10-Q Filing

SOUTHWEST GAS HOLDINGS, INC. CIK: 1692115 Q1 2024

Filing Information

Form Type	10-Q
Accession Number	`0001692115-24-000080`
Period End Date	20240331
Filing Date	20240508
Fiscal Year	2024
Fiscal Period	Q1
XBRL Instance	swx-20240331_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 178 Income Statement 92 Cash Flow Statement 168 Stockholders Equity 14 Comprehensive Income 40

Balance Sheet 178 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
Common stock, issued (in shares)	`CommonStockSharesIssued`	71.67M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	71.67M	shares	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$10.25B	USD	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$10.25B	USD	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$10.14B	USD	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$10.14B	USD	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	71.56M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	71.56M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	71.56M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	71.56M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	71.67M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	71.67M	shares	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.82B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.82B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.86B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.86B	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$200.55M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$200.55M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$245.03M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$245.03M	USD	Point-in-time
Net regulated operations plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$7.52B	USD	Point-in-time
Net regulated operations plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$7.52B	USD	Point-in-time
Net regulated operations plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$7.63B	USD	Point-in-time
Net regulated operations plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$7.63B	USD	Point-in-time
Other property and investments, net	`OtherPropertyAndInvestments`	$1.25B	USD	Point-in-time
Other property and investments, net	`OtherPropertyAndInvestments`	$1.25B	USD	Point-in-time
Other property and investments, net	`OtherPropertyAndInvestments`	$1.27B	USD	Point-in-time
Other property and investments, net	`OtherPropertyAndInvestments`	$1.27B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$457.95M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$457.95M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$106.54M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$106.54M	USD	Point-in-time
Accounts receivable, net of allowance	`AccountsReceivableNetCurrent`	$886.55M	USD	Point-in-time
Accounts receivable, net of allowance	`AccountsReceivableNetCurrent`	$886.55M	USD	Point-in-time
Accounts receivable, net of allowance	`AccountsReceivableNetCurrent`	$843.13M	USD	Point-in-time
Accounts receivable, net of allowance	`AccountsReceivableNetCurrent`	$843.13M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$93.00M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$93.00M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$58.50M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$58.50M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$7.17M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$7.17M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$1.94M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$1.94M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$198.68M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$198.68M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$552.88M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$552.88M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$970.00M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$970.00M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$218.83M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$218.83M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$214.52M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$214.52M	USD	Point-in-time
Current assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	-	USD	Point-in-time
Current assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	-	USD	Point-in-time
Current assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	$21.38M	USD	Point-in-time
Current assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	$21.38M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.88B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.88B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.78B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.78B	USD	Point-in-time
Goodwill	`Goodwill`	$789.73M	USD	Point-in-time
Goodwill	`Goodwill`	$789.73M	USD	Point-in-time
Goodwill	`Goodwill`	$787.21M	USD	Point-in-time
Goodwill	`Goodwill`	$787.21M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$463.00K	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$463.00K	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$1.31M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$1.31M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$432.19M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$432.19M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$414.01M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$414.01M	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.20B	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.20B	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.22B	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.22B	USD	Point-in-time
Total assets	`Assets`	$11.87B	USD	Point-in-time
Total assets	`Assets`	$11.87B	USD	Point-in-time
Total assets	`Assets`	$11.89B	USD	Point-in-time
Total assets	`Assets`	$11.89B	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 71,665,592 and 71,563,750 shares)	`CommonStockValue`	$73.19M	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 71,665,592 and 71,563,750 shares)	`CommonStockValue`	$73.19M	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 71,665,592 and 71,563,750 shares)	`CommonStockValue`	$73.30M	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 71,665,592 and 71,563,750 shares)	`CommonStockValue`	$73.30M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.54B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.54B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.55B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.55B	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-43.79M	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-43.79M	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-46.22M	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-46.22M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$738.84M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$738.84M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$781.68M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$781.68M	USD	Point-in-time
Total equity	`StockholdersEquity`	$3.36B	USD	Point-in-time
Total equity	`StockholdersEquity`	$3.36B	USD	Point-in-time
Total equity	`StockholdersEquity`	$3.31B	USD	Point-in-time
Total equity	`StockholdersEquity`	$3.31B	USD	Point-in-time
Redeemable noncontrolling interests	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$104.67M	USD	Point-in-time
Redeemable noncontrolling interests	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$104.67M	USD	Point-in-time
Redeemable noncontrolling interests	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$7.66M	USD	Point-in-time
Redeemable noncontrolling interests	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$7.66M	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$4.61B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$4.61B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$4.65B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$4.65B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$8.01B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$8.01B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$8.02B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$8.02B	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$42.77M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$42.77M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$42.55M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$42.55M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$628.50M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$628.50M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$644.00M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$644.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$264.62M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$264.62M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$346.91M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$346.91M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$52.63M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$52.63M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$48.46M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$48.46M	USD	Point-in-time
Income taxes payable, net	`IncomeTaxesPayableNet`	$744.00K	USD	Point-in-time
Income taxes payable, net	`IncomeTaxesPayableNet`	$744.00K	USD	Point-in-time
Income taxes payable, net	`IncomeTaxesPayableNet`	$817.00K	USD	Point-in-time
Income taxes payable, net	`IncomeTaxesPayableNet`	$817.00K	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$96.68M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$96.68M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$58.05M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$58.05M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$39.98M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$39.98M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$36.60M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$36.60M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$522.95M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$522.95M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$577.24M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$577.24M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.68B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.68B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.72B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.72B	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$753.00M	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$753.00M	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$784.49M	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$784.49M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$457.00M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$457.00M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$458.00M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$458.00M	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$949.51M	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$949.51M	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$914.98M	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$914.98M	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.16B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.16B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.16B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.16B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$11.89B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$11.89B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$11.87B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$11.87B	USD	Point-in-time

Income Statement 92 line items

Line Item	Tag	Value	Unit	Period
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$1.05B	USD	1 Quarter
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$1.05B	USD	1 Quarter
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$950.01M	USD	1 Quarter
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$950.01M	USD	1 Quarter
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$528.02M	USD	1 Quarter
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$528.02M	USD	1 Quarter
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$653.29M	USD	1 Quarter
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$653.29M	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.58B	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.58B	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.60B	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$1.60B	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$507.54M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$507.54M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$630.00M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$630.00M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$148.91M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$148.91M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$135.15M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$135.15M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$119.14M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$119.14M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$112.52M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$112.52M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$24.23M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$24.23M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$22.90M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$22.90M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$603.68M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$603.68M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$515.64M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$515.64M	USD	1 Quarter
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	$71.23M	USD	1 Quarter
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	$71.23M	USD	1 Quarter
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	-	USD	1 Quarter
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	-	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.47B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.47B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.42B	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$1.42B	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$135.20M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$135.20M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$158.12M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$158.12M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$77.33M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$77.33M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$71.61M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$71.61M	USD	1 Quarter
Other income	`OtherNonoperatingIncomeExpense`	$18.12M	USD	1 Quarter
Other income	`OtherNonoperatingIncomeExpense`	$18.12M	USD	1 Quarter
Other income	`OtherNonoperatingIncomeExpense`	$18.46M	USD	1 Quarter
Other income	`OtherNonoperatingIncomeExpense`	$18.46M	USD	1 Quarter
Total other (expenses)	`NonoperatingIncomeExpense`	$-58.87M	USD	1 Quarter
Total other (expenses)	`NonoperatingIncomeExpense`	$-58.87M	USD	1 Quarter
Total other (expenses)	`NonoperatingIncomeExpense`	$-53.48M	USD	1 Quarter
Total other (expenses)	`NonoperatingIncomeExpense`	$-53.48M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$104.64M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$104.64M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$76.33M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$76.33M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$28.68M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$28.68M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$17.08M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$17.08M	USD	1 Quarter
Net income	`ProfitLoss`	$87.56M	USD	1 Quarter
Net income	`ProfitLoss`	$87.56M	USD	1 Quarter
Net income	`ProfitLoss`	$47.65M	USD	1 Quarter
Net income	`ProfitLoss`	$47.65M	USD	1 Quarter
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.74M	USD	1 Quarter
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.74M	USD	1 Quarter
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-175.00K	USD	1 Quarter
Net income (loss) attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$-175.00K	USD	1 Quarter
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$45.91M	USD	1 Quarter
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$45.91M	USD	1 Quarter
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$87.74M	USD	1 Quarter
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$87.74M	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$1.22	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$1.22	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$0.67	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$0.67	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$1.22	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$1.22	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$0.67	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$0.67	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	68.27M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	68.27M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	71.73M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	71.73M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	68.42M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	68.42M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	71.88M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	71.88M	shares	1 Quarter

Cash Flow Statement 168 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$87.56M	USD	1 Quarter
Net income	`ProfitLoss`	$87.56M	USD	1 Quarter
Net income	`ProfitLoss`	$47.65M	USD	1 Quarter
Net income	`ProfitLoss`	$47.65M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$119.14M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$119.14M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$112.52M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$112.52M	USD	1 Quarter
Impairment of assets and other charges	`ImpairmentOfAssetsAndOtherCharges`	$71.23M	USD	1 Quarter
Impairment of assets and other charges	`ImpairmentOfAssetsAndOtherCharges`	$71.23M	USD	1 Quarter
Impairment of assets and other charges	`ImpairmentOfAssetsAndOtherCharges`	-	USD	1 Quarter
Impairment of assets and other charges	`ImpairmentOfAssetsAndOtherCharges`	-	USD	1 Quarter
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-36.71M	USD	1 Quarter
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-36.71M	USD	1 Quarter
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-30.71M	USD	1 Quarter
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-30.71M	USD	1 Quarter
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$944.00K	USD	1 Quarter
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$944.00K	USD	1 Quarter
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$661.00K	USD	1 Quarter
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$661.00K	USD	1 Quarter
Changes in undistributed stock compensation	`ShareBasedCompensation`	$961.00K	USD	1 Quarter
Changes in undistributed stock compensation	`ShareBasedCompensation`	$961.00K	USD	1 Quarter
Changes in undistributed stock compensation	`ShareBasedCompensation`	$3.44M	USD	1 Quarter
Changes in undistributed stock compensation	`ShareBasedCompensation`	$3.44M	USD	1 Quarter
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$1.84M	USD	1 Quarter
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$1.84M	USD	1 Quarter
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$82.00K	USD	1 Quarter
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$82.00K	USD	1 Quarter
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$-26.11M	USD	1 Quarter
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$-26.11M	USD	1 Quarter
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$40.19M	USD	1 Quarter
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$40.19M	USD	1 Quarter
Accrued utility revenue	`IncreaseDecreaseInAccruedUtilityRevenue`	$-34.50M	USD	1 Quarter
Accrued utility revenue	`IncreaseDecreaseInAccruedUtilityRevenue`	$-34.50M	USD	1 Quarter
Accrued utility revenue	`IncreaseDecreaseInAccruedUtilityRevenue`	$-31.20M	USD	1 Quarter
Accrued utility revenue	`IncreaseDecreaseInAccruedUtilityRevenue`	$-31.20M	USD	1 Quarter
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$-354.20M	USD	1 Quarter
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$-354.20M	USD	1 Quarter
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$535.22M	USD	1 Quarter
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$535.22M	USD	1 Quarter
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-305.27M	USD	1 Quarter
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-305.27M	USD	1 Quarter
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-69.86M	USD	1 Quarter
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-69.86M	USD	1 Quarter
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$34.95M	USD	1 Quarter
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$34.95M	USD	1 Quarter
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$33.31M	USD	1 Quarter
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$33.31M	USD	1 Quarter
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$28.76M	USD	1 Quarter
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$28.76M	USD	1 Quarter
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-371.04M	USD	1 Quarter
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-371.04M	USD	1 Quarter
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$15.98M	USD	1 Quarter
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$15.98M	USD	1 Quarter
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$1.56M	USD	1 Quarter
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$1.56M	USD	1 Quarter
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-25.40M	USD	1 Quarter
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-25.40M	USD	1 Quarter
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-11.49M	USD	1 Quarter
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-11.49M	USD	1 Quarter
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-185.74M	USD	1 Quarter
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-185.74M	USD	1 Quarter
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$543.71M	USD	1 Quarter
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$543.71M	USD	1 Quarter
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$221.20M	USD	1 Quarter
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$221.20M	USD	1 Quarter
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$219.12M	USD	1 Quarter
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$219.12M	USD	1 Quarter
Proceeds from the sale of business, net of cash sold	`ProceedsFromDivestitureOfBusinesses`	$1.06B	USD	1 Quarter
Proceeds from the sale of business, net of cash sold	`ProceedsFromDivestitureOfBusinesses`	$1.06B	USD	1 Quarter
Proceeds from the sale of business, net of cash sold	`ProceedsFromDivestitureOfBusinesses`	-	USD	1 Quarter
Proceeds from the sale of business, net of cash sold	`ProceedsFromDivestitureOfBusinesses`	-	USD	1 Quarter
Proceeds from the sale of property	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	1 Quarter
Proceeds from the sale of property	`ProceedsFromSaleOfPropertyPlantAndEquipment`	-	USD	1 Quarter
Proceeds from the sale of property	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$21.38M	USD	1 Quarter
Proceeds from the sale of property	`ProceedsFromSaleOfPropertyPlantAndEquipment`	$21.38M	USD	1 Quarter
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$-1.66M	USD	1 Quarter
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$-1.66M	USD	1 Quarter
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$-6.61M	USD	1 Quarter
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$-6.61M	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-3.12M	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-3.12M	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-1.69M	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-1.69M	USD	1 Quarter
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-199.79M	USD	1 Quarter
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-199.79M	USD	1 Quarter
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$835.66M	USD	1 Quarter
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$835.66M	USD	1 Quarter
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$239.34M	USD	1 Quarter
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$239.34M	USD	1 Quarter
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$2.37M	USD	1 Quarter
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$2.37M	USD	1 Quarter
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	$37.00K	USD	1 Quarter
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	$37.00K	USD	1 Quarter
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	-	USD	1 Quarter
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	-	USD	1 Quarter
Dividends paid	`PaymentsOfDividendsCommonStock`	$44.39M	USD	1 Quarter
Dividends paid	`PaymentsOfDividendsCommonStock`	$44.39M	USD	1 Quarter
Dividends paid	`PaymentsOfDividendsCommonStock`	$41.63M	USD	1 Quarter
Dividends paid	`PaymentsOfDividendsCommonStock`	$41.63M	USD	1 Quarter
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$55.90M	USD	1 Quarter
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$55.90M	USD	1 Quarter
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$305.90M	USD	1 Quarter
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$305.90M	USD	1 Quarter
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$16.49M	USD	1 Quarter
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$16.49M	USD	1 Quarter
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$84.22M	USD	1 Quarter
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$84.22M	USD	1 Quarter
Change in short-term portion of credit facility	`ProceedsFromRepaymentsOfLinesOfCredit`	$15.50M	USD	1 Quarter
Change in short-term portion of credit facility	`ProceedsFromRepaymentsOfLinesOfCredit`	$15.50M	USD	1 Quarter
Change in short-term portion of credit facility	`ProceedsFromRepaymentsOfLinesOfCredit`	$-155.00M	USD	1 Quarter
Change in short-term portion of credit facility	`ProceedsFromRepaymentsOfLinesOfCredit`	$-155.00M	USD	1 Quarter
Change in long-term credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	-	USD	1 Quarter
Change in long-term credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	-	USD	1 Quarter
Change in long-term credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$-50.00M	USD	1 Quarter
Change in long-term credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$-50.00M	USD	1 Quarter
Issuance of short-term debt	`ProceedsFromShortTermDebt`	-	USD	1 Quarter
Issuance of short-term debt	`ProceedsFromShortTermDebt`	-	USD	1 Quarter
Issuance of short-term debt	`ProceedsFromShortTermDebt`	$450.00M	USD	1 Quarter
Issuance of short-term debt	`ProceedsFromShortTermDebt`	$450.00M	USD	1 Quarter
Repayment of short-term debt	`RepaymentsOfShortTermDebt`	$1.37B	USD	1 Quarter
Repayment of short-term debt	`RepaymentsOfShortTermDebt`	$1.37B	USD	1 Quarter
Repayment of short-term debt	`RepaymentsOfShortTermDebt`	-	USD	1 Quarter
Repayment of short-term debt	`RepaymentsOfShortTermDebt`	-	USD	1 Quarter
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.97M	USD	1 Quarter
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.97M	USD	1 Quarter
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.51M	USD	1 Quarter
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.51M	USD	1 Quarter
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-3.19M	USD	1 Quarter
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-3.19M	USD	1 Quarter
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-4.95M	USD	1 Quarter
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-4.95M	USD	1 Quarter
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$7.69M	USD	1 Quarter
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$7.69M	USD	1 Quarter
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-714.82M	USD	1 Quarter
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-714.82M	USD	1 Quarter
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$104.00K	USD	1 Quarter
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$104.00K	USD	1 Quarter
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-197.00K	USD	1 Quarter
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-197.00K	USD	1 Quarter
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-64.80M	USD	1 Quarter
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-64.80M	USD	1 Quarter
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$351.42M	USD	1 Quarter
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$351.42M	USD	1 Quarter
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$123.08M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$123.08M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$457.95M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$457.95M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$82.08M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$82.08M	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 end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$123.08M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$123.08M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$457.95M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$457.95M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$82.08M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$82.08M	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
Interest paid, net of amounts capitalized	`InterestPaidNet`	$65.28M	USD	1 Quarter
Interest paid, net of amounts capitalized	`InterestPaidNet`	$65.28M	USD	1 Quarter
Interest paid, net of amounts capitalized	`InterestPaidNet`	$68.02M	USD	1 Quarter
Interest paid, net of amounts capitalized	`InterestPaidNet`	$68.02M	USD	1 Quarter
Income taxes paid, net	`IncomeTaxesPaidNet`	$1.83M	USD	1 Quarter
Income taxes paid, net	`IncomeTaxesPaidNet`	$1.83M	USD	1 Quarter
Income taxes paid, net	`IncomeTaxesPaidNet`	$2.38M	USD	1 Quarter
Income taxes paid, net	`IncomeTaxesPaidNet`	$2.38M	USD	1 Quarter

Stockholders Equity 14 line items

Line Item	Tag	Value	Unit	Period
Beginning balance (in shares)	`CommonStockSharesOutstanding`	71.56M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	71.56M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	71.67M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	71.67M	shares	Point-in-time
Redemption value adjustments	`MinorityInterestChangeInRedemptionValue`	$194.00K	USD	1 Quarter
Redemption value adjustments	`MinorityInterestChangeInRedemptionValue`	$194.00K	USD	1 Quarter
Ending balance (in shares)	`CommonStockSharesOutstanding`	71.56M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	71.56M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	71.67M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	71.67M	shares	Point-in-time
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

Comprehensive Income 40 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$87.56M	USD	1 Quarter
Net income	`ProfitLoss`	$87.56M	USD	1 Quarter
Net income	`ProfitLoss`	$47.65M	USD	1 Quarter
Net income	`ProfitLoss`	$47.65M	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$33.00K	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$33.00K	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$33.00K	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$33.00K	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-1.45M	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-1.45M	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-253.00K	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-253.00K	USD	1 Quarter
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$90.00K	USD	1 Quarter
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$90.00K	USD	1 Quarter
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$1.10M	USD	1 Quarter
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$1.10M	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-384.00K	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-384.00K	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-196.00K	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-196.00K	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$97.00K	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$97.00K	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-2.82M	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-2.82M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$293.00K	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$293.00K	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.44M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.44M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$85.13M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$85.13M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$47.94M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$47.94M	USD	1 Quarter
Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-175.00K	USD	1 Quarter
Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$-175.00K	USD	1 Quarter
Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.74M	USD	1 Quarter
Comprehensive income (loss) attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.74M	USD	1 Quarter
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$46.20M	USD	1 Quarter
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$46.20M	USD	1 Quarter
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$85.30M	USD	1 Quarter
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$85.30M	USD	1 Quarter

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