Business Acquisitions - Actual Operation Results for Riggs Distler (Details) - Drum $ in Thousands	12 Months Ended
Dec. 31, 2021 USD ($)
Business Acquisition [Line Items]
Utility infrastructure services revenues	$ 163,830
Net income attributable to Southwest Gas Holdings, Inc.	$ 1,374

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This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

+ References

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