10-Q Filing

SOUTHWEST GAS HOLDINGS, INC. CIK: 1692115 Q1 2019

Filing Information

Form Type	10-Q
Accession Number	`0001692115-19-000045`
Period End Date	20190331
Filing Date	20190508
Fiscal Year	2019
Fiscal Period	Q1
XBRL Instance	swx331201910q_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 94 Income Statement 88 Cash Flow Statement 154 Comprehensive Income 52

Balance Sheet 94 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, authorized (in shares)	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	60.00M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	53.39M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	53.03M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	53.03M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	53.39M	shares	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$7.13B	USD	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantAndEquipmentPlantInService`	$7.27B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.23B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.26B	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$204.37M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$193.03M	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$5.09B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$5.22B	USD	Point-in-time
Other property and investments	`OtherPropertyAndInvestments`	$716.72M	USD	Point-in-time
Other property and investments	`OtherPropertyAndInvestments`	$623.55M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$85.36M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$97.04M	USD	Point-in-time
Accounts receivable, net of allowances	`AccountsReceivableNetCurrent`	$413.93M	USD	Point-in-time
Accounts receivable, net of allowances	`AccountsReceivableNetCurrent`	$429.25M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$77.20M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$47.00M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$14.07M	USD	Point-in-time
Income taxes receivable	`IncomeTaxesReceivable`	$14.65M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$65.24M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$4.93M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$177.78M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$243.70M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$830.38M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$839.77M	USD	Point-in-time
Goodwill	`Goodwill`	$364.48M	USD	Point-in-time
Goodwill	`Goodwill`	$359.05M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$1.26M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$1.07M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$440.86M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$441.17M	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$801.17M	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$806.72M	USD	Point-in-time
Total assets	`Assets`	$7.36B	USD	Point-in-time
Total assets	`Assets`	$7.57B	USD	Point-in-time
Common stock, $1 par (authorized - 60,000,000 shares; issued and outstanding - 53,391,731 and 53,026,848 shares)	`CommonStockValue`	$55.02M	USD	Point-in-time
Common stock, $1 par (authorized - 60,000,000 shares; issued and outstanding - 53,391,731 and 53,026,848 shares)	`CommonStockValue`	$54.66M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.33B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.31B	USD	Point-in-time
Accumulated other comprehensive income (loss), net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-52.67M	USD	Point-in-time
Accumulated other comprehensive income (loss), net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-50.62M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$944.28M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.01B	USD	Point-in-time
Total Southwest Gas Holdings, Inc. equity	`StockholdersEquity`	$2.35B	USD	Point-in-time
Total Southwest Gas Holdings, Inc. equity	`StockholdersEquity`	$2.25B	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$-452.00K	USD	Point-in-time
Noncontrolling interest	`MinorityInterest`	$-452.00K	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.35B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.88B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$2.25B	USD	Point-in-time
Total equity	`StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest`	$1.81B	USD	Point-in-time
Redeemable noncontrolling interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$81.83M	USD	Point-in-time
Redeemable noncontrolling interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$82.41M	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$2.11B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$2.11B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$4.44B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$4.54B	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$33.06M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$34.91M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$152.00M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$188.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$231.34M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$248.99M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$68.59M	USD	Point-in-time
Customer deposits	`CustomerDepositsCurrent`	$67.94M	USD	Point-in-time
Income taxes payable	`TaxesPayableCurrent`	$1.08M	USD	Point-in-time
Income taxes payable	`TaxesPayableCurrent`	-	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$69.42M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$43.56M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$31.44M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$21.37M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasPurchasesCurrent`	$72.21M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasPurchasesCurrent`	$79.76M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$290.88M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$278.55M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$938.64M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$974.48M	USD	Point-in-time
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$529.20M	USD	Point-in-time
Deferred income taxes and investment tax credits	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$556.06M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$385.00M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$383.00M	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$1.07B	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$1.12B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.06B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$1.98B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$7.36B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$7.57B	USD	Point-in-time

Income Statement 88 line items

Line Item	Tag	Value	Unit	Period
Gas operating revenues	`RegulatedOperatingRevenueGas`	$494.31M	USD	1 Quarter
Gas operating revenues	`RegulatedOperatingRevenueGas`	$1.33B	USD	Annual
Gas operating revenues	`RegulatedOperatingRevenueGas`	$520.68M	USD	1 Quarter
Gas operating revenues	`RegulatedOperatingRevenueGas`	$1.38B	USD	Annual
Utility infrastructure services revenues	`RevenueFromContractWithCustomerIncludingAssessedTax`	$1.31B	USD	Annual
Utility infrastructure services revenues	`RevenueFromContractWithCustomerIncludingAssessedTax`	$260.02M	USD	1 Quarter
Utility infrastructure services revenues	`RevenueFromContractWithCustomerIncludingAssessedTax`	$312.86M	USD	1 Quarter
Utility infrastructure services revenues	`RevenueFromContractWithCustomerIncludingAssessedTax`	$1.58B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$2.65B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$754.33M	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$2.96B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$833.54M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$192.60M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$393.90M	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$426.26M	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$185.73M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$390.82M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$102.35M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$410.29M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$106.25M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$240.95M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$264.27M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$77.54M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$62.48M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$16.21M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$15.26M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$60.85M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$58.42M	USD	Annual
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.22B	USD	Annual
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.43B	USD	Annual
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$300.46M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$258.95M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$624.77M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$2.30B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$693.06M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$2.59B	USD	Annual
Operating income	`OperatingIncomeLoss`	$129.56M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$140.48M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$368.35M	USD	Annual
Operating income	`OperatingIncomeLoss`	$348.34M	USD	Annual
Net interest deductions	`InterestExpense`	$81.98M	USD	Annual
Net interest deductions	`InterestExpense`	$26.40M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$100.44M	USD	Annual
Net interest deductions	`InterestExpense`	$22.63M	USD	1 Quarter
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-6.25M	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-9.37M	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-4.33M	USD	1 Quarter
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$6.84M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-26.96M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-91.36M	USD	Annual
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-106.69M	USD	Annual
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-19.56M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$120.92M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$261.66M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$102.59M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$256.98M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$24.30M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$62.92M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$53.75M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$25.54M	USD	1 Quarter
Net income	`ProfitLoss`	$203.23M	USD	Annual
Net income	`ProfitLoss`	$95.38M	USD	1 Quarter
Net income	`ProfitLoss`	$78.29M	USD	1 Quarter
Net income	`ProfitLoss`	$198.74M	USD	Annual
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-797.00K	USD	1 Quarter
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-393.00K	USD	Annual
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$575.00K	USD	1 Quarter
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$747.00K	USD	Annual
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$203.62M	USD	Annual
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$79.09M	USD	1 Quarter
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$198.00M	USD	Annual
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$94.81M	USD	1 Quarter
Basic earnings per share (in USD per share)	`EarningsPerShareBasic`	$1.63	USD	1 Quarter
Basic earnings per share (in USD per share)	`EarningsPerShareBasic`	$3.91	USD	Annual
Basic earnings per share (in USD per share)	`EarningsPerShareBasic`	$1.78	USD	1 Quarter
Basic earnings per share (in USD per share)	`EarningsPerShareBasic`	$4.23	USD	Annual
Diluted earnings per share (in USD per share)	`EarningsPerShareDiluted`	$1.77	USD	1 Quarter
Diluted earnings per share (in USD per share)	`EarningsPerShareDiluted`	$4.23	USD	Annual
Diluted earnings per share (in USD per share)	`EarningsPerShareDiluted`	$1.63	USD	1 Quarter
Diluted earnings per share (in USD per share)	`EarningsPerShareDiluted`	$3.91	USD	Annual
Average number of common shares (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	53.37M	shares	1 Quarter
Average number of common shares (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	48.10M	shares	Annual
Average number of common shares (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	50.64M	shares	Annual
Average number of common shares (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	48.42M	shares	1 Quarter
Average shares (assuming dilution) (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	50.70M	shares	Annual
Average shares (assuming dilution) (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	48.46M	shares	1 Quarter
Average shares (assuming dilution) (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	53.42M	shares	1 Quarter
Average shares (assuming dilution) (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	48.14M	shares	Annual

Cash Flow Statement 154 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$203.23M	USD	Annual
Net income	`ProfitLoss`	$95.38M	USD	1 Quarter
Net income	`ProfitLoss`	$78.29M	USD	1 Quarter
Net income	`ProfitLoss`	$198.74M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$240.95M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$264.27M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$77.54M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$62.48M	USD	1 Quarter
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-52.74M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-23.23M	USD	1 Quarter
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-49.37M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-24.92M	USD	1 Quarter
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$-8.86M	USD	1 Quarter
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$15.56M	USD	1 Quarter
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$68.98M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$40.28M	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInUnbilledReceivables`	$-30.90M	USD	1 Quarter
Accrued utility revenue	`IncreaseDecreaseInUnbilledReceivables`	$-300.00K	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInUnbilledReceivables`	$-30.20M	USD	1 Quarter
Accrued utility revenue	`IncreaseDecreaseInUnbilledReceivables`	$1.40M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$-25.34M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$10.63M	USD	1 Quarter
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$36.33M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$67.86M	USD	1 Quarter
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$26.76M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-12.64M	USD	1 Quarter
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$47.63M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-48.50M	USD	1 Quarter
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$25.40M	USD	1 Quarter
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$491.00K	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$18.78M	USD	1 Quarter
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$-5.33M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$643.00K	USD	1 Quarter
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-47.85M	USD	1 Quarter
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$5.58M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$29.95M	USD	Annual
Gains on sale	`GainLossOnSaleOfPropertyPlantEquipment`	$4.09M	USD	Annual
Gains on sale	`GainLossOnSaleOfPropertyPlantEquipment`	$233.00K	USD	1 Quarter
Gains on sale	`GainLossOnSaleOfPropertyPlantEquipment`	$1.71M	USD	Annual
Gains on sale	`GainLossOnSaleOfPropertyPlantEquipment`	$230.00K	USD	1 Quarter
Changes in undistributed stock compensation	`ShareBasedCompensation`	$6.64M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$7.44M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$3.19M	USD	1 Quarter
Changes in undistributed stock compensation	`ShareBasedCompensation`	$1.86M	USD	1 Quarter
AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$960.00K	USD	1 Quarter
AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$2.05M	USD	Annual
AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$4.36M	USD	Annual
AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$229.00K	USD	1 Quarter
Changes in other assets and deferred charges	`IncreaseDecreaseInOtherOperatingAssets`	$20.22M	USD	Annual
Changes in other assets and deferred charges	`IncreaseDecreaseInOtherOperatingAssets`	$16.94M	USD	Annual
Changes in other assets and deferred charges	`IncreaseDecreaseInOtherOperatingAssets`	$16.33M	USD	1 Quarter
Changes in other assets and deferred charges	`IncreaseDecreaseInOtherOperatingAssets`	$1.84M	USD	1 Quarter
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$18.24M	USD	1 Quarter
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-2.78M	USD	1 Quarter
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$20.96M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$17.42M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$536.40M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$180.57M	USD	1 Quarter
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$188.11M	USD	1 Quarter
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$388.68M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$154.54M	USD	1 Quarter
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$822.03M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$210.66M	USD	1 Quarter
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$662.40M	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$247.16M	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$4.21M	USD	1 Quarter
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	1 Quarter
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$98.41M	USD	Annual
Changes in customer advances	`IncreaseDecreaseInCustomerAdvances`	$3.08M	USD	1 Quarter
Changes in customer advances	`IncreaseDecreaseInCustomerAdvances`	$13.50M	USD	Annual
Changes in customer advances	`IncreaseDecreaseInCustomerAdvances`	$2.30M	USD	Annual
Changes in customer advances	`IncreaseDecreaseInCustomerAdvances`	$3.04M	USD	1 Quarter
Miscellaneous inflows	`ProceedsFromMiscellaneousInvestingActivities`	$1.50M	USD	1 Quarter
Miscellaneous inflows	`ProceedsFromMiscellaneousInvestingActivities`	$262.00K	USD	1 Quarter
Miscellaneous inflows	`ProceedsFromMiscellaneousInvestingActivities`	$13.43M	USD	Annual
Miscellaneous inflows	`ProceedsFromMiscellaneousInvestingActivities`	$3.20M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-745.08M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-154.21M	USD	1 Quarter
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-1.05B	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-207.32M	USD	1 Quarter
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$52.38M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$11.22M	USD	1 Quarter
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$25.88M	USD	1 Quarter
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$369.06M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$104.00M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$27.60M	USD	1 Quarter
Dividends paid	`PaymentsOfDividendsCommonStock`	$94.57M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$23.84M	USD	1 Quarter
Centuri distribution to redeemable noncontrolling interest	`PaymentsOfDividendsMinorityInterest`	$102.00K	USD	1 Quarter
Centuri distribution to redeemable noncontrolling interest	`PaymentsOfDividendsMinorityInterest`	-	USD	Annual
Centuri distribution to redeemable noncontrolling interest	`PaymentsOfDividendsMinorityInterest`	$204.00K	USD	Annual
Centuri distribution to redeemable noncontrolling interest	`PaymentsOfDividendsMinorityInterest`	-	USD	1 Quarter
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$335.38M	USD	1 Quarter
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$259.46M	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$716.16M	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$29.67M	USD	1 Quarter
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$312.31M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$31.16M	USD	1 Quarter
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$21.10M	USD	1 Quarter
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$247.82M	USD	Annual
Change in credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	-	USD	1 Quarter
Change in credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$24.00M	USD	Annual
Change in credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$111.00M	USD	Annual
Change in credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$-111.00M	USD	1 Quarter
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$165.50M	USD	Annual
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$36.00M	USD	1 Quarter
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$22.50M	USD	Annual
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-192.00M	USD	1 Quarter
Principal payments on finance lease obligations	`FinanceLeasePrincipalPayments`	$946.00K	USD	Annual
Principal payments on finance lease obligations	`FinanceLeasePrincipalPayments`	$70.00K	USD	1 Quarter
Principal payments on finance lease obligations	`FinanceLeasePrincipalPayments`	$165.00K	USD	1 Quarter
Principal payments on finance lease obligations	`FinanceLeasePrincipalPayments`	$553.00K	USD	Annual
Redemption of Centuri shares from noncontrolling parties	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	-	USD	1 Quarter
Redemption of Centuri shares from noncontrolling parties	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	-	USD	Annual
Redemption of Centuri shares from noncontrolling parties	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	$23.00M	USD	Annual
Redemption of Centuri shares from noncontrolling parties	`PaymentsForRepurchaseOfRedeemableNoncontrollingInterest`	-	USD	1 Quarter
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$3.51M	USD	Annual
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.85M	USD	1 Quarter
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.10M	USD	Annual
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.84M	USD	1 Quarter
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-53.00K	USD	1 Quarter
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.46M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-2.50M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-337.00K	USD	1 Quarter
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$378.00M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$30.82M	USD	1 Quarter
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-4.79M	USD	1 Quarter
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$548.09M	USD	Annual
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$65.00K	USD	1 Quarter
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-71.00K	USD	1 Quarter
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-72.00K	USD	Annual
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$114.00K	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$21.49M	USD	1 Quarter
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$11.68M	USD	1 Quarter
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$31.92M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$21.71M	USD	Annual
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$65.11M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$43.40M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$43.62M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$97.04M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.36M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$65.11M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$43.40M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$43.62M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$97.04M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$85.36M	USD	Point-in-time
Interest paid, net of amounts capitalized	`InterestPaidNet`	$89.12M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$74.95M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$15.85M	USD	1 Quarter
Interest paid, net of amounts capitalized	`InterestPaidNet`	$13.29M	USD	1 Quarter
Income taxes paid (received)	`IncomeTaxesPaidNet`	$4.42M	USD	1 Quarter
Income taxes paid (received)	`IncomeTaxesPaidNet`	$8.26M	USD	Annual
Income taxes paid (received)	`IncomeTaxesPaidNet`	$454.00K	USD	1 Quarter
Income taxes paid (received)	`IncomeTaxesPaidNet`	$-2.74M	USD	Annual

Comprehensive Income 52 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$203.23M	USD	Annual
Net income	`ProfitLoss`	$95.38M	USD	1 Quarter
Net income	`ProfitLoss`	$78.29M	USD	1 Quarter
Net income	`ProfitLoss`	$198.74M	USD	Annual
Net actuarial gain (loss)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-32.70M	USD	Annual
Net actuarial gain (loss)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Net actuarial gain (loss)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-15.52M	USD	Annual
Net actuarial gain (loss)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$1.00M	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$241.00K	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$875.00K	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$254.00K	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-18.22M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-6.39M	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-23.60M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-4.44M	USD	1 Quarter
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$-10.40M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$5.75M	USD	1 Quarter
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$4.06M	USD	1 Quarter
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$4.57M	USD	Annual
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-4.51M	USD	Annual
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-619.00K	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$3.21M	USD	Annual
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-895.00K	USD	1 Quarter
Amounts reclassified into net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-2.54M	USD	Annual
Amounts reclassified into net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-2.19M	USD	Annual
Amounts reclassified into net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-635.00K	USD	1 Quarter
Amounts reclassified into net income	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesNetOfTax`	$-635.00K	USD	1 Quarter
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$2.54M	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$2.19M	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$635.00K	USD	1 Quarter
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax`	$635.00K	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$640.00K	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-1.31M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$791.00K	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-911.00K	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$619.00K	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$5.74M	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-377.00K	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.04M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$78.91M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$204.48M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$202.85M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$97.43M	USD	1 Quarter
Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$575.00K	USD	1 Quarter
Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-389.00K	USD	Annual
Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$747.00K	USD	Annual
Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-797.00K	USD	1 Quarter
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$203.24M	USD	Annual
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$203.74M	USD	Annual
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$96.85M	USD	1 Quarter
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$79.71M	USD	1 Quarter

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