10-K Filing

SOUTHWEST GAS HOLDINGS, INC. CIK: 1692115 FY 2023

Filing Information

Form Type	10-K
Accession Number	`0001692115-24-000038`
Period End Date	20231231
Filing Date	20240228
Fiscal Year	2023
Fiscal Period	FY
XBRL Instance	swx-20231231_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 95 Income Statement 69 Cash Flow Statement 121 Stockholders Equity 12 Comprehensive Income 39

Balance Sheet 95 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, 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`	67.12M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	71.56M	shares	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$9.45B	USD	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$10.14B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.82B	USD	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	71.56M	shares	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.67B	USD	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	67.12M	shares	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$244.75M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$200.55M	USD	Point-in-time
Net regulated operations plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$7.02B	USD	Point-in-time
Net regulated operations plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$7.52B	USD	Point-in-time
Other property and investments, net	`OtherPropertyAndInvestments`	$1.28B	USD	Point-in-time
Other property and investments, net	`OtherPropertyAndInvestments`	$1.27B	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$106.54M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$123.08M	USD	Point-in-time
Accounts receivable, net of allowances	`AccountsReceivableNetCurrent`	$866.25M	USD	Point-in-time
Accounts receivable, net of allowances	`AccountsReceivableNetCurrent`	$886.55M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$88.10M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$93.00M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$1.94M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$8.74M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$552.88M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$450.12M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$433.85M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$218.83M	USD	Point-in-time
Current assets held for sale	`AssetsHeldForSaleNotPartOfDisposalGroupCurrent`	$1.74B	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`	$3.71B	USD	Point-in-time
Goodwill	`Goodwill`	$789.73M	USD	Point-in-time
Goodwill	`Goodwill`	$787.25M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$463.00K	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$82.00K	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$414.01M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$395.95M	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.20B	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$1.18B	USD	Point-in-time
Total assets	`Assets`	$11.87B	USD	Point-in-time
Total assets	`Assets`	$13.20B	USD	Point-in-time
Total assets	`Assets`	$12.77B	USD	Point-in-time
Common stock, $1 par (authorized 120,000,000 shares; issued and outstanding 71,563,750 and 67,119,143 shares)	`CommonStockValue`	$73.19M	USD	Point-in-time
Common stock, $1 par (authorized 120,000,000 shares; issued and outstanding 71,563,750 and 67,119,143 shares)	`CommonStockValue`	$68.75M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.29B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$2.54B	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-43.79M	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-44.24M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$747.07M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$738.84M	USD	Point-in-time
Total Southwest Gas Holdings, Inc. equity	`StockholdersEquity`	$3.06B	USD	Point-in-time
Total Southwest Gas Holdings, Inc. equity	`StockholdersEquity`	$3.31B	USD	Point-in-time
Redeemable noncontrolling interests	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$196.72M	USD	Point-in-time
Redeemable noncontrolling interests	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$159.35M	USD	Point-in-time
Redeemable noncontrolling interests	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$104.67M	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$4.61B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$4.40B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$8.02B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$7.62B	USD	Point-in-time
Commitments and contingencies (Note 10)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Commitments and contingencies (Note 10)	`CommitmentsAndContingencies`	-	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$42.55M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$44.56M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$628.50M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$1.54B	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$662.09M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$346.91M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$48.46M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$51.18M	USD	Point-in-time
Income taxes payable, net	`IncomeTaxesPayableNet`	$817.00K	USD	Point-in-time
Income taxes payable, net	`IncomeTaxesPayableNet`	$2.69M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$67.09M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$58.05M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$38.56M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$36.60M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$369.74M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$522.95M	USD	Point-in-time
Current liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	$644.25M	USD	Point-in-time
Current liabilities held for sale	`LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent`	-	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$3.42B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.68B	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`	$682.07M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$458.00M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$445.00M	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`	$1.03B	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`	$2.16B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$11.87B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$13.20B	USD	Point-in-time

Income Statement 69 line items

Line Item	Tag	Value	Unit	Period
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$1.52B	USD	Annual
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$2.53B	USD	Annual
Regulated operations revenues	`RegulatedOperatingRevenueGas`	$2.20B	USD	Annual
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$2.76B	USD	Annual
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$2.16B	USD	Annual
Utility infrastructure services revenues	`RegulatedOperatingRevenueUtilityInfrastructureServices`	$2.90B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$3.68B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$4.96B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$5.43B	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$1.25B	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$799.06M	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$430.91M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$473.15M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$544.08M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$636.77M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$470.45M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$371.04M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$440.91M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$80.34M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$93.38M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$88.75M	USD	Annual
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.96B	USD	Annual
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$2.62B	USD	Annual
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$2.53B	USD	Annual
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	$71.23M	USD	Annual
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	-	USD	Annual
Goodwill impairment and loss on sale	`GoodwillImpairmentAndLossOnSale`	$455.43M	USD	Annual
Total operating expenses	`CostsAndExpenses`	$4.98B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$5.02B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$3.31B	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$418.33M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$369.55M	USD	Annual
Operating income (loss)	`OperatingIncomeLoss`	$-24.40M	USD	Annual
Net interest deductions	`InterestExpense`	$292.29M	USD	Annual
Net interest deductions	`InterestExpense`	$119.20M	USD	Annual
Net interest deductions	`InterestExpense`	$242.75M	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-3.50M	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-6.19M	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$71.31M	USD	Annual
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-220.98M	USD	Annual
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-248.94M	USD	Annual
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-122.70M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$-273.34M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$246.85M	USD	Annual
Income (loss) before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$197.35M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$-75.65M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$41.83M	USD	Annual
Income tax expense (benefit)	`IncomeTaxExpenseBenefit`	$39.65M	USD	Annual
Net income (loss)	`ProfitLoss`	$-197.68M	USD	Annual
Net income (loss)	`ProfitLoss`	$155.52M	USD	Annual
Net income (loss)	`ProfitLoss`	$207.20M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$4.63M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$6.42M	USD	Annual
Net income attributable to noncontrolling interests	`NetIncomeLossAttributableToNoncontrollingInterest`	$5.61M	USD	Annual
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$200.78M	USD	Annual
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$-203.29M	USD	Annual
Net income (loss) attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$150.89M	USD	Annual
Basic (in USD per share)	`EarningsPerShareBasic`	$-3.10	USD	Annual
Basic (in USD per share)	`EarningsPerShareBasic`	$2.13	USD	Annual
Basic (in USD per share)	`EarningsPerShareBasic`	$3.39	USD	Annual
Diluted (in USD per share)	`EarningsPerShareDiluted`	$3.39	USD	Annual
Diluted (in USD per share)	`EarningsPerShareDiluted`	$2.13	USD	Annual
Diluted (in USD per share)	`EarningsPerShareDiluted`	$-3.10	USD	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	70.79M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	59.15M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	65.56M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	70.99M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	59.26M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	65.56M	shares	Annual

Cash Flow Statement 121 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`ProfitLoss`	$-197.68M	USD	Annual
Net income (loss)	`ProfitLoss`	$155.52M	USD	Annual
Net income (loss)	`ProfitLoss`	$207.20M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$470.45M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$371.04M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$440.91M	USD	Annual
Impairment of assets and other charges	`ImpairmentOfAssetsAndOtherCharges`	-	USD	Annual
Impairment of assets and other charges	`ImpairmentOfAssetsAndOtherCharges`	$71.23M	USD	Annual
Impairment of assets and other charges	`ImpairmentOfAssetsAndOtherCharges`	$455.43M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-56.77M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-61.21M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$72.05M	USD	Annual
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$4.68M	USD	Annual
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$6.91M	USD	Annual
Gains on sale of property and equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$7.87M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$8.08M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$9.45M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$9.29M	USD	Annual
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	-	USD	Annual
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$465.00K	USD	Annual
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$1.95M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$22.58M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$51.55M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$193.78M	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInAccruedUtilityRevenue`	$3.20M	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInAccruedUtilityRevenue`	$4.90M	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInAccruedUtilityRevenue`	$2.50M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$117.77M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$147.22M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$343.73M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$293.91M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$50.43M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-286.16M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$17.93M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$-6.72M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$-2.30M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-304.11M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$89.21M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$207.85M	USD	Annual
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$13.54M	USD	Annual
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$10.44M	USD	Annual
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-16.89M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-76.61M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-73.63M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-26.48M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$111.38M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$407.46M	USD	Annual
Net cash provided by operating activities	`NetCashProvidedByUsedInOperatingActivities`	$509.21M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$872.52M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$715.63M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$859.42M	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$2.35B	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$18.81M	USD	Annual
Proceeds from the sale of business, net of cash sold	`ProceedsFromDivestitureOfBusinesses`	-	USD	Annual
Proceeds from the sale of business, net of cash sold	`ProceedsFromDivestitureOfBusinesses`	-	USD	Annual
Proceeds from the sale of business, net of cash sold	`ProceedsFromDivestitureOfBusinesses`	$1.02B	USD	Annual
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$15.97M	USD	Annual
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$21.51M	USD	Annual
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$-8.90M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-9.91M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-18.26M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-17.82M	USD	Annual
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$150.97M	USD	Annual
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-838.90M	USD	Annual
Net cash provided by (used in) investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-3.04B	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$251.76M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$213.64M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$461.83M	USD	Annual
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	-	USD	Annual
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	$39.89M	USD	Annual
Centuri distribution to redeemable noncontrolling interest	`DistributionToRedeemableNoncontrollingInterest`	$39.65M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$160.56M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$174.57M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$138.22M	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$1.04B	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$1.07B	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$1.66B	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$452.66M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$499.91M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$248.33M	USD	Annual
Change in long-term credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$-50.00M	USD	Annual
Change in long-term credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$-20.00M	USD	Annual
Change in long-term credit facility and commercial paper	`ProceedsFromRepaymentsOfLinesOfCreditAndCommercialPaper`	$-80.00M	USD	Annual
Issuance of short-term debt	`ProceedsFromShortTermDebt`	-	USD	Annual
Issuance of short-term debt	`ProceedsFromShortTermDebt`	$450.00M	USD	Annual
Issuance of short-term debt	`ProceedsFromShortTermDebt`	$1.85B	USD	Annual
Other changes in short-term debt	`OtherChangeInShortTermDebt`	$-48.00M	USD	Annual
Other changes in short-term debt	`OtherChangeInShortTermDebt`	$-1.92B	USD	Annual
Other changes in short-term debt	`OtherChangeInShortTermDebt`	$-366.19M	USD	Annual
Withholding remittance share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.99M	USD	Annual
Withholding remittance share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.26M	USD	Annual
Withholding remittance share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.66M	USD	Annual
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-15.88M	USD	Annual
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-729.00K	USD	Annual
Other, including principal payments on finance leases	`ProceedsFromPaymentsForOtherFinancingActivities`	$-24.17M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-700.79M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$3.06B	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$356.48M	USD	Annual
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-854.00K	USD	Annual
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$160.00K	USD	Annual
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$273.00K	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectContinuingOperations`	$-75.82M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectContinuingOperations`	$-40.34M	USD	Annual
Change in cash and cash equivalents included in current assets held for sale	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectDisposalGroupIncludingDiscontinuedOperations`	$-23.80M	USD	Annual
Change in cash and cash equivalents included in current assets held for sale	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffectDisposalGroupIncludingDiscontinuedOperations`	$23.80M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$139.34M	USD	Annual
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$83.35M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$222.70M	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`	$106.54M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$83.35M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$222.70M	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`	$106.54M	USD	Point-in-time
Interest paid, net of amounts capitalized	`InterestPaidNet`	$282.63M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$219.82M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$104.35M	USD	Annual
Income taxes paid, net	`IncomeTaxesPaidNet`	$12.00M	USD	Annual
Income taxes paid, net	`IncomeTaxesPaidNet`	$4.21M	USD	Annual
Income taxes paid, net	`IncomeTaxesPaidNet`	$9.37M	USD	Annual

Stockholders Equity 12 line items

Line Item	Tag	Value	Unit	Period
Beginning balance (in shares)	`CommonStockSharesOutstanding`	71.56M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	67.12M	shares	Point-in-time
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-416.00K	USD	Annual
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	Annual
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.65M	USD	Annual
Redemption value adjustments	`MinorityInterestChangeInRedemptionValue`	$-19.37M	USD	Annual
Redemption value adjustments	`MinorityInterestChangeInRedemptionValue`	$-3.33M	USD	Annual
Ending balance (in shares)	`CommonStockSharesOutstanding`	71.56M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	67.12M	shares	Point-in-time
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$2.48	USD	Annual
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$2.48	USD	Annual
Dividends declared per common share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$2.38	USD	Annual

Comprehensive Income 39 line items

Line Item	Tag	Value	Unit	Period
Net income (loss)	`ProfitLoss`	$-197.68M	USD	Annual
Net income (loss)	`ProfitLoss`	$155.52M	USD	Annual
Net income (loss)	`ProfitLoss`	$207.20M	USD	Annual
Net actuarial gain (loss)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-2.42M	USD	Annual
Net actuarial gain (loss)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$3.10M	USD	Annual
Net actuarial gain (loss)	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$44.97M	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$133.00K	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$729.00K	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$133.00K	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-1.01M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-26.46M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-33.89M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$67.03M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$21.46M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$1.01M	USD	Annual
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-8.24M	USD	Annual
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-12.57M	USD	Annual
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$2.29M	USD	Annual
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-416.00K	USD	Annual
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	-	USD	Annual
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-1.65M	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$1.65M	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$416.00K	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	-	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-6.13M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$2.74M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$20.00K	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$455.00K	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.52M	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$14.24M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$221.44M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$155.97M	USD	Annual
Comprehensive income (loss)	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$-195.16M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$4.63M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$5.61M	USD	Annual
Comprehensive income attributable to noncontrolling interests	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$6.42M	USD	Annual
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$-200.77M	USD	Annual
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$151.34M	USD	Annual
Comprehensive income (loss) attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$215.02M	USD	Annual

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