10-Q Filing

SOUTHWEST GAS HOLDINGS, INC. CIK: 1692115 Q2 2025

Filing Information

Form Type	10-Q
Accession Number	`0001692115-25-000141`
Period End Date	20250630
Filing Date	20250806
Fiscal Year	2025
Fiscal Period	Q2
XBRL Instance	swx-20250630_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 198 Income Statement 176 Cash Flow Statement 168 Stockholders Equity 84 Comprehensive Income 104

Balance Sheet 198 line items

Line Item	Tag	Value	Unit	Period
Common stock, par (in USD per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, par (in USD per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, par (in USD per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, par (in USD per share)	`CommonStockParOrStatedValuePerShare`	$1.00	USD	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$10.84B	USD	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$10.84B	USD	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	71.78M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	71.78M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	71.98M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	71.98M	shares	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$11.13B	USD	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$11.13B	USD	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	71.78M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	71.78M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	71.98M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	71.98M	shares	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.98B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.98B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.91B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.91B	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$178.65M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$178.65M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$201.17M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$201.17M	USD	Point-in-time
Net regulated operations plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$8.35B	USD	Point-in-time
Net regulated operations plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$8.35B	USD	Point-in-time
Net regulated operations plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$8.11B	USD	Point-in-time
Net regulated operations plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$8.11B	USD	Point-in-time
Other property and investments, net	`OtherPropertyAndInvestments`	$1.19B	USD	Point-in-time
Other property and investments, net	`OtherPropertyAndInvestments`	$1.19B	USD	Point-in-time
Other property and investments, net	`OtherPropertyAndInvestments`	$1.17B	USD	Point-in-time
Other property and investments, net	`OtherPropertyAndInvestments`	$1.17B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$363.79M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$363.79M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$355.63M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$355.63M	USD	Point-in-time
Accounts receivable, net of allowances	`AccountsReceivableNetCurrent`	$722.62M	USD	Point-in-time
Accounts receivable, net of allowances	`AccountsReceivableNetCurrent`	$722.62M	USD	Point-in-time
Accounts receivable, net of allowances	`AccountsReceivableNetCurrent`	$705.31M	USD	Point-in-time
Accounts receivable, net of allowances	`AccountsReceivableNetCurrent`	$705.31M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$96.60M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$96.60M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$50.50M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$50.50M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$6.21M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$6.21M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$2.41M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$2.41M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	-	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	-	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$13.94M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$13.94M	USD	Point-in-time
Materials, supplies, and gas inventories	`MaterialsSuppliesAndOther`	$90.78M	USD	Point-in-time
Materials, supplies, and gas inventories	`MaterialsSuppliesAndOther`	$90.78M	USD	Point-in-time
Materials, supplies, and gas inventories	`MaterialsSuppliesAndOther`	$93.75M	USD	Point-in-time
Materials, supplies, and gas inventories	`MaterialsSuppliesAndOther`	$93.75M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$216.65M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$216.65M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$171.36M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$171.36M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.46B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.46B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.43B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.43B	USD	Point-in-time
Goodwill	`Goodwill`	$786.50M	USD	Point-in-time
Goodwill	`Goodwill`	$786.50M	USD	Point-in-time
Goodwill	`Goodwill`	$781.20M	USD	Point-in-time
Goodwill	`Goodwill`	$781.20M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$3.18M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$3.18M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	-	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	-	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$474.75M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$474.75M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$483.81M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$483.81M	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.26B	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.26B	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.27B	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.27B	USD	Point-in-time
Total assets	`Assets`	$12.02B	USD	Point-in-time
Total assets	`Assets`	$12.02B	USD	Point-in-time
Total assets	`Assets`	$11.99B	USD	Point-in-time
Total assets	`Assets`	$11.99B	USD	Point-in-time
Total assets	`Assets`	$12.21B	USD	Point-in-time
Total assets	`Assets`	$12.21B	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 71,978,168 and 71,782,756 shares)	`CommonStockValue`	$73.61M	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 71,978,168 and 71,782,756 shares)	`CommonStockValue`	$73.61M	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 71,978,168 and 71,782,756 shares)	`CommonStockValue`	$73.41M	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 71,978,168 and 71,782,756 shares)	`CommonStockValue`	$73.41M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.87B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.87B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.72B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.72B	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-49.22M	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-49.22M	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-41.35M	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-41.35M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$758.65M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$758.65M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$769.72M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$769.72M	USD	Point-in-time
Total equity attributable to Southwest Gas Holdings, Inc. stockholders	`StockholdersEquity`	$3.50B	USD	Point-in-time
Total equity attributable to Southwest Gas Holdings, Inc. stockholders	`StockholdersEquity`	$3.50B	USD	Point-in-time
Total equity attributable to Southwest Gas Holdings, Inc. stockholders	`StockholdersEquity`	$3.67B	USD	Point-in-time
Total equity attributable to Southwest Gas Holdings, Inc. stockholders	`StockholdersEquity`	$3.67B	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$441.15M	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$441.15M	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$177.24M	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$177.24M	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.31B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.31B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.12B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.12B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.68B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.68B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.75B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.75B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.36B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.36B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.67B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.67B	USD	Point-in-time
Redeemable noncontrolling interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$7.70M	USD	Point-in-time
Redeemable noncontrolling interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$7.70M	USD	Point-in-time
Redeemable noncontrolling interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$7.66M	USD	Point-in-time
Redeemable noncontrolling interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$7.66M	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$4.40B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$4.40B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$4.35B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$4.35B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$8.04B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$8.04B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$8.52B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$8.52B	USD	Point-in-time
Less: current maturities	`LongTermDebtCurrent`	$28.10M	USD	Point-in-time
Less: current maturities	`LongTermDebtCurrent`	$28.10M	USD	Point-in-time
Less: current maturities	`LongTermDebtCurrent`	$30.02M	USD	Point-in-time
Less: current maturities	`LongTermDebtCurrent`	$30.02M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$680.00M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$680.00M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$260.00M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$260.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$254.57M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$254.57M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$331.81M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$331.81M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$63.88M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$63.88M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$67.12M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$67.12M	USD	Point-in-time
Income taxes payable, net	`IncomeTaxesPayableNet`	$3.90M	USD	Point-in-time
Income taxes payable, net	`IncomeTaxesPayableNet`	$3.90M	USD	Point-in-time
Income taxes payable, net	`IncomeTaxesPayableNet`	$1.48M	USD	Point-in-time
Income taxes payable, net	`IncomeTaxesPayableNet`	$1.48M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$50.73M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$50.73M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$59.35M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$59.35M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$40.16M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$40.16M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$40.41M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$40.41M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasPurchasesCurrent`	$242.26M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasPurchasesCurrent`	$242.26M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasPurchasesCurrent`	$349.03M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasPurchasesCurrent`	$349.03M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$360.91M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$360.91M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$382.90M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$382.90M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.41B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.41B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.83B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.83B	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$927.49M	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$927.49M	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$808.78M	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$808.78M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$486.00M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$486.00M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$472.00M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$472.00M	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$865.58M	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$865.58M	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$873.53M	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$873.53M	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.28B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.28B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.15B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.15B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$12.21B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$12.21B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$12.02B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$12.02B	USD	Point-in-time

Income Statement 176 line items

Line Item	Tag	Value	Unit	Period
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$1.14B	USD	2 Qtrs
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$1.14B	USD	2 Qtrs
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$396.32M	USD	1 Quarter
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$396.32M	USD	1 Quarter
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$1.56B	USD	2 Qtrs
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$1.56B	USD	2 Qtrs
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$510.09M	USD	1 Quarter
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$510.09M	USD	1 Quarter
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$1.27B	USD	2 Qtrs
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$1.27B	USD	2 Qtrs
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$1.20B	USD	2 Qtrs
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$1.20B	USD	2 Qtrs
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$672.08M	USD	1 Quarter
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$672.08M	USD	1 Quarter
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$724.05M	USD	1 Quarter
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$724.05M	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$2.76B	USD	2 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$2.76B	USD	2 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$2.42B	USD	2 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$2.42B	USD	2 Qtrs
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.12B	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.12B	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.18B	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.18B	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$872.48M	USD	2 Qtrs
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$872.48M	USD	2 Qtrs
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$242.48M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$242.48M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$102.13M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$102.13M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$386.71M	USD	2 Qtrs
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$386.71M	USD	2 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$269.77M	USD	2 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$269.77M	USD	2 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$138.70M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$138.70M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$269.95M	USD	2 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$269.95M	USD	2 Qtrs
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$134.62M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$134.62M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$103.16M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$103.16M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$231.08M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$231.08M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$215.21M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$215.21M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$96.07M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$96.07M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$47.01M	USD	2 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$47.01M	USD	2 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$21.23M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$21.23M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$44.13M	USD	2 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$44.13M	USD	2 Qtrs
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$23.25M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$23.25M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.12B	USD	2 Qtrs
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.12B	USD	2 Qtrs
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$604.54M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$604.54M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$657.67M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$657.67M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.19B	USD	2 Qtrs
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.19B	USD	2 Qtrs
Total operating expenses	`CostsAndExpenses`	$1.02B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.02B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.10B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.10B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$2.52B	USD	2 Qtrs
Total operating expenses	`CostsAndExpenses`	$2.52B	USD	2 Qtrs
Total operating expenses	`CostsAndExpenses`	$2.12B	USD	2 Qtrs
Total operating expenses	`CostsAndExpenses`	$2.12B	USD	2 Qtrs
Operating income	`OperatingIncomeLoss`	$241.35M	USD	2 Qtrs
Operating income	`OperatingIncomeLoss`	$241.35M	USD	2 Qtrs
Operating income	`OperatingIncomeLoss`	$95.46M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$95.46M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$295.88M	USD	2 Qtrs
Operating income	`OperatingIncomeLoss`	$295.88M	USD	2 Qtrs
Operating income	`OperatingIncomeLoss`	$83.22M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$83.22M	USD	1 Quarter
Net interest deductions	`InterestExpenseNonoperating`	$73.77M	USD	1 Quarter
Net interest deductions	`InterestExpenseNonoperating`	$73.77M	USD	1 Quarter
Net interest deductions	`InterestExpenseNonoperating`	$143.89M	USD	2 Qtrs
Net interest deductions	`InterestExpenseNonoperating`	$143.89M	USD	2 Qtrs
Net interest deductions	`InterestExpenseNonoperating`	$71.61M	USD	1 Quarter
Net interest deductions	`InterestExpenseNonoperating`	$71.61M	USD	1 Quarter
Net interest deductions	`InterestExpenseNonoperating`	$145.37M	USD	2 Qtrs
Net interest deductions	`InterestExpenseNonoperating`	$145.37M	USD	2 Qtrs
Other income	`OtherNonoperatingIncomeExpense`	$27.14M	USD	2 Qtrs
Other income	`OtherNonoperatingIncomeExpense`	$27.14M	USD	2 Qtrs
Other income	`OtherNonoperatingIncomeExpense`	$33.06M	USD	2 Qtrs
Other income	`OtherNonoperatingIncomeExpense`	$33.06M	USD	2 Qtrs
Other income	`OtherNonoperatingIncomeExpense`	$18.42M	USD	1 Quarter
Other income	`OtherNonoperatingIncomeExpense`	$18.42M	USD	1 Quarter
Other income	`OtherNonoperatingIncomeExpense`	$14.94M	USD	1 Quarter
Other income	`OtherNonoperatingIncomeExpense`	$14.94M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-116.76M	USD	2 Qtrs
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-116.76M	USD	2 Qtrs
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-58.83M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-58.83M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-112.31M	USD	2 Qtrs
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-112.31M	USD	2 Qtrs
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-53.19M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-53.19M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$24.39M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$24.39M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$179.12M	USD	2 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$179.12M	USD	2 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$129.03M	USD	2 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$129.03M	USD	2 Qtrs
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$42.27M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$42.27M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$21.26M	USD	2 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$21.26M	USD	2 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$80.26M	USD	2 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$80.26M	USD	2 Qtrs
Income tax expense	`IncomeTaxExpenseBenefit`	$4.18M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$4.18M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$52.59M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$52.59M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$20.21M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$20.21M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$107.77M	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$107.77M	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$-10.33M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$-10.33M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$98.86M	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$98.86M	USD	2 Qtrs
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.70M	USD	2 Qtrs
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.70M	USD	2 Qtrs
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.88M	USD	1 Quarter
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.88M	USD	1 Quarter
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-2.13M	USD	2 Qtrs
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-2.13M	USD	2 Qtrs
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.55M	USD	1 Quarter
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.55M	USD	1 Quarter
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$106.07M	USD	2 Qtrs
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$106.07M	USD	2 Qtrs
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$18.33M	USD	1 Quarter
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$18.33M	USD	1 Quarter
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$100.99M	USD	2 Qtrs
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$100.99M	USD	2 Qtrs
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$-12.88M	USD	1 Quarter
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$-12.88M	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$0.26	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$0.26	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$1.40	USD	2 Qtrs
Basic (in USD per share)	`EarningsPerShareBasic`	$1.40	USD	2 Qtrs
Basic (in USD per share)	`EarningsPerShareBasic`	$1.48	USD	2 Qtrs
Basic (in USD per share)	`EarningsPerShareBasic`	$1.48	USD	2 Qtrs
Basic (in USD per share)	`EarningsPerShareBasic`	$-0.18	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$-0.18	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$1.47	USD	2 Qtrs
Diluted (in USD per share)	`EarningsPerShareDiluted`	$1.47	USD	2 Qtrs
Diluted (in USD per share)	`EarningsPerShareDiluted`	$-0.18	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$-0.18	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$1.40	USD	2 Qtrs
Diluted (in USD per share)	`EarningsPerShareDiluted`	$1.40	USD	2 Qtrs
Diluted (in USD per share)	`EarningsPerShareDiluted`	$0.25	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$0.25	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	71.84M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	71.84M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	72.09M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	72.09M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	72.05M	shares	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	72.05M	shares	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	71.78M	shares	2 Qtrs
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	71.78M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	71.95M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	71.95M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	72.02M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	72.02M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	72.19M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	72.19M	shares	2 Qtrs
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	72.09M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	72.09M	shares	1 Quarter

Cash Flow Statement 168 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`ProfitLoss`	$20.21M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$20.21M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$107.77M	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$107.77M	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$-10.33M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$-10.33M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$98.86M	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$98.86M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$103.16M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$103.16M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$231.08M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$231.08M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$215.21M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$215.21M	USD	2 Qtrs
Depreciation and amortization	`DepreciationAndAmortization`	$96.07M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$96.07M	USD	1 Quarter
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-94.03M	USD	2 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-94.03M	USD	2 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-37.54M	USD	2 Qtrs
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-37.54M	USD	2 Qtrs
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$2.19M	USD	2 Qtrs
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$2.19M	USD	2 Qtrs
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$2.00M	USD	2 Qtrs
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$2.00M	USD	2 Qtrs
Changes in undistributed stock compensation	`ShareBasedCompensation`	$11.00M	USD	2 Qtrs
Changes in undistributed stock compensation	`ShareBasedCompensation`	$11.00M	USD	2 Qtrs
Changes in undistributed stock compensation	`ShareBasedCompensation`	$6.79M	USD	2 Qtrs
Changes in undistributed stock compensation	`ShareBasedCompensation`	$6.79M	USD	2 Qtrs
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$2.91M	USD	2 Qtrs
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$2.91M	USD	2 Qtrs
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$3.67M	USD	2 Qtrs
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$3.67M	USD	2 Qtrs
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$-61.65M	USD	2 Qtrs
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$-61.65M	USD	2 Qtrs
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$-17.08M	USD	2 Qtrs
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$-17.08M	USD	2 Qtrs
Accrued utility revenue	`IncreaseDecreaseInAccruedUtilityRevenue`	$-46.60M	USD	2 Qtrs
Accrued utility revenue	`IncreaseDecreaseInAccruedUtilityRevenue`	$-46.60M	USD	2 Qtrs
Accrued utility revenue	`IncreaseDecreaseInAccruedUtilityRevenue`	$-46.10M	USD	2 Qtrs
Accrued utility revenue	`IncreaseDecreaseInAccruedUtilityRevenue`	$-46.10M	USD	2 Qtrs
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$-634.43M	USD	2 Qtrs
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$-634.43M	USD	2 Qtrs
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$-120.71M	USD	2 Qtrs
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$-120.71M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-67.22M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-67.22M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-82.01M	USD	2 Qtrs
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-82.01M	USD	2 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$-25.78M	USD	2 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$-25.78M	USD	2 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$-585.00K	USD	2 Qtrs
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$-585.00K	USD	2 Qtrs
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$134.04M	USD	2 Qtrs
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$134.04M	USD	2 Qtrs
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$70.99M	USD	2 Qtrs
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$70.99M	USD	2 Qtrs
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$4.96M	USD	2 Qtrs
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$4.96M	USD	2 Qtrs
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$13.15M	USD	2 Qtrs
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$13.15M	USD	2 Qtrs
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-32.45M	USD	2 Qtrs
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-32.45M	USD	2 Qtrs
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-19.01M	USD	2 Qtrs
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-19.01M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$417.61M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$417.61M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$850.28M	USD	2 Qtrs
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$850.28M	USD	2 Qtrs
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$444.50M	USD	2 Qtrs
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$444.50M	USD	2 Qtrs
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$407.62M	USD	2 Qtrs
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$407.62M	USD	2 Qtrs
Proceeds from the sale of property	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$5.31M	USD	2 Qtrs
Proceeds from the sale of property	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$5.31M	USD	2 Qtrs
Proceeds from the sale of property	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$21.38M	USD	2 Qtrs
Proceeds from the sale of property	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$21.38M	USD	2 Qtrs
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$-4.94M	USD	2 Qtrs
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$-4.94M	USD	2 Qtrs
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$3.95M	USD	2 Qtrs
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$3.95M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-2.18M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-2.18M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-2.35M	USD	2 Qtrs
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-2.35M	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-396.01M	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-396.01M	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-425.89M	USD	2 Qtrs
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-425.89M	USD	2 Qtrs
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$4.51M	USD	2 Qtrs
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$4.51M	USD	2 Qtrs
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$4.80M	USD	2 Qtrs
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$4.80M	USD	2 Qtrs
Redemption of redeemable noncontrolling interest	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	-	USD	2 Qtrs
Redemption of redeemable noncontrolling interest	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	-	USD	2 Qtrs
Redemption of redeemable noncontrolling interest	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	$92.84M	USD	2 Qtrs
Redemption of redeemable noncontrolling interest	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	$92.84M	USD	2 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$89.14M	USD	2 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$89.14M	USD	2 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$88.83M	USD	2 Qtrs
Dividends paid	`PaymentsOfDividendsCommonStock`	$88.83M	USD	2 Qtrs
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$237.55M	USD	2 Qtrs
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$237.55M	USD	2 Qtrs
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$113.93M	USD	2 Qtrs
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$113.93M	USD	2 Qtrs
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$75.12M	USD	2 Qtrs
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$75.12M	USD	2 Qtrs
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$346.05M	USD	2 Qtrs
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$346.05M	USD	2 Qtrs
Change in short-term portion of credit facility	`ProceedsFromRepaymentsOfLinesOfCredit`	$-95.00M	USD	2 Qtrs
Change in short-term portion of credit facility	`ProceedsFromRepaymentsOfLinesOfCredit`	$-95.00M	USD	2 Qtrs
Change in short-term portion of credit facility	`ProceedsFromRepaymentsOfLinesOfCredit`	$32.50M	USD	2 Qtrs
Change in short-term portion of credit facility	`ProceedsFromRepaymentsOfLinesOfCredit`	$32.50M	USD	2 Qtrs
Repayment of short-term debt	`RepaymentsOfShortTermDebt`	-	USD	2 Qtrs
Repayment of short-term debt	`RepaymentsOfShortTermDebt`	-	USD	2 Qtrs
Repayment of short-term debt	`RepaymentsOfShortTermDebt`	$325.00M	USD	2 Qtrs
Repayment of short-term debt	`RepaymentsOfShortTermDebt`	$325.00M	USD	2 Qtrs
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.45M	USD	2 Qtrs
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.45M	USD	2 Qtrs
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.54M	USD	2 Qtrs
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.54M	USD	2 Qtrs
Proceeds from the sale of Centuri stock, net	`ProceedsFromSaleOfEquityInterestInConsolidatedSubsidiariesFinancingActivity`	$448.66M	USD	2 Qtrs
Proceeds from the sale of Centuri stock, net	`ProceedsFromSaleOfEquityInterestInConsolidatedSubsidiariesFinancingActivity`	$448.66M	USD	2 Qtrs
Proceeds from the sale of Centuri stock, net	`ProceedsFromSaleOfEquityInterestInConsolidatedSubsidiariesFinancingActivity`	-	USD	2 Qtrs
Proceeds from the sale of Centuri stock, net	`ProceedsFromSaleOfEquityInterestInConsolidatedSubsidiariesFinancingActivity`	-	USD	2 Qtrs
Proceeds from Centuri IPO, net	`ProceedsFromIssuanceInitialPublicOffering`	$330.34M	USD	2 Qtrs
Proceeds from Centuri IPO, net	`ProceedsFromIssuanceInitialPublicOffering`	$330.34M	USD	2 Qtrs
Proceeds from Centuri IPO, net	`ProceedsFromIssuanceInitialPublicOffering`	-	USD	2 Qtrs
Proceeds from Centuri IPO, net	`ProceedsFromIssuanceInitialPublicOffering`	-	USD	2 Qtrs
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-9.31M	USD	2 Qtrs
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-9.31M	USD	2 Qtrs
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.09M	USD	2 Qtrs
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-6.09M	USD	2 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-30.01M	USD	2 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-30.01M	USD	2 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$68.94M	USD	2 Qtrs
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$68.94M	USD	2 Qtrs
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$250.00K	USD	2 Qtrs
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$250.00K	USD	2 Qtrs
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-239.00K	USD	2 Qtrs
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-239.00K	USD	2 Qtrs
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$493.10M	USD	2 Qtrs
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$493.10M	USD	2 Qtrs
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-8.16M	USD	2 Qtrs
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-8.16M	USD	2 Qtrs
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$599.64M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$599.64M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$355.63M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$355.63M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$106.54M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$106.54M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$363.79M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$363.79M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$599.64M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$599.64M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$355.63M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$355.63M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$106.54M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$106.54M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$363.79M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$363.79M	USD	Point-in-time
Interest paid, net of amounts capitalized	`InterestPaidNet`	$139.37M	USD	2 Qtrs
Interest paid, net of amounts capitalized	`InterestPaidNet`	$139.37M	USD	2 Qtrs
Interest paid, net of amounts capitalized	`InterestPaidNet`	$137.87M	USD	2 Qtrs
Interest paid, net of amounts capitalized	`InterestPaidNet`	$137.87M	USD	2 Qtrs
Income taxes paid, net	`IncomeTaxesPaidNet`	$13.07M	USD	2 Qtrs
Income taxes paid, net	`IncomeTaxesPaidNet`	$13.07M	USD	2 Qtrs
Income taxes paid, net	`IncomeTaxesPaidNet`	$5.77M	USD	2 Qtrs
Income taxes paid, net	`IncomeTaxesPaidNet`	$5.77M	USD	2 Qtrs

Stockholders Equity 84 line items

Line Item	Tag	Value	Unit	Period
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.62	USD	1 Quarter
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.62	USD	1 Quarter
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.62	USD	1 Quarter
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.62	USD	1 Quarter
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.62	USD	1 Quarter
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.62	USD	1 Quarter
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.62	USD	1 Quarter
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.62	USD	1 Quarter
Beginning balance (in shares)	`CommonStockSharesOutstanding`	71.78M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	71.78M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	71.98M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	71.98M	shares	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.31B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.31B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.12B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.12B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.68B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.68B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.75B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.75B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.36B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.36B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.67B	USD	Point-in-time
Beginning balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.67B	USD	Point-in-time
Net income (loss)	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$18.33M	USD	1 Quarter
Net income (loss)	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$18.33M	USD	1 Quarter
Net income (loss)	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$113.87M	USD	1 Quarter
Net income (loss)	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$113.87M	USD	1 Quarter
Net income (loss)	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$-12.88M	USD	1 Quarter
Net income (loss)	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$-12.88M	USD	1 Quarter
Net income (loss)	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$87.74M	USD	1 Quarter
Net income (loss)	`NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest`	$87.74M	USD	1 Quarter
Common stock issuances	`StockIssuedDuringPeriodValueNewIssues`	$5.54M	USD	1 Quarter
Common stock issuances	`StockIssuedDuringPeriodValueNewIssues`	$5.54M	USD	1 Quarter
Common stock issuances	`StockIssuedDuringPeriodValueNewIssues`	$7.08M	USD	1 Quarter
Common stock issuances	`StockIssuedDuringPeriodValueNewIssues`	$7.08M	USD	1 Quarter
Common stock issuances	`StockIssuedDuringPeriodValueNewIssues`	$1.61M	USD	1 Quarter
Common stock issuances	`StockIssuedDuringPeriodValueNewIssues`	$1.61M	USD	1 Quarter
Common stock issuances	`StockIssuedDuringPeriodValueNewIssues`	$7.95M	USD	1 Quarter
Common stock issuances	`StockIssuedDuringPeriodValueNewIssues`	$7.95M	USD	1 Quarter
Dividends declared	`DividendsCommonStock`	$44.65M	USD	1 Quarter
Dividends declared	`DividendsCommonStock`	$44.65M	USD	1 Quarter
Dividends declared	`DividendsCommonStock`	$45.07M	USD	1 Quarter
Dividends declared	`DividendsCommonStock`	$45.07M	USD	1 Quarter
Dividends declared	`DividendsCommonStock`	$44.70M	USD	1 Quarter
Dividends declared	`DividendsCommonStock`	$44.70M	USD	1 Quarter
Dividends declared	`DividendsCommonStock`	$44.85M	USD	1 Quarter
Dividends declared	`DividendsCommonStock`	$44.85M	USD	1 Quarter
Centuri stock sales	`NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest`	$405.50M	USD	1 Quarter
Centuri stock sales	`NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest`	$405.50M	USD	1 Quarter
Promissory notes in association with redeemable noncontrolling interest	`AdjustmentsToAdditionalPaidInCapitalPromissoryNotesInAssociationWithRedeemableNoncontrollingInterest`	$4.19M	USD	1 Quarter
Promissory notes in association with redeemable noncontrolling interest	`AdjustmentsToAdditionalPaidInCapitalPromissoryNotesInAssociationWithRedeemableNoncontrollingInterest`	$4.19M	USD	1 Quarter
Foreign currency exchange translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent`	$104.00K	USD	1 Quarter
Foreign currency exchange translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent`	$104.00K	USD	1 Quarter
Foreign currency exchange translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent`	$6.71M	USD	1 Quarter
Foreign currency exchange translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent`	$6.71M	USD	1 Quarter
Foreign currency exchange translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent`	$-1.15M	USD	1 Quarter
Foreign currency exchange translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent`	$-1.15M	USD	1 Quarter
Foreign currency exchange translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent`	$-2.82M	USD	1 Quarter
Foreign currency exchange translation adjustment	`OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationAdjustmentBeforeTaxPortionAttributableToParent`	$-2.82M	USD	1 Quarter
Net actuarial gain arising during period, less amortization of unamortized benefit plan cost, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTaxOther`	$-268.00K	USD	1 Quarter
Net actuarial gain arising during period, less amortization of unamortized benefit plan cost, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTaxOther`	$-268.00K	USD	1 Quarter
Net actuarial gain arising during period, less amortization of unamortized benefit plan cost, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTaxOther`	$-386.00K	USD	1 Quarter
Net actuarial gain arising during period, less amortization of unamortized benefit plan cost, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTaxOther`	$-386.00K	USD	1 Quarter
Net actuarial gain arising during period, less amortization of unamortized benefit plan cost, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTaxOther`	$-267.00K	USD	1 Quarter
Net actuarial gain arising during period, less amortization of unamortized benefit plan cost, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTaxOther`	$-267.00K	USD	1 Quarter
Net actuarial gain arising during period, less amortization of unamortized benefit plan cost, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTaxOther`	$-384.00K	USD	1 Quarter
Net actuarial gain arising during period, less amortization of unamortized benefit plan cost, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTaxOther`	$-384.00K	USD	1 Quarter
Ending balance (in shares)	`CommonStockSharesOutstanding`	71.78M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	71.78M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	71.98M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	71.98M	shares	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.31B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.31B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.12B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$4.12B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.68B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.68B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.75B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.75B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.36B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.36B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.67B	USD	Point-in-time
Ending balance	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$3.67B	USD	Point-in-time

Comprehensive Income 104 line items

Line Item	Tag	Value	Unit	Period
Amortization of prior service cost, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-11.00K	USD	1 Quarter
Amortization of prior service cost, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-11.00K	USD	1 Quarter
Amortization of prior service cost, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-22.00K	USD	2 Qtrs
Amortization of prior service cost, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-22.00K	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$20.21M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$20.21M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$107.77M	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$107.77M	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$-10.33M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$-10.33M	USD	1 Quarter
Net income (loss)	`ProfitLoss`	$98.86M	USD	2 Qtrs
Net income (loss)	`ProfitLoss`	$98.86M	USD	2 Qtrs
Amortization of prior service cost, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-22.00K	USD	2 Qtrs
Amortization of prior service cost, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-22.00K	USD	2 Qtrs
Amortization of prior service cost, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-11.00K	USD	1 Quarter
Amortization of prior service cost, tax	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditTax`	$-11.00K	USD	1 Quarter
Amortization of net actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$452.00K	USD	2 Qtrs
Amortization of net actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$452.00K	USD	2 Qtrs
Amortization of net actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$226.00K	USD	1 Quarter
Amortization of net actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$226.00K	USD	1 Quarter
Amortization of net actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$917.00K	USD	2 Qtrs
Amortization of net actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$917.00K	USD	2 Qtrs
Amortization of net actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$458.00K	USD	1 Quarter
Amortization of net actuarial loss, tax	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossTax`	$458.00K	USD	1 Quarter
Regulatory adjustment, tax	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentTax`	$-152.00K	USD	1 Quarter
Regulatory adjustment, tax	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentTax`	$-152.00K	USD	1 Quarter
Regulatory adjustment, tax	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentTax`	$-348.00K	USD	1 Quarter
Regulatory adjustment, tax	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentTax`	$-348.00K	USD	1 Quarter
Regulatory adjustment, tax	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentTax`	$-696.00K	USD	2 Qtrs
Regulatory adjustment, tax	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentTax`	$-696.00K	USD	2 Qtrs
Regulatory adjustment, tax	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentTax`	$-304.00K	USD	2 Qtrs
Regulatory adjustment, tax	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentTax`	$-304.00K	USD	2 Qtrs
Amortization of prior service cost, net of tax of $11, $11, $22 and $22, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$66.00K	USD	2 Qtrs
Amortization of prior service cost, net of tax of $11, $11, $22 and $22, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$66.00K	USD	2 Qtrs
Amortization of prior service cost, net of tax of $11, $11, $22 and $22, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$66.00K	USD	2 Qtrs
Amortization of prior service cost, net of tax of $11, $11, $22 and $22, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$66.00K	USD	2 Qtrs
Amortization of prior service cost, net of tax of $11, $11, $22 and $22, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$33.00K	USD	1 Quarter
Amortization of prior service cost, net of tax of $11, $11, $22 and $22, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$33.00K	USD	1 Quarter
Amortization of prior service cost, net of tax of $11, $11, $22 and $22, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$33.00K	USD	1 Quarter
Amortization of prior service cost, net of tax of $11, $11, $22 and $22, respectively	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$33.00K	USD	1 Quarter
Amortization of net actuarial loss, net of tax of $226, $458, $452 and $917, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-1.45M	USD	1 Quarter
Amortization of net actuarial loss, net of tax of $226, $458, $452 and $917, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-1.45M	USD	1 Quarter
Amortization of net actuarial loss, net of tax of $226, $458, $452 and $917, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-717.00K	USD	1 Quarter
Amortization of net actuarial loss, net of tax of $226, $458, $452 and $917, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-717.00K	USD	1 Quarter
Amortization of net actuarial loss, net of tax of $226, $458, $452 and $917, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-2.90M	USD	2 Qtrs
Amortization of net actuarial loss, net of tax of $226, $458, $452 and $917, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-2.90M	USD	2 Qtrs
Amortization of net actuarial loss, net of tax of $226, $458, $452 and $917, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-1.44M	USD	2 Qtrs
Amortization of net actuarial loss, net of tax of $226, $458, $452 and $917, respectively	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-1.44M	USD	2 Qtrs
Regulatory adjustment, net of tax of ($152), ($348), ($304) and ($696), respectively	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$2.20M	USD	2 Qtrs
Regulatory adjustment, net of tax of ($152), ($348), ($304) and ($696), respectively	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$2.20M	USD	2 Qtrs
Regulatory adjustment, net of tax of ($152), ($348), ($304) and ($696), respectively	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$966.00K	USD	2 Qtrs
Regulatory adjustment, net of tax of ($152), ($348), ($304) and ($696), respectively	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$966.00K	USD	2 Qtrs
Regulatory adjustment, net of tax of ($152), ($348), ($304) and ($696), respectively	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$1.10M	USD	1 Quarter
Regulatory adjustment, net of tax of ($152), ($348), ($304) and ($696), respectively	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$1.10M	USD	1 Quarter
Regulatory adjustment, net of tax of ($152), ($348), ($304) and ($696), respectively	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$483.00K	USD	1 Quarter
Regulatory adjustment, net of tax of ($152), ($348), ($304) and ($696), respectively	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$483.00K	USD	1 Quarter
Net defined benefit pension plans, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-770.00K	USD	2 Qtrs
Net defined benefit pension plans, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-770.00K	USD	2 Qtrs
Net defined benefit pension plans, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-535.00K	USD	2 Qtrs
Net defined benefit pension plans, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-535.00K	USD	2 Qtrs
Net defined benefit pension plans, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-386.00K	USD	1 Quarter
Net defined benefit pension plans, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-386.00K	USD	1 Quarter
Net defined benefit pension plans, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-267.00K	USD	1 Quarter
Net defined benefit pension plans, net of tax	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-267.00K	USD	1 Quarter
Foreign currency translation adjustments, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-1.15M	USD	1 Quarter
Foreign currency translation adjustments, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-1.15M	USD	1 Quarter
Foreign currency translation adjustments, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$6.82M	USD	2 Qtrs
Foreign currency translation adjustments, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$6.82M	USD	2 Qtrs
Foreign currency translation adjustments, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-3.97M	USD	2 Qtrs
Foreign currency translation adjustments, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-3.97M	USD	2 Qtrs
Foreign currency translation adjustments, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$6.71M	USD	1 Quarter
Foreign currency translation adjustments, net of tax	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$6.71M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$7.35M	USD	2 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$7.35M	USD	2 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-3.20M	USD	2 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-3.20M	USD	2 Qtrs
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$6.98M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$6.98M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-766.00K	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-766.00K	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-3.35M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-3.35M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$106.21M	USD	2 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$106.21M	USD	2 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$19.44M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$19.44M	USD	1 Quarter
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$104.57M	USD	2 Qtrs
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$104.57M	USD	2 Qtrs
Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.71M	USD	1 Quarter
Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.71M	USD	1 Quarter
Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.53M	USD	2 Qtrs
Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.53M	USD	2 Qtrs
Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$3.62M	USD	1 Quarter
Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$3.62M	USD	1 Quarter
Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-1.04M	USD	2 Qtrs
Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-1.04M	USD	2 Qtrs
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$17.74M	USD	1 Quarter
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$17.74M	USD	1 Quarter
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$103.04M	USD	2 Qtrs
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$103.04M	USD	2 Qtrs
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$107.25M	USD	2 Qtrs
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$107.25M	USD	2 Qtrs
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$-6.97M	USD	1 Quarter
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$-6.97M	USD	1 Quarter

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