XML 42 R29.htm IDEA: XBRL DOCUMENT v3.21.2
Revenue from Contract with Customers - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Disaggregation of Revenue [Line Items]        
Total operating revenues $ 136,755 $ 133,688 $ 382,229 $ 364,043
GOLDEN STATE WATER COMPANY        
Disaggregation of Revenue [Line Items]        
Total operating revenues 102,768 98,701 269,430 275,846
Water Service Utility Operations | GOLDEN STATE WATER COMPANY        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 101,937 98,822 265,461 248,022
Total operating revenues 102,768 98,701 269,430 257,199
Electric Service Utility Operations | Bear Valley Electric Service, Inc.        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 8,823 8,719 29,076  
Total operating revenues 8,564 8,288 28,211  
Electric Service Utility Operations | Golden State Water Company and Bear Valley Electric Service Inc.        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax       26,572
Total operating revenues       26,935
Contracted Services | ASUS        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 25,423 26,699 84,588 79,909
Tariff-based Revenues | Water Service Utility Operations | GOLDEN STATE WATER COMPANY        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 100,256 97,036 261,231 243,553
Tariff-based Revenues | Electric Service Utility Operations | Bear Valley Electric Service, Inc.        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 8,791 8,531 28,798  
Tariff-based Revenues | Electric Service Utility Operations | Golden State Water Company and Bear Valley Electric Service Inc.        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax       25,948
Surcharges (Cost-recovery Activities) | Water Service Utility Operations | GOLDEN STATE WATER COMPANY        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 1,095 1,217 2,604 2,913
Surcharges (Cost-recovery Activities) | Electric Service Utility Operations | Bear Valley Electric Service, Inc.        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 32 188 278  
Surcharges (Cost-recovery Activities) | Electric Service Utility Operations | Golden State Water Company and Bear Valley Electric Service Inc.        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax       624
Other Products and Services | Water Service Utility Operations | GOLDEN STATE WATER COMPANY        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 586 569 1,626 1,556
Alternative revenues program [Member] | Water Service Utility Operations | GOLDEN STATE WATER COMPANY        
Disaggregation of Revenue [Line Items]        
Alternative revenue program 831 121 (3,969) (9,177)
Alternative revenues program [Member] | Electric Service Utility Operations | Bear Valley Electric Service, Inc.        
Disaggregation of Revenue [Line Items]        
Alternative revenue program (259) 431 865  
Alternative revenues program [Member] | Electric Service Utility Operations | Golden State Water Company and Bear Valley Electric Service Inc.        
Disaggregation of Revenue [Line Items]        
Alternative revenue program       (363)
Water | Contracted Services | ASUS        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax 15,454 17,143 53,102 45,316
Wastewater | Contracted Services | ASUS        
Disaggregation of Revenue [Line Items]        
Revenue from contract with customer, excluding assessed tax $ 9,969 $ 9,556 $ 31,486 $ 34,593