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Organization, Summary of Significant Accounting Policies and Recent Developments - Schedule of Operating Revenues (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Regulated Tariff Sales |  |  |
Residential | $ 97,802 | $ 86,581 | $ 84,950
Commercial | 31,833 | 23,945 | 22,689
Industrial | 13,842 | 11,586 | 11,152
Fire Protection | 14,188 | 12,582 | 12,726
Wholesale | 21,003 | 19,117 | 18,769
Non-Regulated Contract Operations | 13,085 | 12,320 | 12,006
Total Revenue from Contracts with Customers | 191,753 | 166,131 | 162,292
Other Regulated Revenues | 691 | 806 | 831
Other Non-Regulated Revenues | 467 | 453 | 440
Inter-segment Elimination | (1,034) | (1,116) | (1,129)
Total Revenue | $ 191,877 | $ 166,274 | $ 162,434

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