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Regulatory Assets and Liabilities - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Schedule of Regulatory Assets and Liabilities [Line Items]          
Water production costs $ 77,644 $ 70,867 $ 141,829 $ 125,875  
Short-term portion of the regulatory assets 5,495   5,495   $ 64,240
Short-term portion of the regulatory liabilities $ 12,754   12,754   $ 21,540
Incremental cost balancing account (ICBA)          
Schedule of Regulatory Assets and Liabilities [Line Items]          
Water production costs     3,500    
Incremental cost balancing account (ICBA)          
Schedule of Regulatory Assets and Liabilities [Line Items]          
Water production costs     $ 12,700