Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Utility Plant Intangible Assets:
Intangible assets	$ 51,683	$ 51,604
Utility plant intangible assets	51,683	51,604
Utility plant net intangible assets	41,063	42,079
Purchase premium customer relationships
Utility Plant Intangible Assets:
Intangible assets	13,400	13,400
Accumulated amortization of intangible assets	5,561	4,667
Other intangibles
Utility Plant Intangible Assets:
Intangible assets	9,897	9,818
Accumulated amortization of intangible assets	5,059	4,858
Indefinite-lived water rights
Utility Plant Intangible Assets:
Indefinite-lived water rights	$ 28,386	$ 28,386

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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