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Bank Borrowings and Long-Term Liabilities (Details) - USD ($) $ in Thousands		9 Months Ended
	Aug. 14, 2023	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Jul. 31, 2022
Debt Instrument [Line Items]
Weighted-average interest rate on short-term		6.48%		5.40%
Seller financing in asset acquisition, net of discount		$ 15,400	$ 0
KT Water Resources
Debt Instrument [Line Items]
Asset acquisition, post-closing production payment	$ 29,000
Asset acquisition, period of post-closing production payment	29 years
Seller financing in asset acquisition, net of discount	$ 15,400
San Jose Water Company \| 4.85% Senior Note, Series P \| Senior Notes
Debt Instrument [Line Items]
Aggregate principal amount					$ 70,000
Interest rate					4.85%