Document and Entity Information
Document and Entity Information | Dec. 21, 2023 |
Document And Entity Information [Line Items] | |
Amendment Flag | false |
Entity Central Index Key | 0001692115 |
Document Type | 8-K |
Document Period End Date | Dec. 21, 2023 |
Entity Registrant Name | SOUTHWEST GAS HOLDINGS, INC. |
Entity Incorporation State Country Code | DE |
Entity File Number | 001-37976 |
Entity Tax Identification Number | 81-3881866 |
Entity Address, Address Line One | 8360 S. Durango Drive |
Entity Address, Address Line Two | Post Office Box 98510 |
Entity Address, City or Town | Las Vegas |
Entity Address, State or Province | NV |
Entity Address, Postal Zip Code | 89193-8510 |
City Area Code | (702) |
Local Phone Number | 876-7237 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Entity Emerging Growth Company | false |
Common Stock [Member] | |
Document And Entity Information [Line Items] | |
Security 12b Title | Southwest Gas Holdings, Inc. Common Stock, $1 Par Value |
Trading Symbol | SWX |
Security Exchange Name | NYSE |
Preferred Stock Purchase Rights [Member] | |
Document And Entity Information [Line Items] | |
Security 12b Title | Preferred Stock Purchase Rights |
Security Exchange Name | NYSE |