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Acquisition (Details) $ in Thousands | May 01, 2021 USD ($) | Dec. 31, 2021 USD ($) | May 31, 2021 wastewaterUtility connections | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($)
--- | --- | --- | --- | --- | ---
Asset Acquisition [Line Items] |  |  |  |  |
Goodwill |  | $ 36,814 |  | $ 31,842 | $ 2,959
BVRT Water Company |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |
Number Of Wastewater Utilities | wastewaterUtility |  |  | 5 |  |
Number Of Connections Served | connections |  |  | 3,800 |  |
Number Of Potential Customer Connections | connections |  |  | 61,000 |  |
Hawaii Water Company | Hawaii Water Asset Acquisition |  |  |  |  |
Asset Acquisition [Line Items] |  |  |  |  |
Payments For Asset Acquisition | $ 4,200 |  |  |  |
Asset Acquisition, Assets Acquired | 1,600 |  |  |  |
Asset Acquisition, Liabilities Assumed | 300 |  |  |  |
Goodwill | $ 2,900 |  |  |  |

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