XML 71 R54.htm IDEA: XBRL DOCUMENT v3.22.4
Regulatory Matters - Schedule of Regulatory Liabilities and Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Schedule of Regulatory Assets and Liabilities [Line Items]    
Net regulatory assets $ (25,454) $ (22,796)
GSWC    
Schedule of Regulatory Assets and Liabilities [Line Items]    
Net regulatory assets (26,574) (24,082)
GSWC | Other regulatory liabilities    
Schedule of Regulatory Assets and Liabilities [Line Items]    
Net regulatory assets (8,815) (2,680)
BVESI | Other regulatory liabilities    
Schedule of Regulatory Assets and Liabilities [Line Items]    
Net regulatory assets (8,005) (8,189)
Water Revenue Adjustment Mechanism, net of the Modified Cost Balancing Account | GSWC    
Schedule of Regulatory Assets and Liabilities [Line Items]    
Net regulatory assets 31,803 13,326
Pensions and other post-retirement obligations (Note 12) | GSWC    
Schedule of Regulatory Assets and Liabilities [Line Items]    
Net regulatory assets 738 25,212
COVID-19 memorandum account | GSWC    
Schedule of Regulatory Assets and Liabilities [Line Items]    
Net regulatory assets 3,478 1,663
Other regulatory assets | GSWC    
Schedule of Regulatory Assets and Liabilities [Line Items]    
Net regulatory assets 19,226 16,949
Other regulatory assets | BVESI    
Schedule of Regulatory Assets and Liabilities [Line Items]    
Net regulatory assets 7,965 5,359
Excess deferred income taxes (Note 11)    
Schedule of Regulatory Assets and Liabilities [Line Items]    
Net regulatory assets 75,700  
Excess deferred income taxes (Note 11) | GSWC    
Schedule of Regulatory Assets and Liabilities [Line Items]    
Net regulatory assets (71,870) (73,000)
Flow-through taxes, net (Note 11)    
Schedule of Regulatory Assets and Liabilities [Line Items]    
Net regulatory assets (1,100)  
Flow-through taxes, net (Note 11) | GSWC    
Schedule of Regulatory Assets and Liabilities [Line Items]    
Net regulatory assets (1,134) (5,552)
Derivative instrument memorandum account (Note 5)    
Schedule of Regulatory Assets and Liabilities [Line Items]    
Net regulatory assets (11,800)  
Derivative instrument memorandum account (Note 5) | BVESI    
Schedule of Regulatory Assets and Liabilities [Line Items]    
Net regulatory assets (11,847) (4,441)
Wildfire mitigation and other fire prevention related costs memorandum accounts | BVESI    
Schedule of Regulatory Assets and Liabilities [Line Items]    
Net regulatory assets $ 13,007 $ 8,557