10-Q Filing

INTERDIGITAL, INC. CIK: 1405495 Q1 2024

Filing Information

Form Type	10-Q
Accession Number	`0001405495-24-000072`
Period End Date	20240331
Filing Date	20240502
Fiscal Year	2024
Fiscal Period	Q1
XBRL Instance	idcc-20240331_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 160 Income Statement 72 Cash Flow Statement 128 Stockholders Equity 68 Comprehensive Income 20

Balance Sheet 160 line items

Line Item	Tag	Value	Unit	Period
Preferred stock, par value (in USD per share)	`PreferredStockParOrStatedValuePerShare`	$0.10	USD	Point-in-time
Preferred stock, par value (in USD per share)	`PreferredStockParOrStatedValuePerShare`	$0.10	USD	Point-in-time
Preferred stock, par value (in USD per share)	`PreferredStockParOrStatedValuePerShare`	$0.10	USD	Point-in-time
Preferred stock, par value (in USD per share)	`PreferredStockParOrStatedValuePerShare`	$0.10	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	14.40M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	14.40M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$430.62M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$430.62M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$437.08M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$437.08M	USD	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	14.40M	shares	Point-in-time
Preferred stock, shares authorized (in shares)	`PreferredStockSharesAuthorized`	14.40M	shares	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$440.24M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$440.24M	USD	Point-in-time
Short-term investments	`ShortTermInvestments`	$544.39M	USD	Point-in-time
Short-term investments	`ShortTermInvestments`	$544.39M	USD	Point-in-time
Short-term investments	`ShortTermInvestments`	$569.28M	USD	Point-in-time
Short-term investments	`ShortTermInvestments`	$569.28M	USD	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares issued (in shares)	`PreferredStockSharesIssued`	0.00	shares	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Preferred stock, shares outstanding (in shares)	`PreferredStockSharesOutstanding`	0.00	shares	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$145.63M	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$145.63M	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$117.29M	USD	Point-in-time
Accounts receivable	`AccountsReceivableNetCurrent`	$117.29M	USD	Point-in-time
Common stock, par value (in USD per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in USD per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$85.17M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$85.17M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$43.98M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$43.98M	USD	Point-in-time
Common stock, par value (in USD per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, par value (in USD per share)	`CommonStockParOrStatedValuePerShare`	$0.01	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Total current assets	`AssetsCurrent`	$1.17B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.17B	USD	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Common stock, shares authorized (in shares)	`CommonStockSharesAuthorized`	100.00M	shares	Point-in-time
Total current assets	`AssetsCurrent`	$1.22B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.22B	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$11.08M	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$11.08M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	69.51M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	69.51M	shares	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$11.57M	USD	Point-in-time
Property and equipment, net	`PropertyPlantAndEquipmentNet`	$11.57M	USD	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	69.64M	shares	Point-in-time
Common stock, shares issued (in shares)	`CommonStockSharesIssued`	69.64M	shares	Point-in-time
Patents, net	`FiniteLivedPatentsNet`	$313.00M	USD	Point-in-time
Patents, net	`FiniteLivedPatentsNet`	$313.00M	USD	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	25.58M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	25.58M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	25.43M	shares	Point-in-time
Common stock, shares outstanding (in shares)	`CommonStockSharesOutstanding`	25.43M	shares	Point-in-time
Patents, net	`FiniteLivedPatentsNet`	$307.13M	USD	Point-in-time
Patents, net	`FiniteLivedPatentsNet`	$307.13M	USD	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	$117.31M	USD	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	$117.31M	USD	Point-in-time
Treasury stock, shares of common held at cost (in shares)	`TreasuryStockCommonShares`	44.20M	shares	Point-in-time
Treasury stock, shares of common held at cost (in shares)	`TreasuryStockCommonShares`	44.20M	shares	Point-in-time
Treasury stock, shares of common held at cost (in shares)	`TreasuryStockCommonShares`	43.93M	shares	Point-in-time
Treasury stock, shares of common held at cost (in shares)	`TreasuryStockCommonShares`	43.93M	shares	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	$128.97M	USD	Point-in-time
Deferred tax assets	`DeferredIncomeTaxAssetsNet`	$128.97M	USD	Point-in-time
Other non-current assets, net	`OtherAssetsNoncurrent`	$149.66M	USD	Point-in-time
Other non-current assets, net	`OtherAssetsNoncurrent`	$149.66M	USD	Point-in-time
Other non-current assets, net	`OtherAssetsNoncurrent`	$156.06M	USD	Point-in-time
Other non-current assets, net	`OtherAssetsNoncurrent`	$156.06M	USD	Point-in-time
Total assets	`Assets`	$1.81B	USD	Point-in-time
Total assets	`Assets`	$1.81B	USD	Point-in-time
Total assets	`Assets`	$1.77B	USD	Point-in-time
Total assets	`Assets`	$1.77B	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$579.37M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$579.37M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$578.75M	USD	Point-in-time
Current portion of long-term debt	`LongTermDebtCurrent`	$578.75M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrentAndNoncurrent`	$12.73M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrentAndNoncurrent`	$12.73M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrentAndNoncurrent`	$7.85M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrentAndNoncurrent`	$7.85M	USD	Point-in-time
Accrued compensation and related expenses	`EmployeeRelatedLiabilitiesCurrent`	$32.66M	USD	Point-in-time
Accrued compensation and related expenses	`EmployeeRelatedLiabilitiesCurrent`	$32.66M	USD	Point-in-time
Accrued compensation and related expenses	`EmployeeRelatedLiabilitiesCurrent`	$23.44M	USD	Point-in-time
Accrued compensation and related expenses	`EmployeeRelatedLiabilitiesCurrent`	$23.44M	USD	Point-in-time
Deferred revenue	`ContractWithCustomerLiabilityCurrent`	$155.97M	USD	Point-in-time
Deferred revenue	`ContractWithCustomerLiabilityCurrent`	$155.97M	USD	Point-in-time
Deferred revenue	`ContractWithCustomerLiabilityCurrent`	$153.60M	USD	Point-in-time
Deferred revenue	`ContractWithCustomerLiabilityCurrent`	$153.60M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$9.45M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$9.45M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$10.23M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$10.23M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$10.15M	USD	Point-in-time
Dividends payable	`DividendsPayableCurrent`	$10.15M	USD	Point-in-time
Other accrued expenses	`AccruedLiabilitiesCurrent`	$98.04M	USD	Point-in-time
Other accrued expenses	`AccruedLiabilitiesCurrent`	$98.04M	USD	Point-in-time
Other accrued expenses	`AccruedLiabilitiesCurrent`	$122.17M	USD	Point-in-time
Other accrued expenses	`AccruedLiabilitiesCurrent`	$122.17M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$903.82M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$903.82M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$881.13M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$881.13M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$29.02M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$29.02M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$28.03M	USD	Point-in-time
Long-term debt	`LongTermDebtNoncurrent`	$28.03M	USD	Point-in-time
Long-term deferred revenue	`ContractWithCustomerLiabilityNoncurrent`	$193.96M	USD	Point-in-time
Long-term deferred revenue	`ContractWithCustomerLiabilityNoncurrent`	$193.96M	USD	Point-in-time
Long-term deferred revenue	`ContractWithCustomerLiabilityNoncurrent`	$223.87M	USD	Point-in-time
Long-term deferred revenue	`ContractWithCustomerLiabilityNoncurrent`	$223.87M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$56.93M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$56.93M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$55.25M	USD	Point-in-time
Other long-term liabilities	`OtherLiabilitiesNoncurrent`	$55.25M	USD	Point-in-time
Total liabilities	`Liabilities`	$1.19B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.19B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.18B	USD	Point-in-time
Total liabilities	`Liabilities`	$1.18B	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies	`CommitmentsAndContingencies`	-	USD	Point-in-time
Preferred Stock, $0.10 par value, 14,399 shares authorized, 0 shares issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred Stock, $0.10 par value, 14,399 shares authorized, 0 shares issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred Stock, $0.10 par value, 14,399 shares authorized, 0 shares issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Preferred Stock, $0.10 par value, 14,399 shares authorized, 0 shares issued and outstanding	`PreferredStockValue`	-	USD	Point-in-time
Common Stock, $0.01 par value, 100,000 shares authorized, 69,638 and 69,507 shares issued and 25,434 and 25,580 shares outstanding	`CommonStockValue`	$694.00K	USD	Point-in-time
Common Stock, $0.01 par value, 100,000 shares authorized, 69,638 and 69,507 shares issued and 25,434 and 25,580 shares outstanding	`CommonStockValue`	$694.00K	USD	Point-in-time
Common Stock, $0.01 par value, 100,000 shares authorized, 69,638 and 69,507 shares issued and 25,434 and 25,580 shares outstanding	`CommonStockValue`	$696.00K	USD	Point-in-time
Common Stock, $0.01 par value, 100,000 shares authorized, 69,638 and 69,507 shares issued and 25,434 and 25,580 shares outstanding	`CommonStockValue`	$696.00K	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$742.98M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$742.98M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$744.07M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapital`	$744.07M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.53B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.53B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.46B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.46B	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-647.00K	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-647.00K	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.14M	USD	Point-in-time
Accumulated other comprehensive loss	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-1.14M	USD	Point-in-time
Treasury stock, 44,204 and 43,927 shares of common stock held at cost	`TreasuryStockCommonValue`	$1.65B	USD	Point-in-time
Treasury stock, 44,204 and 43,927 shares of common stock held at cost	`TreasuryStockCommonValue`	$1.65B	USD	Point-in-time
Treasury stock, 44,204 and 43,927 shares of common stock held at cost	`TreasuryStockCommonValue`	$1.62B	USD	Point-in-time
Treasury stock, 44,204 and 43,927 shares of common stock held at cost	`TreasuryStockCommonValue`	$1.62B	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$624.29M	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$624.29M	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$581.55M	USD	Point-in-time
Total shareholders' equity	`StockholdersEquity`	$581.55M	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$1.77B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$1.77B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$1.81B	USD	Point-in-time
Total liabilities and shareholders' equity	`LiabilitiesAndStockholdersEquity`	$1.81B	USD	Point-in-time

Income Statement 72 line items

Line Item	Tag	Value	Unit	Period
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$263.54M	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$263.54M	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$202.37M	USD	1 Quarter
Revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$202.37M	USD	1 Quarter
Research and portfolio development	`ResearchAndPortfolioDevelopmentExpense`	$49.38M	USD	1 Quarter
Research and portfolio development	`ResearchAndPortfolioDevelopmentExpense`	$49.38M	USD	1 Quarter
Research and portfolio development	`ResearchAndPortfolioDevelopmentExpense`	$49.43M	USD	1 Quarter
Research and portfolio development	`ResearchAndPortfolioDevelopmentExpense`	$49.43M	USD	1 Quarter
Licensing	`LicensingCosts`	$96.59M	USD	1 Quarter
Licensing	`LicensingCosts`	$96.59M	USD	1 Quarter
Licensing	`LicensingCosts`	$21.37M	USD	1 Quarter
Licensing	`LicensingCosts`	$21.37M	USD	1 Quarter
General and administrative	`GeneralAndAdministrativeExpense`	$12.31M	USD	1 Quarter
General and administrative	`GeneralAndAdministrativeExpense`	$12.31M	USD	1 Quarter
General and administrative	`GeneralAndAdministrativeExpense`	$13.84M	USD	1 Quarter
General and administrative	`GeneralAndAdministrativeExpense`	$13.84M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$83.11M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$83.11M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$159.80M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$159.80M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$119.26M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$119.26M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$103.74M	USD	1 Quarter
Income from operations	`OperatingIncomeLoss`	$103.74M	USD	1 Quarter
Interest expense	`InterestExpense`	$11.92M	USD	1 Quarter
Interest expense	`InterestExpense`	$11.92M	USD	1 Quarter
Interest expense	`InterestExpense`	$12.09M	USD	1 Quarter
Interest expense	`InterestExpense`	$12.09M	USD	1 Quarter
Other income, net	`OtherNonoperatingIncomeExpense`	$9.25M	USD	1 Quarter
Other income, net	`OtherNonoperatingIncomeExpense`	$9.25M	USD	1 Quarter
Other income, net	`OtherNonoperatingIncomeExpense`	$13.19M	USD	1 Quarter
Other income, net	`OtherNonoperatingIncomeExpense`	$13.19M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$101.06M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$101.06M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$120.36M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$120.36M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$19.41M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$19.41M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$16.84M	USD	1 Quarter
Income tax provision	`IncomeTaxExpenseBenefit`	$16.84M	USD	1 Quarter
Net income	`ProfitLoss`	$81.65M	USD	1 Quarter
Net income	`ProfitLoss`	$81.65M	USD	1 Quarter
Net income	`ProfitLoss`	$103.52M	USD	1 Quarter
Net income	`ProfitLoss`	$103.52M	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.74M	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.74M	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$105.26M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$105.26M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$81.65M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$81.65M	USD	1 Quarter
Net income per common share Basic (in USD per share)	`EarningsPerShareBasic`	$3.66	USD	1 Quarter
Net income per common share Basic (in USD per share)	`EarningsPerShareBasic`	$3.66	USD	1 Quarter
Net income per common share Basic (in USD per share)	`EarningsPerShareBasic`	$3.20	USD	1 Quarter
Net income per common share Basic (in USD per share)	`EarningsPerShareBasic`	$3.20	USD	1 Quarter
Weighted average number of common shares outstanding Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	25.51M	shares	1 Quarter
Weighted average number of common shares outstanding Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	25.51M	shares	1 Quarter
Weighted average number of common shares outstanding Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	28.78M	shares	1 Quarter
Weighted average number of common shares outstanding Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	28.78M	shares	1 Quarter
Net income per common share Diluted (in USD per share)	`EarningsPerShareDiluted`	$2.88	USD	1 Quarter
Net income per common share Diluted (in USD per share)	`EarningsPerShareDiluted`	$2.88	USD	1 Quarter
Net income per common share Diluted (in USD per share)	`EarningsPerShareDiluted`	$3.58	USD	1 Quarter
Net income per common share Diluted (in USD per share)	`EarningsPerShareDiluted`	$3.58	USD	1 Quarter
Weighted average number of common shares outstanding Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.34M	shares	1 Quarter
Weighted average number of common shares outstanding Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	28.34M	shares	1 Quarter
Weighted average number of common shares outstanding Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	29.37M	shares	1 Quarter
Weighted average number of common shares outstanding Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	29.37M	shares	1 Quarter
Cash dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Cash dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Cash dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.35	USD	1 Quarter
Cash dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.35	USD	1 Quarter

Cash Flow Statement 128 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$81.65M	USD	1 Quarter
Net income	`ProfitLoss`	$81.65M	USD	1 Quarter
Net income	`ProfitLoss`	$103.52M	USD	1 Quarter
Net income	`ProfitLoss`	$103.52M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$17.24M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$17.24M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$19.53M	USD	1 Quarter
Depreciation and amortization	`DepreciationDepletionAndAmortization`	$19.53M	USD	1 Quarter
Non-cash interest income, net	`NonCashInterestIncomeExpenseNet`	$-3.43M	USD	1 Quarter
Non-cash interest income, net	`NonCashInterestIncomeExpenseNet`	$-3.43M	USD	1 Quarter
Non-cash interest income, net	`NonCashInterestIncomeExpenseNet`	$-3.66M	USD	1 Quarter
Non-cash interest income, net	`NonCashInterestIncomeExpenseNet`	$-3.66M	USD	1 Quarter
Non-cash change in investments	`NonCashChangeInInvestments`	$-158.00K	USD	1 Quarter
Non-cash change in investments	`NonCashChangeInInvestments`	$-158.00K	USD	1 Quarter
Non-cash change in investments	`NonCashChangeInInvestments`	$1.25M	USD	1 Quarter
Non-cash change in investments	`NonCashChangeInInvestments`	$1.25M	USD	1 Quarter
Change in deferred revenue	`IncreaseDecreaseInDeferredRevenue`	$-27.54M	USD	1 Quarter
Change in deferred revenue	`IncreaseDecreaseInDeferredRevenue`	$-27.54M	USD	1 Quarter
Change in deferred revenue	`IncreaseDecreaseInDeferredRevenue`	$-42.77M	USD	1 Quarter
Change in deferred revenue	`IncreaseDecreaseInDeferredRevenue`	$-42.77M	USD	1 Quarter
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-11.79M	USD	1 Quarter
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-11.79M	USD	1 Quarter
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-12.47M	USD	1 Quarter
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-12.47M	USD	1 Quarter
Share-based compensation	`ShareBasedCompensation`	$9.39M	USD	1 Quarter
Share-based compensation	`ShareBasedCompensation`	$9.39M	USD	1 Quarter
Share-based compensation	`ShareBasedCompensation`	$7.79M	USD	1 Quarter
Share-based compensation	`ShareBasedCompensation`	$7.79M	USD	1 Quarter
Other	`OtherOperatingActivitiesCashFlowStatement`	$2.57M	USD	1 Quarter
Other	`OtherOperatingActivitiesCashFlowStatement`	$2.57M	USD	1 Quarter
Other	`OtherOperatingActivitiesCashFlowStatement`	-	USD	1 Quarter
Other	`OtherOperatingActivitiesCashFlowStatement`	-	USD	1 Quarter
Receivables	`IncreaseDecreaseInReceivables`	$28.34M	USD	1 Quarter
Receivables	`IncreaseDecreaseInReceivables`	$28.34M	USD	1 Quarter
Receivables	`IncreaseDecreaseInReceivables`	$90.86M	USD	1 Quarter
Receivables	`IncreaseDecreaseInReceivables`	$90.86M	USD	1 Quarter
Deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$27.58M	USD	1 Quarter
Deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$27.58M	USD	1 Quarter
Deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$31.09M	USD	1 Quarter
Deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$31.09M	USD	1 Quarter
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-2.81M	USD	1 Quarter
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-2.81M	USD	1 Quarter
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$3.52M	USD	1 Quarter
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$3.52M	USD	1 Quarter
Accrued compensation and other expenses	`IncreaseDecreaseInOtherAccruedLiabilities`	$13.05M	USD	1 Quarter
Accrued compensation and other expenses	`IncreaseDecreaseInOtherAccruedLiabilities`	$13.05M	USD	1 Quarter
Accrued compensation and other expenses	`IncreaseDecreaseInOtherAccruedLiabilities`	$-2.61M	USD	1 Quarter
Accrued compensation and other expenses	`IncreaseDecreaseInOtherAccruedLiabilities`	$-2.61M	USD	1 Quarter
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-27.85M	USD	1 Quarter
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-27.85M	USD	1 Quarter
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$50.77M	USD	1 Quarter
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$50.77M	USD	1 Quarter
Purchases of short-term investments	`PaymentsToAcquireShortTermInvestments`	$167.09M	USD	1 Quarter
Purchases of short-term investments	`PaymentsToAcquireShortTermInvestments`	$167.09M	USD	1 Quarter
Purchases of short-term investments	`PaymentsToAcquireShortTermInvestments`	$309.39M	USD	1 Quarter
Purchases of short-term investments	`PaymentsToAcquireShortTermInvestments`	$309.39M	USD	1 Quarter
Sales of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$191.70M	USD	1 Quarter
Sales of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$191.70M	USD	1 Quarter
Sales of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$303.41M	USD	1 Quarter
Sales of short-term investments	`ProceedsFromSaleOfShortTermInvestments`	$303.41M	USD	1 Quarter
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.21M	USD	1 Quarter
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$1.21M	USD	1 Quarter
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$444.00K	USD	1 Quarter
Purchases of property and equipment	`PaymentsToAcquirePropertyPlantAndEquipment`	$444.00K	USD	1 Quarter
Capitalized patent costs	`CapitalizedPatentCosts`	$8.97M	USD	1 Quarter
Capitalized patent costs	`CapitalizedPatentCosts`	$8.97M	USD	1 Quarter
Capitalized patent costs	`CapitalizedPatentCosts`	$7.27M	USD	1 Quarter
Capitalized patent costs	`CapitalizedPatentCosts`	$7.27M	USD	1 Quarter
Long-term investments	`PaymentsForProceedsFromLongtermInvestments`	-	USD	1 Quarter
Long-term investments	`PaymentsForProceedsFromLongtermInvestments`	-	USD	1 Quarter
Long-term investments	`PaymentsForProceedsFromLongtermInvestments`	$-1.58M	USD	1 Quarter
Long-term investments	`PaymentsForProceedsFromLongtermInvestments`	$-1.58M	USD	1 Quarter
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-14.46M	USD	1 Quarter
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-14.46M	USD	1 Quarter
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$16.77M	USD	1 Quarter
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$16.77M	USD	1 Quarter
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$1.59M	USD	1 Quarter
Payments on long-term debt	`RepaymentsOfLongTermDebt`	$1.59M	USD	1 Quarter
Payments on long-term debt	`RepaymentsOfLongTermDebt`	-	USD	1 Quarter
Payments on long-term debt	`RepaymentsOfLongTermDebt`	-	USD	1 Quarter
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$100.00K	USD	1 Quarter
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	$100.00K	USD	1 Quarter
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	1 Quarter
Payments of debt issuance costs	`PaymentsOfDebtIssuanceCosts`	-	USD	1 Quarter
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$28.87M	USD	1 Quarter
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$28.87M	USD	1 Quarter
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$203.38M	USD	1 Quarter
Repurchase of common stock	`PaymentsForRepurchaseOfCommonStock`	$203.38M	USD	1 Quarter
Net proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$687.00K	USD	1 Quarter
Net proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	$687.00K	USD	1 Quarter
Net proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	-	USD	1 Quarter
Net proceeds from exercise of stock options	`ProceedsFromStockOptionsExercised`	-	USD	1 Quarter
Non-controlling interest contribution	`ProceedsFromMinorityShareholders`	$1.75M	USD	1 Quarter
Non-controlling interest contribution	`ProceedsFromMinorityShareholders`	$1.75M	USD	1 Quarter
Non-controlling interest contribution	`ProceedsFromMinorityShareholders`	-	USD	1 Quarter
Non-controlling interest contribution	`ProceedsFromMinorityShareholders`	-	USD	1 Quarter
Taxes withheld upon restricted stock unit vestings	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$8.63M	USD	1 Quarter
Taxes withheld upon restricted stock unit vestings	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$8.63M	USD	1 Quarter
Taxes withheld upon restricted stock unit vestings	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$6.71M	USD	1 Quarter
Taxes withheld upon restricted stock unit vestings	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$6.71M	USD	1 Quarter
Dividends paid	`PaymentsOfDividends`	$10.23M	USD	1 Quarter
Dividends paid	`PaymentsOfDividends`	$10.23M	USD	1 Quarter
Dividends paid	`PaymentsOfDividends`	$10.38M	USD	1 Quarter
Dividends paid	`PaymentsOfDividends`	$10.38M	USD	1 Quarter
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-49.32M	USD	1 Quarter
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-49.32M	USD	1 Quarter
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-218.14M	USD	1 Quarter
Net cash used in financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-218.14M	USD	1 Quarter
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-260.45M	USD	1 Quarter
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-260.45M	USD	1 Quarter
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$18.23M	USD	1 Quarter
Net increase (decrease) in cash, cash equivalents and restricted cash	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$18.23M	USD	1 Quarter
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$461.19M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$461.19M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$442.96M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$442.96M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$703.16M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$703.16M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$442.71M	USD	Point-in-time
Cash, cash equivalents and restricted cash, beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$442.71M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$461.19M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$461.19M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$442.96M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$442.96M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$703.16M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$703.16M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$442.71M	USD	Point-in-time
Cash, cash equivalents and restricted cash, end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$442.71M	USD	Point-in-time

Stockholders Equity 68 line items

Line Item	Tag	Value	Unit	Period
Dividends declared (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Dividends declared (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.40	USD	1 Quarter
Dividends declared (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.35	USD	1 Quarter
Dividends declared (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.35	USD	1 Quarter
Beginning balance (in shares)	`CommonStockSharesOutstanding`	25.58M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	25.58M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	25.43M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	25.43M	shares	Point-in-time
Beginning balance (in shares)	`TreasuryStockCommonShares`	44.20M	shares	Point-in-time
Beginning balance (in shares)	`TreasuryStockCommonShares`	44.20M	shares	Point-in-time
Beginning balance (in shares)	`TreasuryStockCommonShares`	43.93M	shares	Point-in-time
Beginning balance (in shares)	`TreasuryStockCommonShares`	43.93M	shares	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$625.30M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$625.30M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$624.29M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$624.29M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$730.51M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$730.51M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$581.55M	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$581.55M	USD	Point-in-time
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$105.26M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$105.26M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$81.65M	USD	1 Quarter
Net income attributable to InterDigital, Inc.	`NetIncomeLoss`	$81.65M	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.74M	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$-1.74M	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Net loss attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Noncontrolling interest contributions	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$1.75M	USD	1 Quarter
Noncontrolling interest contributions	`NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance`	$1.75M	USD	1 Quarter
Net change in unrealized loss on short-term investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-495.00K	USD	1 Quarter
Net change in unrealized loss on short-term investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-495.00K	USD	1 Quarter
Net change in unrealized loss on short-term investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$579.00K	USD	1 Quarter
Net change in unrealized loss on short-term investments	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$579.00K	USD	1 Quarter
Dividends declared	`Dividends`	$10.15M	USD	1 Quarter
Dividends declared	`Dividends`	$10.15M	USD	1 Quarter
Dividends declared	`Dividends`	$9.45M	USD	1 Quarter
Dividends declared	`Dividends`	$9.45M	USD	1 Quarter
Exercise of common stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$687.00K	USD	1 Quarter
Exercise of common stock options	`StockIssuedDuringPeriodValueStockOptionsExercised`	$687.00K	USD	1 Quarter
Issuance of common stock, net	`StockIssuedDuringPeriodValueNewIssues`	$-6.71M	USD	1 Quarter
Issuance of common stock, net	`StockIssuedDuringPeriodValueNewIssues`	$-6.71M	USD	1 Quarter
Issuance of common stock, net	`StockIssuedDuringPeriodValueNewIssues`	$-8.63M	USD	1 Quarter
Issuance of common stock, net	`StockIssuedDuringPeriodValueNewIssues`	$-8.63M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$9.39M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$9.39M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$7.79M	USD	1 Quarter
Share-based compensation	`AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue`	$7.79M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$203.38M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$203.38M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$29.02M	USD	1 Quarter
Repurchase of common stock	`TreasuryStockValueAcquiredCostMethod`	$29.02M	USD	1 Quarter
Ending balance (in shares)	`CommonStockSharesOutstanding`	25.58M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	25.58M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	25.43M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	25.43M	shares	Point-in-time
Ending balance (in shares)	`TreasuryStockCommonShares`	44.20M	shares	Point-in-time
Ending balance (in shares)	`TreasuryStockCommonShares`	44.20M	shares	Point-in-time
Ending balance (in shares)	`TreasuryStockCommonShares`	43.93M	shares	Point-in-time
Ending balance (in shares)	`TreasuryStockCommonShares`	43.93M	shares	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$625.30M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$625.30M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$624.29M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$624.29M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$730.51M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$730.51M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$581.55M	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$581.55M	USD	Point-in-time

Comprehensive Income 20 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$81.65M	USD	1 Quarter
Net income	`ProfitLoss`	$81.65M	USD	1 Quarter
Net income	`ProfitLoss`	$103.52M	USD	1 Quarter
Net income	`ProfitLoss`	$103.52M	USD	1 Quarter
Unrealized (loss) gain on investments, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-495.00K	USD	1 Quarter
Unrealized (loss) gain on investments, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$-495.00K	USD	1 Quarter
Unrealized (loss) gain on investments, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$579.00K	USD	1 Quarter
Unrealized (loss) gain on investments, net of tax	`OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax`	$579.00K	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$81.16M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$81.16M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$104.10M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$104.10M	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-1.74M	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-1.74M	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Comprehensive loss attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	-	USD	1 Quarter
Total comprehensive income attributable to InterDigital, Inc.	`ComprehensiveIncomeNetOfTax`	$105.84M	USD	1 Quarter
Total comprehensive income attributable to InterDigital, Inc.	`ComprehensiveIncomeNetOfTax`	$105.84M	USD	1 Quarter
Total comprehensive income attributable to InterDigital, Inc.	`ComprehensiveIncomeNetOfTax`	$81.16M	USD	1 Quarter
Total comprehensive income attributable to InterDigital, Inc.	`ComprehensiveIncomeNetOfTax`	$81.16M	USD	1 Quarter

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