13M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$69.02M	USD	Point-in-time
Other non-current assets	`OtherAssetsNoncurrent`	$69.02M	USD	Point-in-time
Long-term investments	`LongTermInvestments`	$31.51M	USD	Point-in-time
Long-term investments	`LongTermInvestments`	$31.51M	USD	Point-in-time
Long-term investments	`LongTermInvestments`	$32.06M	USD	Point-in-time
Long-term investments	`LongTermInvestments`	$32.06M	USD	Point-in-time
Long-term investments	`LongTermInvestments`	$35.28M	USD	Point-in-time
Long-term investments	`LongTermInvestments`	$35.28M	USD	Point-in-time
Total Assets	`Assets`	$1.27B	USD	Point-in-time
Total Assets	`Assets`	$1.27B	USD	Point-in-time
Total Assets	`Assets`	$1.17B	USD	Point-in-time
Total Assets	`Assets`	$1.17B	USD	Point-in-time
Total Assets	`Assets`	$1.21B	USD	Point-in-time
Total Assets	`Assets`	$1.21B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$173.35M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$173.35M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$171.82M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$171.82M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$188.95M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$188.95M	USD	Point-in-time
Unearned revenue	`ContractWithCustomerLiabilityCurrent`	$54.62M	USD	Point-in-time
Unearned revenue	`ContractWithCustomerLiabilityCurrent`	$54.62M	USD	Point-in-time
Unearned revenue	`ContractWithCustomerLiabilityCurrent`	$52.70M	USD	Point-in-time
Unearned revenue	`ContractWithCustomerLiabilityCurrent`	$52.70M	USD	Point-in-time
Unearned revenue	`ContractWithCustomerLiabilityCurrent`	$57.56M	USD	Point-in-time
Unearned revenue	`ContractWithCustomerLiabilityCurrent`	$57.56M	USD	Point-in-time
Accrued expenses and other liabilities	`AccruedLiabilitiesAndOtherLiabilities`	$34.48M	USD	Point-in-time
Accrued expenses and other liabilities	`AccruedLiabilitiesAndOtherLiabilities`	$34.48M	USD	Point-in-time
Accrued expenses and other liabilities	`AccruedLiabilitiesAndOtherLiabilities`	$34.16M	USD	Point-in-time
Accrued expenses and other liabilities	`AccruedLiabilitiesAndOtherLiabilities`	$34.16M	USD	Point-in-time
Accrued expenses and other liabilities	`AccruedLiabilitiesAndOtherLiabilities`	$30.54M	USD	Point-in-time
Accrued expenses and other liabilities	`AccruedLiabilitiesAndOtherLiabilities`	$30.54M	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$40.37M	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$40.37M	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$32.85M	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$32.85M	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$29.25M	USD	Point-in-time
Accrued wages and benefits	`EmployeeRelatedLiabilitiesCurrent`	$29.25M	USD	Point-in-time
Income tax payable	`AccruedIncomeTaxesCurrent`	$6.89M	USD	Point-in-time
Income tax payable	`AccruedIncomeTaxesCurrent`	$6.89M	USD	Point-in-time
Income tax payable	`AccruedIncomeTaxesCurrent`	$1.94M	USD	Point-in-time
Income tax payable	`AccruedIncomeTaxesCurrent`	$1.94M	USD	Point-in-time
Income tax payable	`AccruedIncomeTaxesCurrent`	$1.45M	USD	Point-in-time
Income tax payable	`AccruedIncomeTaxesCurrent`	$1.45M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$309.71M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$309.71M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$293.47M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$293.47M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$307.75M	USD	Point-in-time
Total Current Liabilities	`LiabilitiesCurrent`	$307.75M	USD	Point-in-time
Non-current revolving credit agreement	`LongTermLineOfCredit`	$189.85M	USD	Point-in-time
Non-current revolving credit agreement	`LongTermLineOfCredit`	$189.85M	USD	Point-in-time
Non-current revolving credit agreement	`LongTermLineOfCredit`	$189.58M	USD	Point-in-time
Non-current revolving credit agreement	`LongTermLineOfCredit`	$189.58M	USD	Point-in-time
Non-current revolving credit agreement	`LongTermLineOfCredit`	$25.02M	USD	Point-in-time
Non-current revolving credit agreement	`LongTermLineOfCredit`	$25.02M	USD	Point-in-time
Non-current convertible senior notes, net of debt issuance costs	`ConvertibleLongTermNotesPayable`	$192.86M	USD	Point-in-time
Non-current convertible senior notes, net of debt issuance costs	`ConvertibleLongTermNotesPayable`	$192.86M	USD	Point-in-time
Deferred tax liabilities	`DeferredIncomeTaxLiabilitiesNet`	$17.76M	USD	Point-in-time
Deferred tax liabilities	`DeferredIncomeTaxLiabilitiesNet`	$17.76M	USD	Point-in-time
Deferred tax liabilities	`DeferredIncomeTaxLiabilitiesNet`	$30.37M	USD	Point-in-time
Deferred tax liabilities	`DeferredIncomeTaxLiabilitiesNet`	$30.37M	USD	Point-in-time
Deferred tax liabilities	`DeferredIncomeTaxLiabilitiesNet`	$32.30M	USD	Point-in-time
Deferred tax liabilities	`DeferredIncomeTaxLiabilitiesNet`	$32.30M	USD	Point-in-time
Non-current unearned revenue	`ContractWithCustomerLiabilityNoncurrent`	$24.90M	USD	Point-in-time
Non-current unearned revenue	`ContractWithCustomerLiabilityNoncurrent`	$24.90M	USD	Point-in-time
Non-current unearned revenue	`ContractWithCustomerLiabilityNoncurrent`	$22.07M	USD	Point-in-time
Non-current unearned revenue	`ContractWithCustomerLiabilityNoncurrent`	$22.07M	USD	Point-in-time
Non-current unearned revenue	`ContractWithCustomerLiabilityNoncurrent`	$23.20M	USD	Point-in-time
Non-current unearned revenue	`ContractWithCustomerLiabilityNoncurrent`	$23.20M	USD	Point-in-time
Non-current pension liability	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$12.15M	USD	Point-in-time
Non-current pension liability	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$12.15M	USD	Point-in-time
Non-current pension liability	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$8.98M	USD	Point-in-time
Non-current pension liability	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$8.98M	USD	Point-in-time
Non-current pension liability	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$9.72M	USD	Point-in-time
Non-current pension liability	`DefinedBenefitPensionPlanLiabilitiesNoncurrent`	$9.72M	USD	Point-in-time
Deferred compensation liability	`DeferredCompensationLiabilityClassifiedNoncurrent`	$32.05M	USD	Point-in-time
Deferred compensation liability	`DeferredCompensationLiabilityClassifiedNoncurrent`	$32.05M	USD	Point-in-time
Deferred compensation liability	`DeferredCompensationLiabilityClassifiedNoncurrent`	$33.20M	USD	Point-in-time
Deferred compensation liability	`DeferredCompensationLiabilityClassifiedNoncurrent`	$33.20M	USD	Point-in-time
Deferred compensation liability	`DeferredCompensationLiabilityClassifiedNoncurrent`	$36.68M	USD	Point-in-time
Deferred compensation liability	`DeferredCompensationLiabilityClassifiedNoncurrent`	$36.68M	USD	Point-in-time
Non-current lease obligations	`NonCurrentLeaseObligations`	$25.64M	USD	Point-in-time
Non-current lease obligations	`NonCurrentLeaseObligations`	$25.64M	USD	Point-in-time
Non-current lease obligations	`NonCurrentLeaseObligations`	$25.93M	USD	Point-in-time
Non-current lease obligations	`NonCurrentLeaseObligations`	$25.93M	USD	Point-in-time
Non-current lease obligations	`NonCurrentLeaseObligations`	$25.95M	USD	Point-in-time
Non-current lease obligations	`NonCurrentLeaseObligations`	$25.95M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$26.49M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$26.49M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$17.93M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$17.93M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$11.75M	USD	Point-in-time
Other non-current liabilities	`OtherLiabilitiesNoncurrent`	$11.75M	USD	Point-in-time
Total Liabilities	`Liabilities`	$638.54M	USD	Point-in-time
Total Liabilities	`Liabilities`	$638.54M	USD	Point-in-time
Total Liabilities	`Liabilities`	$621.52M	USD	Point-in-time
Total Liabilities	`Liabilities`	$621.52M	USD	Point-in-time
Total Liabilities	`Liabilities`	$665.24M	USD	Point-in-time
Total Liabilities	`Liabilities`	$665.24M	USD	Point-in-time
Commitments and contingencies (see Note 18)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (see Note 18)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (see Note 18)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (see Note 18)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (see Note 18)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (see Note 18)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Redeemable Non-Controlling Interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$422.95M	USD	Point-in-time
Redeemable Non-Controlling Interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$422.95M	USD	Point-in-time
Redeemable Non-Controlling Interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$422.94M	USD	Point-in-time
Redeemable Non-Controlling Interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$422.94M	USD	Point-in-time
Redeemable Non-Controlling Interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$402.09M	USD	Point-in-time
Redeemable Non-Controlling Interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$402.09M	USD	Point-in-time
Common stock, par value $0.01 per share; 200,000 shares authorized; 80,093 shares issued and 79,831 outstanding as of September 30, 2025 and 79,483 shares issued and 79,218 outstanding as of December 31, 2024	`CommonStockValue`	$792.00K	USD	Point-in-time
Common stock, par value $0.01 per share; 200,000 shares authorized; 80,093 shares issued and 79,831 outstanding as of September 30, 2025 and 79,483 shares issued and 79,218 outstanding as of December 31, 2024	`CommonStockValue`	$792.00K	USD	Point-in-time
Common stock, par value $0.01 per share; 200,000 shares authorized; 80,093 shares issued and 79,831 outstanding as of September 30, 2025 and 79,483 shares issued and 79,218 outstanding as of December 31, 2024	`CommonStockValue`	$795.00K	USD	Point-in-time
Common stock, par value $0.01 per share; 200,000 shares authorized; 80,093 shares issued and 79,831 outstanding as of September 30, 2025 and 79,483 shares issued and 79,218 outstanding as of December 31, 2024	`CommonStockValue`	$795.00K	USD	Point-in-time
Common stock, par value $0.01 per share; 200,000 shares authorized; 80,093 shares issued and 79,831 outstanding as of September 30, 2025 and 79,483 shares issued and 79,218 outstanding as of December 31, 2024	`CommonStockValue`	$801.00K	USD	Point-in-time
Common stock, par value $0.01 per share; 200,000 shares authorized; 80,093 shares issued and 79,831 outstanding as of September 30, 2025 and 79,483 shares issued and 79,218 outstanding as of December 31, 2024	`CommonStockValue`	$801.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$805.54M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$805.54M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$808.91M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$808.91M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$799.95M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$799.95M	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$47.23M	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$47.23M	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$11.25M	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$11.25M	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$74.66M	USD	Point-in-time
Accumulated other comprehensive income	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$74.66M	USD	Point-in-time
Retained deficit	`RetainedEarningsAccumulatedDeficit`	$-642.78M	USD	Point-in-time
Retained deficit	`RetainedEarningsAccumulatedDeficit`	$-642.78M	USD	Point-in-time
Retained deficit	`RetainedEarningsAccumulatedDeficit`	$-688.81M	USD	Point-in-time
Retained deficit	`RetainedEarningsAccumulatedDeficit`	$-688.81M	USD	Point-in-time
Retained deficit	`RetainedEarningsAccumulatedDeficit`	$-728.71M	USD	Point-in-time
Retained deficit	`RetainedEarningsAccumulatedDeficit`	$-728.71M	USD	Point-in-time
Less treasury stock at cost: 262 and 266 shares as of September 30, 2025 and December 31, 2024, respectively	`TreasuryStockValue`	$5.20M	USD	Point-in-time
Less treasury stock at cost: 262 and 266 shares as of September 30, 2025 and December 31, 2024, respectively	`TreasuryStockValue`	$5.20M	USD	Point-in-time
Less treasury stock at cost: 262 and 266 shares as of September 30, 2025 and December 31, 2024, respectively	`TreasuryStockValue`	$5.20M	USD	Point-in-time
Less treasury stock at cost: 262 and 266 shares as of September 30, 2025 and December 31, 2024, respectively	`TreasuryStockValue`	$5.20M	USD	Point-in-time
Less treasury stock at cost: 262 and 266 shares as of September 30, 2025 and December 31, 2024, respectively	`TreasuryStockValue`	$5.11M	USD	Point-in-time
Less treasury stock at cost: 262 and 266 shares as of September 30, 2025 and December 31, 2024, respectively	`TreasuryStockValue`	$5.11M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$605.26M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$605.26M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$260.85M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$260.85M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$213.63M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$213.63M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$205.58M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$205.58M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$126.95M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$126.95M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$138.89M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$138.89M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$169.61M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$169.61M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$141.58M	USD	Point-in-time
Total Equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$141.58M	USD	Point-in-time
Total Liabilities, Redeemable Non-Controlling Interest and Equity	`LiabilitiesAndStockholdersEquity`	$1.27B	USD	Point-in-time
Total Liabilities, Redeemable Non-Controlling Interest and Equity	`LiabilitiesAndStockholdersEquity`	$1.27B	USD	Point-in-time
Total Liabilities, Redeemable Non-Controlling Interest and Equity	`LiabilitiesAndStockholdersEquity`	$1.17B	USD	Point-in-time
Total Liabilities, Redeemable Non-Controlling Interest and Equity	`LiabilitiesAndStockholdersEquity`	$1.17B	USD	Point-in-time
Total Liabilities, Redeemable Non-Controlling Interest and Equity	`LiabilitiesAndStockholdersEquity`	$1.21B	USD	Point-in-time
Total Liabilities, Redeemable Non-Controlling Interest and Equity	`LiabilitiesAndStockholdersEquity`	$1.21B	USD	Point-in-time

Income Statement 168 line items

Line Item	Tag	Value	Unit	Period
Gain on redemption of redeemable non-controlling interest	`GainLossOnRedemptionOfRedeemableNonControllingInterest`	$2.98M	USD	1 Quarter
Gain on redemption of redeemable non-controlling interest	`GainLossOnRedemptionOfRedeemableNonControllingInterest`	$2.98M	USD	1 Quarter
Gain on redemption of redeemable non-controlling interest	`GainLossOnRedemptionOfRedeemableNonControllingInterest`	$2.98M	USD	3 Qtrs
Gain on redemption of redeemable non-controlling interest	`GainLossOnRedemptionOfRedeemableNonControllingInterest`	$2.98M	USD	3 Qtrs
Gain on redemption of redeemable non-controlling interest	`GainLossOnRedemptionOfRedeemableNonControllingInterest`	$519.00K	USD	1 Quarter
Gain on redemption of redeemable non-controlling interest	`GainLossOnRedemptionOfRedeemableNonControllingInterest`	$519.00K	USD	1 Quarter
Gain on redemption of redeemable non-controlling interest	`GainLossOnRedemptionOfRedeemableNonControllingInterest`	$2.01M	USD	3 Qtrs
Gain on redemption of redeemable non-controlling interest	`GainLossOnRedemptionOfRedeemableNonControllingInterest`	$2.01M	USD	3 Qtrs
Total Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$227.70M	USD	1 Quarter
Total Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$227.70M	USD	1 Quarter
Total Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$679.87M	USD	3 Qtrs
Total Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$679.87M	USD	3 Qtrs
Total Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$279.44M	USD	1 Quarter
Total Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$279.44M	USD	1 Quarter
Total Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$792.25M	USD	3 Qtrs
Total Revenue	`RevenueFromContractWithCustomerExcludingAssessedTax`	$792.25M	USD	3 Qtrs
Total Cost of Revenue	`CostOfGoodsAndServicesSold`	$144.67M	USD	1 Quarter
Total Cost of Revenue	`CostOfGoodsAndServicesSold`	$144.67M	USD	1 Quarter
Total Cost of Revenue	`CostOfGoodsAndServicesSold`	$445.26M	USD	3 Qtrs
Total Cost of Revenue	`CostOfGoodsAndServicesSold`	$445.26M	USD	3 Qtrs
Total Cost of Revenue	`CostOfGoodsAndServicesSold`	$172.31M	USD	1 Quarter
Total Cost of Revenue	`CostOfGoodsAndServicesSold`	$172.31M	USD	1 Quarter
Total Cost of Revenue	`CostOfGoodsAndServicesSold`	$491.02M	USD	3 Qtrs
Total Cost of Revenue	`CostOfGoodsAndServicesSold`	$491.02M	USD	3 Qtrs
Gross Profit	`GrossProfit`	$83.03M	USD	1 Quarter
Gross Profit	`GrossProfit`	$83.03M	USD	1 Quarter
Gross Profit	`GrossProfit`	$234.61M	USD	3 Qtrs
Gross Profit	`GrossProfit`	$234.61M	USD	3 Qtrs
Gross Profit	`GrossProfit`	$107.13M	USD	1 Quarter
Gross Profit	`GrossProfit`	$107.13M	USD	1 Quarter
Gross Profit	`GrossProfit`	$301.23M	USD	3 Qtrs
Gross Profit	`GrossProfit`	$301.23M	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$57.55M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$57.55M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$175.91M	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$175.91M	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$58.23M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$58.23M	USD	1 Quarter
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$168.87M	USD	3 Qtrs
Selling, general and administrative expenses	`SellingGeneralAndAdministrativeExpense`	$168.87M	USD	3 Qtrs
Research and development expenses	`ResearchAndDevelopmentExpense`	$51.58M	USD	1 Quarter
Research and development expenses	`ResearchAndDevelopmentExpense`	$51.58M	USD	1 Quarter
Research and development expenses	`ResearchAndDevelopmentExpense`	$172.14M	USD	3 Qtrs
Research and development expenses	`ResearchAndDevelopmentExpense`	$172.14M	USD	3 Qtrs
Research and development expenses	`ResearchAndDevelopmentExpense`	$51.68M	USD	1 Quarter
Research and development expenses	`ResearchAndDevelopmentExpense`	$51.68M	USD	1 Quarter
Research and development expenses	`ResearchAndDevelopmentExpense`	$152.43M	USD	3 Qtrs
Research and development expenses	`ResearchAndDevelopmentExpense`	$152.43M	USD	3 Qtrs
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	1 Quarter
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	1 Quarter
Goodwill impairment	`GoodwillImpairmentLoss`	$297.35M	USD	3 Qtrs
Goodwill impairment	`GoodwillImpairmentLoss`	$297.35M	USD	3 Qtrs
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	1 Quarter
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	1 Quarter
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	3 Qtrs
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	3 Qtrs
Operating Loss	`OperatingIncomeLoss`	$-26.09M	USD	1 Quarter
Operating Loss	`OperatingIncomeLoss`	$-26.09M	USD	1 Quarter
Operating Loss	`OperatingIncomeLoss`	$-410.79M	USD	3 Qtrs
Operating Loss	`OperatingIncomeLoss`	$-410.79M	USD	3 Qtrs
Operating Loss	`OperatingIncomeLoss`	$-2.79M	USD	1 Quarter
Operating Loss	`OperatingIncomeLoss`	$-2.79M	USD	1 Quarter
Operating Loss	`OperatingIncomeLoss`	$-20.07M	USD	3 Qtrs
Operating Loss	`OperatingIncomeLoss`	$-20.07M	USD	3 Qtrs
Interest and dividend income	`InvestmentIncomeInterestAndDividend`	$664.00K	USD	1 Quarter
Interest and dividend income	`InvestmentIncomeInterestAndDividend`	$664.00K	USD	1 Quarter
Interest and dividend income	`InvestmentIncomeInterestAndDividend`	$1.43M	USD	3 Qtrs
Interest and dividend income	`InvestmentIncomeInterestAndDividend`	$1.43M	USD	3 Qtrs
Interest and dividend income	`InvestmentIncomeInterestAndDividend`	$291.00K	USD	1 Quarter
Interest and dividend income	`InvestmentIncomeInterestAndDividend`	$291.00K	USD	1 Quarter
Interest and dividend income	`InvestmentIncomeInterestAndDividend`	$618.00K	USD	3 Qtrs
Interest and dividend income	`InvestmentIncomeInterestAndDividend`	$618.00K	USD	3 Qtrs
Interest expense	`InterestExpense`	$5.68M	USD	1 Quarter
Interest expense	`InterestExpense`	$5.68M	USD	1 Quarter
Interest expense	`InterestExpense`	$17.18M	USD	3 Qtrs
Interest expense	`InterestExpense`	$17.18M	USD	3 Qtrs
Interest expense	`InterestExpense`	$5.50M	USD	1 Quarter
Interest expense	`InterestExpense`	$5.50M	USD	1 Quarter
Interest expense	`InterestExpense`	$14.82M	USD	3 Qtrs
Interest expense	`InterestExpense`	$14.82M	USD	3 Qtrs
Net investment gain	`GainLossOnInvestments`	$1.38M	USD	1 Quarter
Net investment gain	`GainLossOnInvestments`	$1.38M	USD	1 Quarter
Net investment gain	`GainLossOnInvestments`	$4.51M	USD	3 Qtrs
Net investment gain	`GainLossOnInvestments`	$4.51M	USD	3 Qtrs
Net investment gain	`GainLossOnInvestments`	$2.19M	USD	1 Quarter
Net investment gain	`GainLossOnInvestments`	$2.19M	USD	1 Quarter
Net investment gain	`GainLossOnInvestments`	$3.58M	USD	3 Qtrs
Net investment gain	`GainLossOnInvestments`	$3.58M	USD	3 Qtrs
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-850.00K	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-850.00K	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-441.00K	USD	3 Qtrs
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-441.00K	USD	3 Qtrs
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-745.00K	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-745.00K	USD	1 Quarter
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-2.44M	USD	3 Qtrs
Other income (expense), net	`OtherNonoperatingIncomeExpense`	$-2.44M	USD	3 Qtrs
Loss Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-30.58M	USD	1 Quarter
Loss Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-30.58M	USD	1 Quarter
Loss Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-422.48M	USD	3 Qtrs
Loss Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-422.48M	USD	3 Qtrs
Loss Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-6.55M	USD	1 Quarter
Loss Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-6.55M	USD	1 Quarter
Loss Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-33.14M	USD	3 Qtrs
Loss Before Income Taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-33.14M	USD	3 Qtrs
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$390.00K	USD	1 Quarter
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$390.00K	USD	1 Quarter
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$-16.12M	USD	3 Qtrs
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$-16.12M	USD	3 Qtrs
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$1.20M	USD	1 Quarter
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$1.20M	USD	1 Quarter
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$1.82M	USD	3 Qtrs
Income tax (expense) benefit	`IncomeTaxExpenseBenefit`	$1.82M	USD	3 Qtrs
Net Loss	`ProfitLoss`	$-30.97M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-30.97M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-406.36M	USD	3 Qtrs
Net Loss	`ProfitLoss`	$-406.36M	USD	3 Qtrs
Net Loss	`ProfitLoss`	$-7.76M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-7.76M	USD	1 Quarter
Net Loss	`ProfitLoss`	$-34.96M	USD	3 Qtrs
Net Loss	`ProfitLoss`	$-34.96M	USD	3 Qtrs
Less: Net Income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.38M	USD	1 Quarter
Less: Net Income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.38M	USD	1 Quarter
Less: Net Income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.42M	USD	3 Qtrs
Less: Net Income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.42M	USD	3 Qtrs
Less: Net Income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.50M	USD	1 Quarter
Less: Net Income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.50M	USD	1 Quarter
Less: Net Income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.10M	USD	3 Qtrs
Less: Net Income attributable to non-controlling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.10M	USD	3 Qtrs
Net Loss attributable to ADTRAN Holdings, Inc.	`NetIncomeLoss`	$-33.35M	USD	1 Quarter
Net Loss attributable to ADTRAN Holdings, Inc.	`NetIncomeLoss`	$-33.35M	USD	1 Quarter
Net Loss attributable to ADTRAN Holdings, Inc.	`NetIncomeLoss`	$-413.78M	USD	3 Qtrs
Net Loss attributable to ADTRAN Holdings, Inc.	`NetIncomeLoss`	$-413.78M	USD	3 Qtrs
Net Loss attributable to ADTRAN Holdings, Inc.	`NetIncomeLoss`	$-10.26M	USD	1 Quarter
Net Loss attributable to ADTRAN Holdings, Inc.	`NetIncomeLoss`	$-10.26M	USD	1 Quarter
Net Loss attributable to ADTRAN Holdings, Inc.	`NetIncomeLoss`	$-42.06M	USD	3 Qtrs
Net Loss attributable to ADTRAN Holdings, Inc.	`NetIncomeLoss`	$-42.06M	USD	3 Qtrs
Weighted average shares outstanding basic	`WeightedAverageNumberOfSharesOutstandingBasic`	78.95M	shares	1 Quarter
Weighted average shares outstanding basic	`WeightedAverageNumberOfSharesOutstandingBasic`	78.95M	shares	1 Quarter
Weighted average shares outstanding basic	`WeightedAverageNumberOfSharesOutstandingBasic`	78.87M	shares	3 Qtrs
Weighted average shares outstanding basic	`WeightedAverageNumberOfSharesOutstandingBasic`	78.87M	shares	3 Qtrs
Weighted average shares outstanding basic	`WeightedAverageNumberOfSharesOutstandingBasic`	79.80M	shares	1 Quarter
Weighted average shares outstanding basic	`WeightedAverageNumberOfSharesOutstandingBasic`	79.80M	shares	1 Quarter
Weighted average shares outstanding basic	`WeightedAverageNumberOfSharesOutstandingBasic`	79.70M	shares	3 Qtrs
Weighted average shares outstanding basic	`WeightedAverageNumberOfSharesOutstandingBasic`	79.70M	shares	3 Qtrs
Weighted average shares outstanding diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	78.95M	shares	1 Quarter
Weighted average shares outstanding diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	78.95M	shares	1 Quarter
Weighted average shares outstanding diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	78.87M	shares	3 Qtrs
Weighted average shares outstanding diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	78.87M	shares	3 Qtrs
Weighted average shares outstanding diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	79.80M	shares	1 Quarter
Weighted average shares outstanding diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	79.80M	shares	1 Quarter
Weighted average shares outstanding diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	79.70M	shares	3 Qtrs
Weighted average shares outstanding diluted	`WeightedAverageNumberOfDilutedSharesOutstanding`	79.70M	shares	3 Qtrs
Loss per common share attributable to ADTRAN Holdings, Inc. - basic	`EarningsPerShareBasic`	$-0.38	USD	1 Quarter
Loss per common share attributable to ADTRAN Holdings, Inc. - basic	`EarningsPerShareBasic`	$-0.38	USD	1 Quarter
Loss per common share attributable to ADTRAN Holdings, Inc. - basic	`EarningsPerShareBasic`	$-5.21	USD	3 Qtrs
Loss per common share attributable to ADTRAN Holdings, Inc. - basic	`EarningsPerShareBasic`	$-5.21	USD	3 Qtrs
Loss per common share attributable to ADTRAN Holdings, Inc. - basic	`EarningsPerShareBasic`	$-0.12	USD	1 Quarter
Loss per common share attributable to ADTRAN Holdings, Inc. - basic	`EarningsPerShareBasic`	$-0.12	USD	1 Quarter
Loss per common share attributable to ADTRAN Holdings, Inc. - basic	`EarningsPerShareBasic`	$-0.50	USD	3 Qtrs
Loss per common share attributable to ADTRAN Holdings, Inc. - basic	`EarningsPerShareBasic`	$-0.50	USD	3 Qtrs
Loss per common share attributable to ADTRAN Holdings, Inc. - diluted	`EarningsPerShareDiluted`	$-0.38	USD	1 Quarter
Loss per common share attributable to ADTRAN Holdings, Inc. - diluted	`EarningsPerShareDiluted`	$-0.38	USD	1 Quarter
Loss per common share attributable to ADTRAN Holdings, Inc. - diluted	`EarningsPerShareDiluted`	$-5.21	USD	3 Qtrs
Loss per common share attributable to ADTRAN Holdings, Inc. - diluted	`EarningsPerShareDiluted`	$-5.21	USD	3 Qtrs
Loss per common share attributable to ADTRAN Holdings, Inc. - diluted	`EarningsPerShareDiluted`	$-0.12	USD	1 Quarter
Loss per common share attributable to ADTRAN Holdings, Inc. - diluted	`EarningsPerShareDiluted`	$-0.12	USD	1 Quarter
Loss per common share attributable to ADTRAN Holdings, Inc. - diluted	`EarningsPerShareDiluted`	$-0.50	USD	3 Qtrs
Loss per common share attributable to ADTRAN Holdings, Inc. - diluted	`EarningsPerShareDiluted`	$-0.50	USD	3 Qtrs

Cash Flow Statement 200 line items

Line Item	Tag	Value	Unit	Period
Net loss	`ProfitLoss`	$-30.97M	USD	1 Quarter
Net loss	`ProfitLoss`	$-30.97M	USD	1 Quarter
Net loss	`ProfitLoss`	$-406.36M	USD	3 Qtrs
Net loss	`ProfitLoss`	$-406.36M	USD	3 Qtrs
Net loss	`ProfitLoss`	$-7.76M	USD	1 Quarter
Net loss	`ProfitLoss`	$-7.76M	USD	1 Quarter
Net loss	`ProfitLoss`	$-34.96M	USD	3 Qtrs
Net loss	`ProfitLoss`	$-34.96M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$67.89M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$67.89M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$68.32M	USD	3 Qtrs
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$68.32M	USD	3 Qtrs
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	1 Quarter
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	1 Quarter
Goodwill impairment	`GoodwillImpairmentLoss`	$297.35M	USD	3 Qtrs
Goodwill impairment	`GoodwillImpairmentLoss`	$297.35M	USD	3 Qtrs
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	1 Quarter
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	1 Quarter
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	3 Qtrs
Goodwill impairment	`GoodwillImpairmentLoss`	-	USD	3 Qtrs
Amortization of revolving credit facility issuance costs	`AmortizationOfRevolvingCreditFacilityIssuanceCosts`	$1.01M	USD	3 Qtrs
Amortization of revolving credit facility issuance costs	`AmortizationOfRevolvingCreditFacilityIssuanceCosts`	$1.01M	USD	3 Qtrs
Amortization of revolving credit facility issuance costs	`AmortizationOfRevolvingCreditFacilityIssuanceCosts`	$975.00K	USD	3 Qtrs
Amortization of revolving credit facility issuance costs	`AmortizationOfRevolvingCreditFacilityIssuanceCosts`	$975.00K	USD	3 Qtrs
Amortization of convertible notes issuance costs	`AmortizationOfConvertibleNotesIssuanceCosts`	$45.00K	USD	3 Qtrs
Amortization of convertible notes issuance costs	`AmortizationOfConvertibleNotesIssuanceCosts`	$45.00K	USD	3 Qtrs
Gain on investments, net	`GainLossOnInvestmentsAndDividends`	$4.24M	USD	3 Qtrs
Gain on investments, net	`GainLossOnInvestmentsAndDividends`	$4.24M	USD	3 Qtrs
Gain on investments, net	`GainLossOnInvestmentsAndDividends`	$3.83M	USD	3 Qtrs
Gain on investments, net	`GainLossOnInvestmentsAndDividends`	$3.83M	USD	3 Qtrs
Net loss on disposal of property, plant and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$-203.00K	USD	3 Qtrs
Net loss on disposal of property, plant and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$-203.00K	USD	3 Qtrs
Net loss on disposal of property, plant and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$-38.00K	USD	3 Qtrs
Net loss on disposal of property, plant and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$-38.00K	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$11.48M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$11.48M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$8.74M	USD	3 Qtrs
Stock-based compensation expense	`ShareBasedCompensation`	$8.74M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-13.40M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$-13.40M	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$715.00K	USD	3 Qtrs
Deferred income taxes	`DeferredIncomeTaxExpenseBenefit`	$715.00K	USD	3 Qtrs
Other, net	`OtherNoncashIncomeExpense`	$267.00K	USD	3 Qtrs
Other, net	`OtherNoncashIncomeExpense`	$267.00K	USD	3 Qtrs
Inventory write down - business efficiency program	`InventoryWriteDown`	$4.13M	USD	3 Qtrs
Inventory write down - business efficiency program	`InventoryWriteDown`	$4.13M	USD	3 Qtrs
Inventory reserves	`InventoryLIFOReservePeriodCharge`	$6.67M	USD	3 Qtrs
Inventory reserves	`InventoryLIFOReservePeriodCharge`	$6.67M	USD	3 Qtrs
Inventory reserves	`InventoryLIFOReservePeriodCharge`	$8.75M	USD	3 Qtrs
Inventory reserves	`InventoryLIFOReservePeriodCharge`	$8.75M	USD	3 Qtrs
Accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$-59.45M	USD	3 Qtrs
Accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$-59.45M	USD	3 Qtrs
Accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$-12.29M	USD	3 Qtrs
Accounts receivable, net	`IncreaseDecreaseInAccountsReceivable`	$-12.29M	USD	3 Qtrs
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-4.88M	USD	3 Qtrs
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-4.88M	USD	3 Qtrs
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-1.77M	USD	3 Qtrs
Other receivables	`IncreaseDecreaseInOtherReceivables`	$-1.77M	USD	3 Qtrs
Income taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$947.00K	USD	3 Qtrs
Income taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$947.00K	USD	3 Qtrs
Income taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$752.00K	USD	3 Qtrs
Income taxes receivable	`IncreaseDecreaseInIncomeTaxesReceivable`	$752.00K	USD	3 Qtrs
Inventory	`IncreaseDecreaseInInventories`	$-73.89M	USD	3 Qtrs
Inventory	`IncreaseDecreaseInInventories`	$-73.89M	USD	3 Qtrs
Inventory	`IncreaseDecreaseInInventories`	$-45.43M	USD	3 Qtrs
Inventory	`IncreaseDecreaseInInventories`	$-45.43M	USD	3 Qtrs
Prepaid expenses, other current assets and other assets	`IncreaseDecreaseInPrepaidExpenseOtherCurrentAssetsAndOtherAssets`	$22.16M	USD	3 Qtrs
Prepaid expenses, other current assets and other assets	`IncreaseDecreaseInPrepaidExpenseOtherCurrentAssetsAndOtherAssets`	$22.16M	USD	3 Qtrs
Prepaid expenses, other current assets and other assets	`IncreaseDecreaseInPrepaidExpenseOtherCurrentAssetsAndOtherAssets`	$-7.16M	USD	3 Qtrs
Prepaid expenses, other current assets and other assets	`IncreaseDecreaseInPrepaidExpenseOtherCurrentAssetsAndOtherAssets`	$-7.16M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$9.70M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$9.70M	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$585.00K	USD	3 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$585.00K	USD	3 Qtrs
Accrued expenses and other liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$15.03M	USD	3 Qtrs
Accrued expenses and other liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$15.03M	USD	3 Qtrs
Accrued expenses and other liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$-26.59M	USD	3 Qtrs
Accrued expenses and other liabilities	`IncreaseDecreaseInOtherAccruedLiabilities`	$-26.59M	USD	3 Qtrs
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-3.17M	USD	3 Qtrs
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-3.17M	USD	3 Qtrs
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-1.16M	USD	3 Qtrs
Income taxes payable	`IncreaseDecreaseInAccruedIncomeTaxesPayable`	$-1.16M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$101.13M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$101.13M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$87.53M	USD	3 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$87.53M	USD	3 Qtrs
Purchases of property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$31.17M	USD	3 Qtrs
Purchases of property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$31.17M	USD	3 Qtrs
Purchases of property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$20.07M	USD	3 Qtrs
Purchases of property, plant and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$20.07M	USD	3 Qtrs
Purchases of intangibles - developed technology	`PaymentsToAcquireIntangibleAssets`	$19.67M	USD	3 Qtrs
Purchases of intangibles - developed technology	`PaymentsToAcquireIntangibleAssets`	$19.67M	USD	3 Qtrs
Purchases of intangibles - developed technology	`PaymentsToAcquireIntangibleAssets`	$29.49M	USD	3 Qtrs
Purchases of intangibles - developed technology	`PaymentsToAcquireIntangibleAssets`	$29.49M	USD	3 Qtrs
Proceeds from sales and maturities of available-for-sale investments	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$1.20M	USD	3 Qtrs
Proceeds from sales and maturities of available-for-sale investments	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$1.20M	USD	3 Qtrs
Proceeds from sales and maturities of available-for-sale investments	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$960.00K	USD	3 Qtrs
Proceeds from sales and maturities of available-for-sale investments	`ProceedsFromSaleAndMaturityOfAvailableForSaleSecurities`	$960.00K	USD	3 Qtrs
Purchases of available-for-sale investments	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$195.00K	USD	3 Qtrs
Purchases of available-for-sale investments	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$195.00K	USD	3 Qtrs
Purchases of available-for-sale investments	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$318.00K	USD	3 Qtrs
Purchases of available-for-sale investments	`PaymentsToAcquireAvailableForSaleSecuritiesDebt`	$318.00K	USD	3 Qtrs
Payments for beneficial interest in securitized accounts receivable	`ProceedsFromBeneficialInterestsInSecuritizedAccountsReceivable`	$282.00K	USD	3 Qtrs
Payments for beneficial interest in securitized accounts receivable	`ProceedsFromBeneficialInterestsInSecuritizedAccountsReceivable`	$282.00K	USD	3 Qtrs
Payments for beneficial interest in securitized accounts receivable	`ProceedsFromBeneficialInterestsInSecuritizedAccountsReceivable`	$-232.00K	USD	3 Qtrs
Payments for beneficial interest in securitized accounts receivable	`ProceedsFromBeneficialInterestsInSecuritizedAccountsReceivable`	$-232.00K	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-49.55M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-49.55M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-49.15M	USD	3 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-49.15M	USD	3 Qtrs
Tax withholdings related to stock-based compensation settlements	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$189.00K	USD	3 Qtrs
Tax withholdings related to stock-based compensation settlements	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$189.00K	USD	3 Qtrs
Tax withholdings related to stock-based compensation settlements	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.31M	USD	3 Qtrs
Tax withholdings related to stock-based compensation settlements	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.31M	USD	3 Qtrs
Proceeds from stock option exercises	`ProceedsFromStockOptionsExercised`	$219.00K	USD	3 Qtrs
Proceeds from stock option exercises	`ProceedsFromStockOptionsExercised`	$219.00K	USD	3 Qtrs
Proceeds from stock option exercises	`ProceedsFromStockOptionsExercised`	$1.43M	USD	3 Qtrs
Proceeds from stock option exercises	`ProceedsFromStockOptionsExercised`	$1.43M	USD	3 Qtrs
Proceeds from receivables purchase agreement	`ProceedsFromReceivablesPurchaseAgreement`	$68.56M	USD	3 Qtrs
Proceeds from receivables purchase agreement	`ProceedsFromReceivablesPurchaseAgreement`	$68.56M	USD	3 Qtrs
Repayments on receivables purchase agreement	`RepaymentsOnReceivablesPurchaseAgreement`	$83.77M	USD	3 Qtrs
Repayments on receivables purchase agreement	`RepaymentsOnReceivablesPurchaseAgreement`	$83.77M	USD	3 Qtrs
Proceeds from draw on revolving credit agreements	`ProceedsFromLinesOfCredit`	$24.00M	USD	3 Qtrs
Proceeds from draw on revolving credit agreements	`ProceedsFromLinesOfCredit`	$24.00M	USD	3 Qtrs
Repayment of revolving credit agreements	`RepaymentsOfLinesOfCredit`	$5.00M	USD	3 Qtrs
Repayment of revolving credit agreements	`RepaymentsOfLinesOfCredit`	$5.00M	USD	3 Qtrs
Repayment of revolving credit agreements	`RepaymentsOfLinesOfCredit`	$189.00M	USD	3 Qtrs
Repayment of revolving credit agreements	`RepaymentsOfLinesOfCredit`	$189.00M	USD	3 Qtrs
Proceeds from issuance of convertible notes	`ProceedsFromConvertibleDebt`	$201.25M	USD	3 Qtrs
Proceeds from issuance of convertible notes	`ProceedsFromConvertibleDebt`	$201.25M	USD	3 Qtrs
Payment for redemption of redeemable non-controlling interest	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	$17.39M	USD	3 Qtrs
Payment for redemption of redeemable non-controlling interest	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	$17.39M	USD	3 Qtrs
Payment for redemption of redeemable non-controlling interest	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	$19.36M	USD	3 Qtrs
Payment for redemption of redeemable non-controlling interest	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	$19.36M	USD	3 Qtrs
Payment for annual recurring compensation to non-controlling interest	`PaymentForAnnualRecurringCompensationToNonControllingInterest`	$10.08M	USD	3 Qtrs
Payment for annual recurring compensation to non-controlling interest	`PaymentForAnnualRecurringCompensationToNonControllingInterest`	$10.08M	USD	3 Qtrs
Payment for annual recurring compensation to non-controlling interest	`PaymentForAnnualRecurringCompensationToNonControllingInterest`	$10.05M	USD	3 Qtrs
Payment for annual recurring compensation to non-controlling interest	`PaymentForAnnualRecurringCompensationToNonControllingInterest`	$10.05M	USD	3 Qtrs
Payments for capped call transactions related to convertible senior notes	`PaymentsForCappedCallTransactionsRelatedToConvertibleSeniorNotes`	$17.65M	USD	3 Qtrs
Payments for capped call transactions related to convertible senior notes	`PaymentsForCappedCallTransactionsRelatedToConvertibleSeniorNotes`	$17.65M	USD	3 Qtrs
Payment of debt issuance costs on revolving credit facility and convertible notes	`PaymentsOfDebtIssuanceCosts`	$1.99M	USD	3 Qtrs
Payment of debt issuance costs on revolving credit facility and convertible notes	`PaymentsOfDebtIssuanceCosts`	$1.99M	USD	3 Qtrs
Payment of debt issuance costs on revolving credit facility and convertible notes	`PaymentsOfDebtIssuanceCosts`	$7.35M	USD	3 Qtrs
Payment of debt issuance costs on revolving credit facility and convertible notes	`PaymentsOfDebtIssuanceCosts`	$7.35M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-49.66M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-49.66M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-18.05M	USD	3 Qtrs
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-18.05M	USD	3 Qtrs
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$1.92M	USD	3 Qtrs
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$1.92M	USD	3 Qtrs
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$20.34M	USD	3 Qtrs
Net increase in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect`	$20.34M	USD	3 Qtrs
Effect of exchange rate changes	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$-630.00K	USD	3 Qtrs
Effect of exchange rate changes	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$-630.00K	USD	3 Qtrs
Effect of exchange rate changes	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$4.87M	USD	3 Qtrs
Effect of exchange rate changes	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$4.87M	USD	3 Qtrs
Cash and cash equivalents, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$87.17M	USD	Point-in-time
Cash and cash equivalents, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$87.17M	USD	Point-in-time
Cash and cash equivalents, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$88.46M	USD	Point-in-time
Cash and cash equivalents, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$88.46M	USD	Point-in-time
Cash and cash equivalents, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$76.02M	USD	Point-in-time
Cash and cash equivalents, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$76.02M	USD	Point-in-time
Cash and cash equivalents, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$101.23M	USD	Point-in-time
Cash and cash equivalents, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$101.23M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$87.17M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$87.17M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$88.46M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$88.46M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$76.02M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$76.02M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$101.23M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations`	$101.23M	USD	Point-in-time
Cash paid for interest expense	`InterestPaidNet`	$18.23M	USD	3 Qtrs
Cash paid for interest expense	`InterestPaidNet`	$18.23M	USD	3 Qtrs
Cash paid for interest expense	`InterestPaidNet`	$13.34M	USD	3 Qtrs
Cash paid for interest expense	`InterestPaidNet`	$13.34M	USD	3 Qtrs
Cash paid for income taxes, net of refunds	`IncomeTaxesPaid`	$9.12M	USD	3 Qtrs
Cash paid for income taxes, net of refunds	`IncomeTaxesPaid`	$9.12M	USD	3 Qtrs
Cash paid for income taxes, net of refunds	`IncomeTaxesPaid`	$2.41M	USD	3 Qtrs
Cash paid for income taxes, net of refunds	`IncomeTaxesPaid`	$2.41M	USD	3 Qtrs
Cash used in operating activities related to operating leases	`CashUsedInOperatingActivitiesRelatedToOperatingLeases`	$7.38M	USD	3 Qtrs
Cash used in operating activities related to operating leases	`CashUsedInOperatingActivitiesRelatedToOperatingLeases`	$7.38M	USD	3 Qtrs
Cash used in operating activities related to operating leases	`CashUsedInOperatingActivitiesRelatedToOperatingLeases`	$7.74M	USD	3 Qtrs
Cash used in operating activities related to operating leases	`CashUsedInOperatingActivitiesRelatedToOperatingLeases`	$7.74M	USD	3 Qtrs
Redemption of redeemable non-controlling interest	`RedemptionOfRedeemableNon-ControllingInterest`	$2.98M	USD	3 Qtrs
Redemption of redeemable non-controlling interest	`RedemptionOfRedeemableNon-ControllingInterest`	$2.98M	USD	3 Qtrs
Redemption of redeemable non-controlling interest	`RedemptionOfRedeemableNon-ControllingInterest`	$2.01M	USD	3 Qtrs
Redemption of redeemable non-controlling interest	`RedemptionOfRedeemableNon-ControllingInterest`	$2.01M	USD	3 Qtrs
Right-of-use assets obtained in exchange for lease obligations	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$2.12M	USD	3 Qtrs
Right-of-use assets obtained in exchange for lease obligations	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$2.12M	USD	3 Qtrs
Right-of-use assets obtained in exchange for lease obligations	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$3.69M	USD	3 Qtrs
Right-of-use assets obtained in exchange for lease obligations	`RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability`	$3.69M	USD	3 Qtrs
Purchases of property, plant and equipment included in accounts payable	`NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1`	$952.00K	USD	3 Qtrs
Purchases of property, plant and equipment included in accounts payable	`NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1`	$952.00K	USD	3 Qtrs
Purchases of property, plant and equipment included in accounts payable	`NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1`	$4.87M	USD	3 Qtrs
Purchases of property, plant and equipment included in accounts payable	`NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1`	$4.87M	USD	3 Qtrs
Purchases of property, plant and equipment included in other non-current liabilities	`PurchasesOfPropertyPlantAndEquipmentIncludedInOtherNon-CurrentLiabilities`	$5.16M	USD	3 Qtrs
Purchases of property, plant and equipment included in other non-current liabilities	`PurchasesOfPropertyPlantAndEquipmentIncludedInOtherNon-CurrentLiabilities`	$5.16M	USD	3 Qtrs
Debt issuance costs included in accrued expenses and other liabilities	`DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction`	$1.49M	USD	3 Qtrs
Debt issuance costs included in accrued expenses and other liabilities	`DebtIssuanceCostsIncurredDuringNoncashOrPartialNoncashTransaction`	$1.49M	USD	3 Qtrs

Stockholders Equity 138 line items

Line Item	Tag	Value	Unit	Period
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$605.26M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$605.26M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$260.85M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$260.85M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$213.63M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$213.63M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$205.58M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$205.58M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$126.95M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$126.95M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$138.89M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$138.89M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$169.61M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$169.61M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$141.58M	USD	Point-in-time
Beginning Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$141.58M	USD	Point-in-time
Beginning Balance, Shares	`CommonStockSharesIssued`	79.23M	shares	Point-in-time
Beginning Balance, Shares	`CommonStockSharesIssued`	79.23M	shares	Point-in-time
Beginning Balance, Shares	`CommonStockSharesIssued`	79.48M	shares	Point-in-time
Beginning Balance, Shares	`CommonStockSharesIssued`	79.48M	shares	Point-in-time
Beginning Balance, Shares	`CommonStockSharesIssued`	80.09M	shares	Point-in-time
Beginning Balance, Shares	`CommonStockSharesIssued`	80.09M	shares	Point-in-time
Net (loss) income	`ProfitLossIncludingPortionAttributableToPostDominationAndProfitAndLossTransferAgreement`	$-328.24M	USD	1 Quarter
Net (loss) income	`ProfitLossIncludingPortionAttributableToPostDominationAndProfitAndLossTransferAgreement`	$-328.24M	USD	1 Quarter
Net (loss) income	`ProfitLossIncludingPortionAttributableToPostDominationAndProfitAndLossTransferAgreement`	$-47.16M	USD	1 Quarter
Net (loss) income	`ProfitLossIncludingPortionAttributableToPostDominationAndProfitAndLossTransferAgreement`	$-47.16M	USD	1 Quarter
Net (loss) income	`ProfitLossIncludingPortionAttributableToPostDominationAndProfitAndLossTransferAgreement`	$-30.97M	USD	1 Quarter
Net (loss) income	`ProfitLossIncludingPortionAttributableToPostDominationAndProfitAndLossTransferAgreement`	$-30.97M	USD	1 Quarter
Net (loss) income	`ProfitLossIncludingPortionAttributableToPostDominationAndProfitAndLossTransferAgreement`	$-8.95M	USD	1 Quarter
Net (loss) income	`ProfitLossIncludingPortionAttributableToPostDominationAndProfitAndLossTransferAgreement`	$-8.95M	USD	1 Quarter
Net (loss) income	`ProfitLossIncludingPortionAttributableToPostDominationAndProfitAndLossTransferAgreement`	$-18.26M	USD	1 Quarter
Net (loss) income	`ProfitLossIncludingPortionAttributableToPostDominationAndProfitAndLossTransferAgreement`	$-18.26M	USD	1 Quarter
Net (loss) income	`ProfitLossIncludingPortionAttributableToPostDominationAndProfitAndLossTransferAgreement`	$-7.76M	USD	1 Quarter
Net (loss) income	`ProfitLossIncludingPortionAttributableToPostDominationAndProfitAndLossTransferAgreement`	$-7.76M	USD	1 Quarter
Annual recurring compensation earned	`StockIssuedDuringPeriodAnnualRecurringCompensationValueEarned`	$-2.53M	USD	1 Quarter
Annual recurring compensation earned	`StockIssuedDuringPeriodAnnualRecurringCompensationValueEarned`	$-2.53M	USD	1 Quarter
Annual recurring compensation earned	`StockIssuedDuringPeriodAnnualRecurringCompensationValueEarned`	$-2.50M	USD	1 Quarter
Annual recurring compensation earned	`StockIssuedDuringPeriodAnnualRecurringCompensationValueEarned`	$-2.50M	USD	1 Quarter
Annual recurring compensation earned	`StockIssuedDuringPeriodAnnualRecurringCompensationValueEarned`	$-2.38M	USD	1 Quarter
Annual recurring compensation earned	`StockIssuedDuringPeriodAnnualRecurringCompensationValueEarned`	$-2.38M	USD	1 Quarter
Annual recurring compensation earned	`StockIssuedDuringPeriodAnnualRecurringCompensationValueEarned`	$-2.32M	USD	1 Quarter
Annual recurring compensation earned	`StockIssuedDuringPeriodAnnualRecurringCompensationValueEarned`	$-2.32M	USD	1 Quarter
Annual recurring compensation earned	`StockIssuedDuringPeriodAnnualRecurringCompensationValueEarned`	$-2.27M	USD	1 Quarter
Annual recurring compensation earned	`StockIssuedDuringPeriodAnnualRecurringCompensationValueEarned`	$-2.27M	USD	1 Quarter
Annual recurring compensation earned	`StockIssuedDuringPeriodAnnualRecurringCompensationValueEarned`	$-2.50M	USD	1 Quarter
Annual recurring compensation earned	`StockIssuedDuringPeriodAnnualRecurringCompensationValueEarned`	$-2.50M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard`	$-17.83M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard`	$-17.83M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard`	$-1.38M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard`	$-1.38M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard`	$18.91M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard`	$18.91M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard`	$-304.00K	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard`	$-304.00K	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard`	$20.38M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard`	$20.38M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard`	$46.72M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard`	$46.72M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard`	$-3.70M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard`	$-3.70M	USD	1 Quarter
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard`	$63.40M	USD	3 Qtrs
Other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTaxDueToChangesInAccountingStandard`	$63.40M	USD	3 Qtrs
Deferred compensation adjustments, net of tax	`DeferredCompensationAdjustmentsNetOfTax`	$262.00K	USD	1 Quarter
Deferred compensation adjustments, net of tax	`DeferredCompensationAdjustmentsNetOfTax`	$262.00K	USD	1 Quarter
Deferred compensation adjustments, net of tax	`DeferredCompensationAdjustmentsNetOfTax`	$-3.00K	USD	1 Quarter
Deferred compensation adjustments, net of tax	`DeferredCompensationAdjustmentsNetOfTax`	$-3.00K	USD	1 Quarter
Deferred compensation adjustments, net of tax	`DeferredCompensationAdjustmentsNetOfTax`	$38.00K	USD	1 Quarter
Deferred compensation adjustments, net of tax	`DeferredCompensationAdjustmentsNetOfTax`	$38.00K	USD	1 Quarter
ADTRAN RSUs and restricted stock vested	`StockVestedDuringPeriodValueRestrictedStockPerformanceStockUnitsAndRestrictedStockUnits`	$242.00K	USD	1 Quarter
ADTRAN RSUs and restricted stock vested	`StockVestedDuringPeriodValueRestrictedStockPerformanceStockUnitsAndRestrictedStockUnits`	$242.00K	USD	1 Quarter
ADTRAN RSUs and restricted stock vested	`StockVestedDuringPeriodValueRestrictedStockPerformanceStockUnitsAndRestrictedStockUnits`	$16.00K	USD	1 Quarter
ADTRAN RSUs and restricted stock vested	`StockVestedDuringPeriodValueRestrictedStockPerformanceStockUnitsAndRestrictedStockUnits`	$16.00K	USD	1 Quarter
ADTRAN RSUs and restricted stock vested	`StockVestedDuringPeriodValueRestrictedStockPerformanceStockUnitsAndRestrictedStockUnits`	$244.00K	USD	1 Quarter
ADTRAN RSUs and restricted stock vested	`StockVestedDuringPeriodValueRestrictedStockPerformanceStockUnitsAndRestrictedStockUnits`	$244.00K	USD	1 Quarter
ADTRAN RSUs and restricted stock vested	`StockVestedDuringPeriodValueRestrictedStockPerformanceStockUnitsAndRestrictedStockUnits`	$1.17M	USD	1 Quarter
ADTRAN RSUs and restricted stock vested	`StockVestedDuringPeriodValueRestrictedStockPerformanceStockUnitsAndRestrictedStockUnits`	$1.17M	USD	1 Quarter
ADTRAN RSUs and restricted stock vested	`StockVestedDuringPeriodValueRestrictedStockPerformanceStockUnitsAndRestrictedStockUnits`	$54.00K	USD	1 Quarter
ADTRAN RSUs and restricted stock vested	`StockVestedDuringPeriodValueRestrictedStockPerformanceStockUnitsAndRestrictedStockUnits`	$54.00K	USD	1 Quarter
ADTRAN RSUs and restricted stock vested	`StockVestedDuringPeriodValueRestrictedStockPerformanceStockUnitsAndRestrictedStockUnits`	$57.00K	USD	1 Quarter
ADTRAN RSUs and restricted stock vested	`StockVestedDuringPeriodValueRestrictedStockPerformanceStockUnitsAndRestrictedStockUnits`	$57.00K	USD	1 Quarter
ADTRAN Stock options exercised	`StockIssuedDuringPeriodValueStockOptionsExercised`	$219.00K	USD	1 Quarter
ADTRAN Stock options exercised	`StockIssuedDuringPeriodValueStockOptionsExercised`	$219.00K	USD	1 Quarter
ADTRAN Stock options exercised	`StockIssuedDuringPeriodValueStockOptionsExercised`	$756.00K	USD	1 Quarter
ADTRAN Stock options exercised	`StockIssuedDuringPeriodValueStockOptionsExercised`	$756.00K	USD	1 Quarter
ADTRAN Stock options exercised	`StockIssuedDuringPeriodValueStockOptionsExercised`	$410.00K	USD	1 Quarter
ADTRAN Stock options exercised	`StockIssuedDuringPeriodValueStockOptionsExercised`	$410.00K	USD	1 Quarter
ADTRAN Stock options exercised	`StockIssuedDuringPeriodValueStockOptionsExercised`	$270.00K	USD	1 Quarter
ADTRAN Stock options exercised	`StockIssuedDuringPeriodValueStockOptionsExercised`	$270.00K	USD	1 Quarter
ADTRAN Stock options exercised, Shares	`StockIssuedDuringPeriodSharesStockOptionsExercised`	216,000.00	shares	3 Qtrs
ADTRAN Stock options exercised, Shares	`StockIssuedDuringPeriodSharesStockOptionsExercised`	216,000.00	shares	3 Qtrs
ADTRAN Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.96M	USD	1 Quarter
ADTRAN Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.96M	USD	1 Quarter
ADTRAN Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.84M	USD	1 Quarter
ADTRAN Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.84M	USD	1 Quarter
ADTRAN Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.62M	USD	1 Quarter
ADTRAN Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$3.62M	USD	1 Quarter
ADTRAN Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$2.06M	USD	1 Quarter
ADTRAN Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$2.06M	USD	1 Quarter
ADTRAN Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$2.68M	USD	1 Quarter
ADTRAN Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$2.68M	USD	1 Quarter
ADTRAN Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$2.85M	USD	1 Quarter
ADTRAN Stock-based compensation expense	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$2.85M	USD	1 Quarter
Purchase of capped calls related to the convertible senior notes	`AdjustmentsToAdditionalPaidInCapitalOptionIndexedToIssuersEquity`	$-17.65M	USD	1 Quarter
Purchase of capped calls related to the convertible senior notes	`AdjustmentsToAdditionalPaidInCapitalOptionIndexedToIssuersEquity`	$-17.65M	USD	1 Quarter
Redemption of redeemable non-controlling interest	`RedeemableNonControllingInterestEquityRedemptionValues`	$1.00K	USD	1 Quarter
Redemption of redeemable non-controlling interest	`RedeemableNonControllingInterestEquityRedemptionValues`	$1.00K	USD	1 Quarter
Redemption of redeemable non-controlling interest	`RedeemableNonControllingInterestEquityRedemptionValues`	$4.00K	USD	1 Quarter
Redemption of redeemable non-controlling interest	`RedeemableNonControllingInterestEquityRedemptionValues`	$4.00K	USD	1 Quarter
Redemption of redeemable non-controlling interest	`RedeemableNonControllingInterestEquityRedemptionValues`	$2.98M	USD	1 Quarter
Redemption of redeemable non-controlling interest	`RedeemableNonControllingInterestEquityRedemptionValues`	$2.98M	USD	1 Quarter
Redemption of redeemable non-controlling interest	`RedeemableNonControllingInterestEquityRedemptionValues`	$-3.00K	USD	1 Quarter
Redemption of redeemable non-controlling interest	`RedeemableNonControllingInterestEquityRedemptionValues`	$-3.00K	USD	1 Quarter
Redemption of redeemable non-controlling interest	`RedeemableNonControllingInterestEquityRedemptionValues`	$1.49M	USD	1 Quarter
Redemption of redeemable non-controlling interest	`RedeemableNonControllingInterestEquityRedemptionValues`	$1.49M	USD	1 Quarter
Redemption of redeemable non-controlling interest	`RedeemableNonControllingInterestEquityRedemptionValues`	$519.00K	USD	1 Quarter
Redemption of redeemable non-controlling interest	`RedeemableNonControllingInterestEquityRedemptionValues`	$519.00K	USD	1 Quarter
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$605.26M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$605.26M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$260.85M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$260.85M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$213.63M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$213.63M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$205.58M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$205.58M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$126.95M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$126.95M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$138.89M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$138.89M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$169.61M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$169.61M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$141.58M	USD	Point-in-time
Ending Balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$141.58M	USD	Point-in-time
Ending Balance, Shares	`CommonStockSharesIssued`	79.23M	shares	Point-in-time
Ending Balance, Shares	`CommonStockSharesIssued`	79.23M	shares	Point-in-time
Ending Balance, Shares	`CommonStockSharesIssued`	79.48M	shares	Point-in-time
Ending Balance, Shares	`CommonStockSharesIssued`	79.48M	shares	Point-in-time
Ending Balance, Shares	`CommonStockSharesIssued`	80.09M	shares	Point-in-time
Ending Balance, Shares	`CommonStockSharesIssued`	80.09M	shares	Point-in-time

Comprehensive Income 56 line items

Line Item	Tag	Value	Unit	Period
Net loss	`ProfitLoss`	$-30.97M	USD	1 Quarter
Net loss	`ProfitLoss`	$-30.97M	USD	1 Quarter
Net loss	`ProfitLoss`	$-406.36M	USD	3 Qtrs
Net loss	`ProfitLoss`	$-406.36M	USD	3 Qtrs
Net loss	`ProfitLoss`	$-7.76M	USD	1 Quarter
Net loss	`ProfitLoss`	$-7.76M	USD	1 Quarter
Net loss	`ProfitLoss`	$-34.96M	USD	3 Qtrs
Net loss	`ProfitLoss`	$-34.96M	USD	3 Qtrs
Defined benefit plan adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-109.00K	USD	1 Quarter
Defined benefit plan adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-109.00K	USD	1 Quarter
Defined benefit plan adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-42.00K	USD	3 Qtrs
Defined benefit plan adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-42.00K	USD	3 Qtrs
Defined benefit plan adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$6.00K	USD	1 Quarter
Defined benefit plan adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$6.00K	USD	1 Quarter
Defined benefit plan adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-393.00K	USD	3 Qtrs
Defined benefit plan adjustments	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-393.00K	USD	3 Qtrs
Foreign currency translation (loss) gain	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$18.80M	USD	1 Quarter
Foreign currency translation (loss) gain	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$18.80M	USD	1 Quarter
Foreign currency translation (loss) gain	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-411.00K	USD	3 Qtrs
Foreign currency translation (loss) gain	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-411.00K	USD	3 Qtrs
Foreign currency translation (loss) gain	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-3.69M	USD	1 Quarter
Foreign currency translation (loss) gain	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-3.69M	USD	1 Quarter
Foreign currency translation (loss) gain	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$63.01M	USD	3 Qtrs
Foreign currency translation (loss) gain	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$63.01M	USD	3 Qtrs
Other Comprehensive (Loss) Income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$18.91M	USD	1 Quarter
Other Comprehensive (Loss) Income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$18.91M	USD	1 Quarter
Other Comprehensive (Loss) Income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-369.00K	USD	3 Qtrs
Other Comprehensive (Loss) Income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-369.00K	USD	3 Qtrs
Other Comprehensive (Loss) Income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-3.70M	USD	1 Quarter
Other Comprehensive (Loss) Income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-3.70M	USD	1 Quarter
Other Comprehensive (Loss) Income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$63.40M	USD	3 Qtrs
Other Comprehensive (Loss) Income, net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$63.40M	USD	3 Qtrs
Comprehensive (Loss) Income, net of tax	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-12.05M	USD	1 Quarter
Comprehensive (Loss) Income, net of tax	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-12.05M	USD	1 Quarter
Comprehensive (Loss) Income, net of tax	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-406.73M	USD	3 Qtrs
Comprehensive (Loss) Income, net of tax	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-406.73M	USD	3 Qtrs
Comprehensive (Loss) Income, net of tax	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-11.46M	USD	1 Quarter
Comprehensive (Loss) Income, net of tax	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-11.46M	USD	1 Quarter
Comprehensive (Loss) Income, net of tax	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$28.44M	USD	3 Qtrs
Comprehensive (Loss) Income, net of tax	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$28.44M	USD	3 Qtrs
Less: Comprehensive Income attributable to non-controlling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$2.38M	USD	1 Quarter
Less: Comprehensive Income attributable to non-controlling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$2.38M	USD	1 Quarter
Less: Comprehensive Income attributable to non-controlling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$7.42M	USD	3 Qtrs
Less: Comprehensive Income attributable to non-controlling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$7.42M	USD	3 Qtrs
Less: Comprehensive Income attributable to non-controlling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$2.50M	USD	1 Quarter
Less: Comprehensive Income attributable to non-controlling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$2.50M	USD	1 Quarter
Less: Comprehensive Income attributable to non-controlling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$7.10M	USD	3 Qtrs
Less: Comprehensive Income attributable to non-controlling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$7.10M	USD	3 Qtrs
Comprehensive (Loss) Income attributable to ADTRAN Holdings, Inc., net of tax	`ComprehensiveIncomeNetOfTax`	$-14.44M	USD	1 Quarter
Comprehensive (Loss) Income attributable to ADTRAN Holdings, Inc., net of tax	`ComprehensiveIncomeNetOfTax`	$-14.44M	USD	1 Quarter
Comprehensive (Loss) Income attributable to ADTRAN Holdings, Inc., net of tax	`ComprehensiveIncomeNetOfTax`	$-414.15M	USD	3 Qtrs
Comprehensive (Loss) Income attributable to ADTRAN Holdings, Inc., net of tax	`ComprehensiveIncomeNetOfTax`	$-414.15M	USD	3 Qtrs
Comprehensive (Loss) Income attributable to ADTRAN Holdings, Inc., net of tax	`ComprehensiveIncomeNetOfTax`	$-13.96M	USD	1 Quarter
Comprehensive (Loss) Income attributable to ADTRAN Holdings, Inc., net of tax	`ComprehensiveIncomeNetOfTax`	$-13.96M	USD	1 Quarter
Comprehensive (Loss) Income attributable to ADTRAN Holdings, Inc., net of tax	`ComprehensiveIncomeNetOfTax`	$21.34M	USD	3 Qtrs
Comprehensive (Loss) Income attributable to ADTRAN Holdings, Inc., net of tax	`ComprehensiveIncomeNetOfTax`	$21.34M	USD	3 Qtrs

Data is extracted from SEC EDGAR XBRL filings. Values shown are as reported in the filing.