Long-Term Water Assets - Intangible Water Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items]
Costs	$ 36,800	$ 36,800
Accumulated Depreciation	(13,702)	(12,340)
Net cost of purchased water contracts	23,098	24,460
Total cost water held for future use	27,899	32,238
Net investments in water assets	50,997	56,698
Contract-based intangible assets | Dudley-Ridge water rights
Finite-Lived Intangible Assets [Line Items]
Costs	11,581	11,581
Accumulated Depreciation	(5,307)	(4,825)
Contract-based intangible assets | Nickel water rights
Finite-Lived Intangible Assets [Line Items]
Costs	18,740	18,740
Accumulated Depreciation	(5,247)	(4,605)
Contract-based intangible assets | Tulare Lake Basin water rights
Finite-Lived Intangible Assets [Line Items]
Costs	6,479	6,479
Accumulated Depreciation	$ (3,148)	$ (2,910)