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Commitments (Details) $ in Thousands | 6 Months Ended |
--- | --- | ---
Jun. 30, 2023 USD ($) ServiceLine | Dec. 31, 2022 USD ($)
Commitments [Abstract] |  |
Capital expenditures committed | $ 39,626 |
Armor and Replace Spillway of Lake Williams Dam [Member] |  |
Commitments [Abstract] |  |
Remaining committed capital expenditures to be incurred | $ 14,001 |
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 | $ 1,589 | $ 1,518
Costs to be incurred to replace customer-owned lead service lines | $ 1,800 |

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