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Commitments (Tables)
12 Months Ended
Dec. 31, 2022
Risks and Uncertainties [Abstract]  
Schedule of estimated future minimum payments under purchased water supply commitments
GSWC’s estimated future minimum payments under these purchased water supply commitments at December 31, 2022 are as follows (in thousands):
2023$459 
2024459 
2025412 
2026364 
2027364 
Thereafter1,008 
Total$3,066