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Acquisitions (Details) $ in Thousands |  |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | ---
Dec. 12, 2024 USD ($) Customer | Dec. 05, 2024 USD ($) Customer | Sep. 26, 2024 USD ($) Customer | Feb. 21, 2024 USD ($) Customer | Jan. 31, 2024 USD ($) Customer | Oct. 12, 2023 USD ($) Customer | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Acquisitions [Abstract] |  |  |  |  |  |  |  |
Purchase price and acquisition costs |  |  |  |  |  |  | $ 783 | $ 625
Contributions in aid of construction |  |  |  |  |  |  | 48,869 | 47,321
Acquisition adjustment |  |  |  |  |  |  | $ (9,838) | $ (9,384)
Water Assets and Wastewater Collection and Treatment Assets of Conewago Industrial Park Water and Sewer Company [Member] |  |  |  |  |  |  |  |
Acquisitions [Abstract] |  |  |  |  |  |  |  |
Number of customers acquired | Customer |  |  |  |  |  | 30 |  |
Purchase price and acquisition costs |  |  |  |  |  | $ 590 |  |
Contributions in aid of construction |  |  |  |  |  | 4,403 |  |
Acquisition adjustment |  |  |  |  |  | $ (73) |  |
Wastewater Collection and Treatment Assets of MESCO, Inc. [Member] |  |  |  |  |  |  |  |
Acquisitions [Abstract] |  |  |  |  |  |  |  |
Number of customers acquired | Customer |  |  |  |  | 180 |  |  |
Purchase price and acquisition costs |  |  |  |  | $ 44 |  |  |
Contributions in aid of construction |  |  |  |  | 63 |  |  |
Acquisition adjustment |  |  |  |  | $ (110) |  |  |
Water Assets of Longstown Mobile Estates [Member] |  |  |  |  |  |  |  |
Acquisitions [Abstract] |  |  |  |  |  |  |  |
Number of customers acquired | Customer |  |  |  | 90 |  |  |  |
Purchase price and acquisition costs |  |  |  | $ 8 |  |  |  |
Acquisition adjustment |  |  |  | $ (2) |  |  |  |
Water Assets of Houston Run Community Water System, LLC [Member] |  |  |  |  |  |  |  |
Acquisitions [Abstract] |  |  |  |  |  |  |  |
Number of customers acquired | Customer |  |  | 15 |  |  |  |  |
Purchase price and acquisition costs |  |  | $ 228 |  |  |  |  |
Acquisition adjustment |  |  | $ (368) |  |  |  |  |
Wastewater Collection and Treatment Assets of York Haven Sewer Authority [Member] |  |  |  |  |  |  |  |
Acquisitions [Abstract] |  |  |  |  |  |  |  |
Number of customers acquired | Customer |  | 230 |  |  |  |  |  |
Purchase price and acquisition costs |  | $ 409 |  |  |  |  |  |
Contributions in aid of construction |  | 558 |  |  |  |  |  |
Acquisition adjustment |  | $ 128 |  |  |  |  |  |
Water Assets of Pine Run Retirement Community [Member] |  |  |  |  |  |  |  |
Acquisitions [Abstract] |  |  |  |  |  |  |  |
Number of customers acquired | Customer | 100 |  |  |  |  |  |  |
Purchase price and acquisition costs | $ 55 |  |  |  |  |  |  |
Acquisition adjustment | $ (157) |  |  |  |  |  |  |
Water Assets of Brookhaven Mobile Home Park of ATG Properties, LLC [Member] |  |  |  |  |  |  |  |
Acquisitions [Abstract] |  |  |  |  |  |  |  |
Number of customers acquired | Customer | 150 |  |  |  |  |  |  |
Purchase price and acquisition costs | $ 39 |  |  |  |  |  |  |
Acquisition adjustment | $ (24) |  |  |  |  |  |  |

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