10-Q Filing

SOUTHWEST GAS HOLDINGS, INC. CIK: 1692115 Q1 2021

Filing Information

Form Type	10-Q
Accession Number	`0001692115-21-000024`
Period End Date	20210331
Filing Date	20210506
Fiscal Year	2021
Fiscal Period	Q1
XBRL Instance	swx-20210331_htm.xml

Filing Contents

This filing contains the following financial statements:

Balance Sheet 88 Income Statement 88 Cash Flow Statement 138 Stockholders Equity 11 Comprehensive Income 56

Balance Sheet 88 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`	120.00M	shares	Point-in-time
Common stock, authorized (in shares)	`CommonStockSharesAuthorized`	120.00M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	57.19M	shares	Point-in-time
Common stock, issued (in shares)	`CommonStockSharesIssued`	58.00M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	58.00M	shares	Point-in-time
Common stock, outstanding (in shares)	`CommonStockSharesOutstanding`	57.19M	shares	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$8.48B	USD	Point-in-time
Gas plant	`PublicUtilitiesPropertyPlantandEquipmentGasPlant`	$8.38B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.45B	USD	Point-in-time
Less: accumulated depreciation	`PublicUtilitiesPropertyPlantAndEquipmentAccumulatedDepreciation`	$2.42B	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$211.43M	USD	Point-in-time
Construction work in progress	`PublicUtilitiesPropertyPlantAndEquipmentConstructionWorkInProgress`	$215.40M	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$6.24B	USD	Point-in-time
Net utility plant	`PublicUtilitiesPropertyPlantAndEquipmentNet`	$6.18B	USD	Point-in-time
Other property and investments	`OtherPropertyAndInvestments`	$842.67M	USD	Point-in-time
Other property and investments	`OtherPropertyAndInvestments`	$834.25M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$83.35M	USD	Point-in-time
Cash and cash equivalents	`CashAndCashEquivalentsAtCarryingValue`	$92.34M	USD	Point-in-time
Accounts receivable, net of allowances	`AccountsReceivableNetCurrent`	$479.18M	USD	Point-in-time
Accounts receivable, net of allowances	`AccountsReceivableNetCurrent`	$522.17M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$50.50M	USD	Point-in-time
Accrued utility revenue	`AccruedUtilityRevenue`	$82.40M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$10.88M	USD	Point-in-time
Income taxes receivable, net	`IncomeTaxesReceivable`	$6.52M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$2.05M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasCost`	$238.89M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$133.47M	USD	Point-in-time
Prepaid and other current assets	`PrepaidExpenseAndOtherAssetsCurrent`	$170.15M	USD	Point-in-time
Total current assets	`AssetsCurrent`	$1.00B	USD	Point-in-time
Total current assets	`AssetsCurrent`	$871.01M	USD	Point-in-time
Goodwill	`Goodwill`	$345.18M	USD	Point-in-time
Goodwill	`Goodwill`	$346.55M	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$455.00K	USD	Point-in-time
Deferred income taxes	`DeferredIncomeTaxAssetsNet`	$563.00K	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$497.19M	USD	Point-in-time
Deferred charges and other assets	`OtherAssetsNoncurrent`	$508.88M	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$844.30M	USD	Point-in-time
Total noncurrent assets	`AssetsNoncurrentOtherThanNoncurrentInvestmentsAndPropertyPlantAndEquipment`	$854.51M	USD	Point-in-time
Total assets	`Assets`	$8.93B	USD	Point-in-time
Total assets	`Assets`	$8.74B	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 57,995,563 and 57,192,925 shares)	`CommonStockValue`	$59.62M	USD	Point-in-time
Common stock, $1 par (authorized - 120,000,000 shares; issued and outstanding - 57,995,563 and 57,192,925 shares)	`CommonStockValue`	$58.82M	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.61B	USD	Point-in-time
Additional paid-in capital	`AdditionalPaidInCapitalCommonStock`	$1.66B	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-58.39M	USD	Point-in-time
Accumulated other comprehensive loss, net	`AccumulatedOtherComprehensiveIncomeLossNetOfTax`	$-61.00M	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.11B	USD	Point-in-time
Retained earnings	`RetainedEarningsAccumulatedDeficit`	$1.07B	USD	Point-in-time
Total equity	`StockholdersEquity`	$2.67B	USD	Point-in-time
Total equity	`StockholdersEquity`	$2.77B	USD	Point-in-time
Redeemable noncontrolling interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$165.72M	USD	Point-in-time
Redeemable noncontrolling interest	`RedeemableNoncontrollingInterestEquityCarryingAmount`	$205.29M	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$2.70B	USD	Point-in-time
Long-term debt, less current maturities	`LongTermDebtNoncurrent`	$2.73B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$5.57B	USD	Point-in-time
Total capitalization	`CapitalizationLongtermDebtAndEquity`	$5.68B	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$40.43M	USD	Point-in-time
Current maturities of long-term debt	`LongTermDebtCurrent`	$67.33M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$310.00M	USD	Point-in-time
Short-term debt	`ShortTermBorrowings`	$107.00M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$182.81M	USD	Point-in-time
Accounts payable	`AccountsPayableCurrent`	$231.30M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$67.92M	USD	Point-in-time
Customer deposits	`ContractWithCustomerLiabilityCurrent`	$67.12M	USD	Point-in-time
Income taxes payable, net	`AccruedIncomeTaxesCurrent`	$12.56M	USD	Point-in-time
Income taxes payable, net	`AccruedIncomeTaxesCurrent`	$19.36M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$48.64M	USD	Point-in-time
Accrued general taxes	`AccrualForTaxesOtherThanIncomeTaxesCurrent`	$72.10M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$20.54M	USD	Point-in-time
Accrued interest	`InterestPayableCurrent`	$34.57M	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasPurchasesCurrent`	-	USD	Point-in-time
Deferred purchased gas costs	`DeferredGasPurchasesCurrent`	$54.64M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$282.75M	USD	Point-in-time
Other current liabilities	`OtherLiabilitiesCurrent`	$328.94M	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$1.04B	USD	Point-in-time
Total current liabilities	`LiabilitiesCurrent`	$911.97M	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$647.45M	USD	Point-in-time
Deferred income taxes and investment tax credits, net	`DeferredIncomeTaxesAndUnamortizedInvestmentTaxCredits`	$671.57M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$407.00M	USD	Point-in-time
Accumulated removal costs	`OtherAccruedLiabilitiesNoncurrent`	$404.00M	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$1.20B	USD	Point-in-time
Other deferred credits and other long-term liabilities	`DeferredCreditsAndOtherLiabilitiesNoncurrent`	$1.14B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.25B	USD	Point-in-time
Total deferred income taxes and other credits	`OtherLiabilitiesNoncurrent`	$2.22B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$8.74B	USD	Point-in-time
Total capitalization and liabilities	`LiabilitiesAndStockholdersEquity`	$8.93B	USD	Point-in-time

Income Statement 88 line items

Line Item	Tag	Value	Unit	Period
Gas operating revenues	`RegulatedOperatingRevenueGas`	$1.35B	USD	Annual
Gas operating revenues	`RegulatedOperatingRevenueGas`	$1.37B	USD	Annual
Gas operating revenues	`RegulatedOperatingRevenueGas`	$521.93M	USD	1 Quarter
Gas operating revenues	`RegulatedOperatingRevenueGas`	$502.83M	USD	1 Quarter
Utility infrastructure services revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$535.52M	USD	1 Quarter
Utility infrastructure services revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.37B	USD	Annual
Utility infrastructure services revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$504.79M	USD	1 Quarter
Utility infrastructure services revenues	`RevenueFromContractWithCustomerExcludingAssessedTax`	$1.34B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$3.12B	USD	Annual
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$836.32M	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$885.91M	USD	1 Quarter
Total operating revenues	`RegulatedAndUnregulatedOperatingRevenue`	$3.35B	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$156.02M	USD	1 Quarter
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$353.38M	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$338.04M	USD	Annual
Net cost of gas sold	`UtilitiesOperatingExpenseGasAndPetroleumPurchased`	$160.82M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$106.69M	USD	1 Quarter
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$421.69M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$411.02M	USD	Annual
Operations and maintenance	`UtilitiesOperatingExpenseMaintenanceAndOperations`	$103.78M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$93.44M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$337.82M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$87.65M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$313.35M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$67.77M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$62.50M	USD	Annual
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$20.69M	USD	1 Quarter
Taxes other than income taxes	`TaxesExcludingIncomeAndExciseTaxes`	$16.38M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.59B	USD	Annual
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$319.31M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$335.61M	USD	1 Quarter
Utility infrastructure services expenses	`CostOfGoodsAndServicesSold`	$1.75B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$2.90B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$2.74B	USD	Annual
Total operating expenses	`CostsAndExpenses`	$687.95M	USD	1 Quarter
Total operating expenses	`CostsAndExpenses`	$712.45M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$379.70M	USD	Annual
Operating income	`OperatingIncomeLoss`	$448.08M	USD	Annual
Operating income	`OperatingIncomeLoss`	$173.45M	USD	1 Quarter
Operating income	`OperatingIncomeLoss`	$148.37M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$107.06M	USD	Annual
Net interest deductions	`InterestExpense`	$111.21M	USD	Annual
Net interest deductions	`InterestExpense`	$28.38M	USD	1 Quarter
Net interest deductions	`InterestExpense`	$23.96M	USD	1 Quarter
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-17.52M	USD	Annual
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$448.00K	USD	1 Quarter
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$-20.77M	USD	1 Quarter
Other income (deductions)	`OtherNonoperatingIncomeExpense`	$14.43M	USD	Annual
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-92.63M	USD	Annual
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-23.52M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-49.15M	USD	1 Quarter
Total other income and (expenses)	`NonoperatingIncomeExpense`	$-128.73M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$355.45M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$149.94M	USD	1 Quarter
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$250.97M	USD	Annual
Income before income taxes	`IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest`	$99.22M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$26.22M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$31.09M	USD	1 Quarter
Income tax expense	`IncomeTaxExpenseBenefit`	$56.70M	USD	Annual
Income tax expense	`IncomeTaxExpenseBenefit`	$70.63M	USD	Annual
Net income	`ProfitLoss`	$73.00M	USD	1 Quarter
Net income	`ProfitLoss`	$194.27M	USD	Annual
Net income	`ProfitLoss`	$284.82M	USD	Annual
Net income	`ProfitLoss`	$118.84M	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$1.55M	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$7.75M	USD	Annual
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$463.00K	USD	1 Quarter
Net income attributable to noncontrolling interest	`NetIncomeLossAttributableToNoncontrollingInterest`	$2.60M	USD	Annual
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$117.29M	USD	1 Quarter
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$191.67M	USD	Annual
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$277.07M	USD	Annual
Net income attributable to Southwest Gas Holdings, Inc.	`NetIncomeLoss`	$72.54M	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$2.04	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$4.90	USD	Annual
Basic (in USD per share)	`EarningsPerShareBasic`	$1.31	USD	1 Quarter
Basic (in USD per share)	`EarningsPerShareBasic`	$3.50	USD	Annual
Diluted (in USD per share)	`EarningsPerShareDiluted`	$3.50	USD	Annual
Diluted (in USD per share)	`EarningsPerShareDiluted`	$1.31	USD	1 Quarter
Diluted (in USD per share)	`EarningsPerShareDiluted`	$4.89	USD	Annual
Diluted (in USD per share)	`EarningsPerShareDiluted`	$2.03	USD	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	57.60M	shares	1 Quarter
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	56.56M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	54.73M	shares	Annual
Basic (in shares)	`WeightedAverageNumberOfSharesOutstandingBasic`	55.31M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	54.79M	shares	Annual
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	57.68M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	55.36M	shares	1 Quarter
Diluted (in shares)	`WeightedAverageNumberOfDilutedSharesOutstanding`	56.65M	shares	Annual

Cash Flow Statement 138 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$73.00M	USD	1 Quarter
Net income	`ProfitLoss`	$194.27M	USD	Annual
Net income	`ProfitLoss`	$284.82M	USD	Annual
Net income	`ProfitLoss`	$118.84M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$93.44M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$337.82M	USD	Annual
Depreciation and amortization	`DepreciationAndAmortization`	$87.65M	USD	1 Quarter
Depreciation and amortization	`DepreciationAndAmortization`	$313.35M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-54.55M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-25.31M	USD	1 Quarter
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-48.73M	USD	Annual
Deferred income taxes	`IncreaseDecreaseInDeferredIncomeTaxes`	$-23.33M	USD	1 Quarter
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$-42.89M	USD	1 Quarter
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$-45.84M	USD	1 Quarter
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$51.72M	USD	Annual
Accounts receivable, net of allowances	`IncreaseDecreaseInAccountsReceivable`	$-7.15M	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$1.10M	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$-31.90M	USD	1 Quarter
Accrued utility revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$2.40M	USD	Annual
Accrued utility revenue	`IncreaseDecreaseInContractWithCustomerAsset`	$-31.00M	USD	1 Quarter
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$265.38M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$-19.53M	USD	Annual
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$-10.15M	USD	1 Quarter
Deferred purchased gas costs	`IncreaseDecreaseInDeferredGasCost`	$291.47M	USD	1 Quarter
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$11.88M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-60.72M	USD	1 Quarter
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-49.95M	USD	Annual
Accounts payable	`IncreaseDecreaseInAccountsPayable`	$-41.15M	USD	1 Quarter
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$10.22M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$30.38M	USD	1 Quarter
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$19.43M	USD	Annual
Accrued taxes	`IncreaseDecreaseInAccruedTaxesPayable`	$34.64M	USD	1 Quarter
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-76.45M	USD	1 Quarter
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$5.25M	USD	1 Quarter
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-25.72M	USD	Annual
Other current assets and liabilities	`IncreaseDecreaseInOtherCurrentAssetsAndLiabilitiesNet`	$-102.74M	USD	Annual
Gains on sale of equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$1.51M	USD	1 Quarter
Gains on sale of equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$3.33M	USD	Annual
Gains on sale of equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$28.00K	USD	1 Quarter
Gains on sale of equipment	`GainLossOnSaleOfPropertyPlantEquipment`	$5.27M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$6.52M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$2.82M	USD	1 Quarter
Changes in undistributed stock compensation	`ShareBasedCompensation`	$7.96M	USD	Annual
Changes in undistributed stock compensation	`ShareBasedCompensation`	$3.66M	USD	1 Quarter
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$981.00K	USD	1 Quarter
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$4.26M	USD	Annual
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$1.06M	USD	1 Quarter
Equity AFUDC	`IncreaseDecreaseInAllowanceForEquityFundsUsedDuringConstruction`	$4.64M	USD	Annual
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$10.38M	USD	1 Quarter
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-6.50M	USD	1 Quarter
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$-1.77M	USD	Annual
Changes in deferred charges and other assets	`IncreaseDecreaseInOtherOperatingAssets`	$49.47M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-55.72M	USD	1 Quarter
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-50.42M	USD	1 Quarter
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-57.37M	USD	Annual
Changes in other liabilities and deferred credits	`IncreaseDecreaseInOtherOperatingLiabilities`	$-65.70M	USD	Annual
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$-52.46M	USD	1 Quarter
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$583.83M	USD	Annual
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$271.57M	USD	1 Quarter
Net cash provided by (used in) operating activities	`NetCashProvidedByUsedInOperatingActivities`	$302.06M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$938.14M	USD	Annual
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$152.71M	USD	1 Quarter
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$210.66M	USD	1 Quarter
Construction expenditures and property additions	`PaymentsToAcquirePropertyPlantAndEquipment`	$767.16M	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	1 Quarter
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	1 Quarter
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	$47.64M	USD	Annual
Acquisition of businesses, net of cash acquired	`PaymentsToAcquireBusinessesNetOfCashAcquired`	-	USD	Annual
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$5.43M	USD	1 Quarter
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$12.88M	USD	Annual
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$4.29M	USD	1 Quarter
Changes in customer advances	`ChangesInCustomerAdvancesInvestingActivities`	$21.36M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-4.43M	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-3.56M	USD	1 Quarter
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-19.32M	USD	Annual
Other	`PaymentsForProceedsFromOtherInvestingActivities`	$-8.14M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-144.86M	USD	1 Quarter
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-746.14M	USD	Annual
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-200.79M	USD	1 Quarter
Net cash used in investing activities	`NetCashProvidedByUsedInInvestingActivities`	$-945.10M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$135.22M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$185.09M	USD	Annual
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$3.15M	USD	1 Quarter
Issuance of common stock, net	`ProceedsFromIssuanceOfCommonStock`	$48.99M	USD	1 Quarter
Dividends paid	`PaymentsOfDividendsCommonStock`	$118.53M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$30.01M	USD	1 Quarter
Dividends paid	`PaymentsOfDividendsCommonStock`	$128.12M	USD	Annual
Dividends paid	`PaymentsOfDividendsCommonStock`	$32.62M	USD	1 Quarter
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$573.06M	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$10.66M	USD	1 Quarter
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$601.91M	USD	Annual
Issuance of long-term debt, net	`ProceedsFromIssuanceOfLongTermDebt`	$99.98M	USD	1 Quarter
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$75.17M	USD	1 Quarter
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$257.80M	USD	Annual
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$21.23M	USD	1 Quarter
Retirement of long-term debt	`RepaymentsOfLongTermDebt`	$302.47M	USD	Annual
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$203.00M	USD	1 Quarter
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-54.00M	USD	1 Quarter
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$-31.00M	USD	Annual
Change in short-term debt	`ProceedsFromRepaymentsOfShortTermDebt`	$153.00M	USD	Annual
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.74M	USD	1 Quarter
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.24M	USD	Annual
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$1.24M	USD	1 Quarter
Withholding remittance - share-based compensation	`PaymentsRelatedToTaxWithholdingForShareBasedCompensation`	$2.76M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-250.00K	USD	1 Quarter
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-4.50M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-1.61M	USD	Annual
Other	`ProceedsFromPaymentsForOtherFinancingActivities`	$-1.35M	USD	1 Quarter
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$325.42M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$206.21M	USD	1 Quarter
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$474.81M	USD	Annual
Net cash provided by (used in) financing activities	`NetCashProvidedByUsedInFinancingActivities`	$-59.03M	USD	1 Quarter
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-222.00K	USD	Annual
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$646.00K	USD	Annual
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$-315.00K	USD	1 Quarter
Effects of currency translation on cash and cash equivalents	`EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$103.00K	USD	1 Quarter
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$8.99M	USD	1 Quarter
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$31.38M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$-36.07M	USD	Annual
Change in cash and cash equivalents	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect`	$11.43M	USD	1 Quarter
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$92.34M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$60.97M	USD	Point-in-time
Cash and cash equivalents at beginning of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$83.35M	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`	$49.54M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$92.34M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$60.97M	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`	$97.04M	USD	Point-in-time
Cash and cash equivalents at end of period	`CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents`	$49.54M	USD	Point-in-time
Interest paid, net of amounts capitalized	`InterestPaidNet`	$100.41M	USD	Annual
Interest paid, net of amounts capitalized	`InterestPaidNet`	$8.30M	USD	1 Quarter
Interest paid, net of amounts capitalized	`InterestPaidNet`	$13.07M	USD	1 Quarter
Interest paid, net of amounts capitalized	`InterestPaidNet`	$99.48M	USD	Annual
Income taxes paid (received), net	`IncomeTaxesPaidNet`	$-17.77M	USD	Annual
Income taxes paid (received), net	`IncomeTaxesPaidNet`	$1.65M	USD	1 Quarter
Income taxes paid (received), net	`IncomeTaxesPaidNet`	$10.76M	USD	Annual
Income taxes paid (received), net	`IncomeTaxesPaidNet`	$-20.06M	USD	1 Quarter

Stockholders Equity 11 line items

Line Item	Tag	Value	Unit	Period
Beginning balance (in shares)	`CommonStockSharesOutstanding`	58.00M	shares	Point-in-time
Beginning balance (in shares)	`CommonStockSharesOutstanding`	57.19M	shares	Point-in-time
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-636.00K	USD	1 Quarter
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-2.24M	USD	Annual
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-2.54M	USD	Annual
FSIRS amounts reclassified to net income, net of tax	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-413.00K	USD	1 Quarter
Redemption value adjustments	`MinorityInterestChangeInRedemptionValue`	$38.02M	USD	1 Quarter
Ending balance (in shares)	`CommonStockSharesOutstanding`	58.00M	shares	Point-in-time
Ending balance (in shares)	`CommonStockSharesOutstanding`	57.19M	shares	Point-in-time
Dividends declared per share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.57	USD	1 Quarter
Dividends declared per share (in USD per share)	`CommonStockDividendsPerShareDeclared`	$0.59	USD	1 Quarter

Comprehensive Income 56 line items

Line Item	Tag	Value	Unit	Period
Net income	`ProfitLoss`	$73.00M	USD	1 Quarter
Net income	`ProfitLoss`	$194.27M	USD	Annual
Net income	`ProfitLoss`	$284.82M	USD	Annual
Net income	`ProfitLoss`	$118.84M	USD	1 Quarter
Net actuarial loss	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Net actuarial loss	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-54.03M	USD	Annual
Net actuarial loss	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	$-43.73M	USD	Annual
Net actuarial loss	`OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$840.00K	USD	Annual
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$220.00K	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$182.00K	USD	1 Quarter
Amortization of prior service cost	`OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditNetOfTax`	$945.00K	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-30.04M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-20.51M	USD	Annual
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-8.47M	USD	1 Quarter
Amortization of net actuarial loss	`OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetGainLossNetOfTax`	$-7.19M	USD	1 Quarter
Prior service cost	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Prior service cost	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	Annual
Prior service cost	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	-	USD	1 Quarter
Prior service cost	`OtherComprehensiveIncomeDefinedBenefitPlanNetPriorServiceCostsCreditArisingDuringPeriodNetOfTax`	$1.43M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$-25.76M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$6.38M	USD	1 Quarter
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$-4.75M	USD	Annual
Regulatory adjustment	`OtherComprehensiveIncomeDefinedBenefitPlansRegulatoryAdjustmentNetOfTax`	$7.28M	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.03M	USD	1 Quarter
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$8.23M	USD	Annual
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$8.10M	USD	Annual
Net defined benefit pension plans	`OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax`	$-1.38M	USD	1 Quarter
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-636.00K	USD	1 Quarter
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-2.24M	USD	Annual
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-2.54M	USD	Annual
Amounts reclassified into net income	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax`	$-413.00K	USD	1 Quarter
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$2.54M	USD	Annual
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$413.00K	USD	1 Quarter
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$636.00K	USD	1 Quarter
Net forward-starting interest rate swaps	`OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax`	$2.24M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$823.00K	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-4.00M	USD	1 Quarter
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$-2.76M	USD	Annual
Foreign currency translation adjustments	`OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax`	$6.54M	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-8.45M	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$685.00K	USD	Annual
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$-2.34M	USD	1 Quarter
Total other comprehensive income (loss), net of tax	`OtherComprehensiveIncomeLossNetOfTax`	$2.62M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$121.46M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$285.51M	USD	Annual
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$70.66M	USD	1 Quarter
Comprehensive income	`ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest`	$185.82M	USD	Annual
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$7.75M	USD	Annual
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$463.00K	USD	1 Quarter
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$2.60M	USD	Annual
Comprehensive income attributable to noncontrolling interest	`ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest`	$1.55M	USD	1 Quarter
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$119.91M	USD	1 Quarter
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$277.76M	USD	Annual
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$70.20M	USD	1 Quarter
Comprehensive income attributable to Southwest Gas Holdings, Inc.	`ComprehensiveIncomeNetOfTax`	$183.22M	USD	Annual

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