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Acquisitions (Details) $ in Thousands |  |  | 12 Months Ended
--- | --- | --- | ---
Aug. 14, 2023 USD ($) people serviceConnection | Dec. 17, 2021 USD ($) mi² serviceConnection people | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Business Acquisition [Line Items] |  |  |  |  |
Payments for business acquisition |  |  | $ 7,537 | $ 433 | $ 23,587
Seller financing in asset acquisition, net of discount |  |  | 15,400 | 0 | $ 0
Goodwill |  |  | $ 640,311 | 640,311 |
KT Water Resource L. P. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Asset acquisition, consideration transferred before transaction costs | $ 39,891 |  |  |  |
Payment for asset acquisition | 24,491 |  |  |  |
Seller financing in asset acquisition, net of discount | 15,400 |  |  |  |
Asset acquisition, transaction cost | 170 |  |  |  |
Asset acquisition, consideration transferred | 40,061 |  |  |  |
Asset acquisition, other intangible asset | 28,386 |  |  |  |
Asset acquisition, nonutility property | 11,684 |  |  |  |
Asset acquisition, other current liabilities | 9 |  |  |  |
Asset acquisition, post-closing production payment | $ 29,000 |  |  |  |
Asset acquisition, period of post-closing production payment | 29 years |  |  |  |
KT Water Development Ltd |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments for business acquisition | $ 7,338 |  |  |  |
Kendall West Utility and Bandera East Utility |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Payments for business acquisition |  | $ 23,587 |  |  |
Utility plant, net |  | 9,400 |  |  |
Goodwill |  | $ 12,300 |  | 12,167 |
Goodwill, measurement period adjustments |  |  |  | $ 161 |
Texas Water | KT Water Development Ltd |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Number of people served from acquisition | people | 1,725 |  |  |  |
Texas Water | KT Water Development Ltd | Southern Comal County, Texas |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Number of service connections from acquisition | serviceConnection | 570 |  |  |  |
CLWSC | Kendall West Utility and Bandera East Utility |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Number of people served from acquisition | people |  | 5,000 |  |  |
Service area from acquisition | mi² |  | 19 |  |  |
CLWSC | Kendall West Utility and Bandera East Utility | South Central Texas |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Number of service connections from acquisition | serviceConnection |  | 1,600 |  |  |

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