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Commitments (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 USD ($) ServiceLine | Dec. 31, 2021 USD ($)
Commitments [Abstract] |  |
Capital expenditures committed | $ 39,205 |
Commitments [Abstract] |  |
Percentage of employees under union contract | 32.00% |
Armor and Replace Spillway of Lake Williams Dam [Member] |  |
Commitments [Abstract] |  |
Remaining committed capital expenditures to be incurred | $ 26,181 |
Customer-Owned Lead Service Lines [Member] |  |
Commitments [Abstract] |  |
Number of lead customer-owned service lines to be replaced annually | ServiceLine | 400 |
Term of tariff modification to replace customer-owned lead service lines | 9 years |
Recovery period of regulatory asset | 4 years |
Costs incurred to replace customer-owned lead service lines | $ 1,518 | $ 1,351
Costs to be incurred to replace customer-owned lead service lines | 1,700 |
Construction and Acquisition Expenditures [Member] |  |
Capital Commitments [Abstract] |  |
Commitments for 2023 | 60,600 |
Commitments for 2024 | $ 47,100 |

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