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v3.20.1

Summary of Significant Accounting Policies: (Details) $ in Thousands | 3 Months Ended |  |  |
--- | --- | --- | --- | ---
Mar. 31, 2020 USD ($) customer registrant | Mar. 31, 2019 USD ($) | Dec. 31, 2020 USD ($) | Apr. 24, 2020 USD ($) | Dec. 31, 2019 USD ($)
Summary of significant accounting policies |  |  |  |  |
Increase to provision | $ 393 |  |  |  |
Earnings reinvested in the business | 348,742 |  |  |  | $ 345,964
Operating lease right-of-use assets | $ 12,556 |  |  |  | 13,168
Nature of Operations: |  |  |  |  |
Number of customers | customer | 1,000,000,000,000 |  |  |  |
Number of States in which Entity Operates | 9 |  |  |  |
Basis of Presentation: |  |  |  |  |
Number of registrants filing combined report | registrant | 2 |  |  |  |
Related Party Transactions |  |  |  |  |
Notes payable to bank | $ 200,000 |  |  |  | 200,000
Notes payable to banks | $ 32,000 |  |  |  | 5,000
Related Party Transaction, Terms and Manner of Settlement | P24M |  |  |  |
Syndicated Credit Facility |  |  |  |  |
Related Party Transactions |  |  |  |  |
Maximum borrowing capacity on line of credit | $ 232,000 |  |  |  |
GOLDEN STATE WATER COMPANY |  |  |  |  |
Summary of significant accounting policies |  |  |  |  |
Increase to provision | 393 |  |  |  |
Earnings reinvested in the business | 257,340 |  |  |  | 257,434
Operating lease right-of-use assets | 12,235 |  |  |  | 12,745
Related Party Transactions |  |  |  |  |
Payments to affiliate for corporate office administrative and general costs | 1,400 | $ 1,100 |  |  |
Intercompany payable to Parent | $ 182,447 |  |  |  | $ 158,845
GOLDEN STATE WATER COMPANY | Water Service Utility Operations |  |  |  |  |
Nature of Operations: |  |  |  |  |
Number of customers | customer | 261,000 |  |  |  |
GOLDEN STATE WATER COMPANY | Electric Service Utility Operations |  |  |  |  |
Nature of Operations: |  |  |  |  |
Number of customers | customer | 24,000 |  |  |  |
ASUS | Contracted Services |  |  |  |  |
Nature of Operations: |  |  |  |  |
Period of fixed price contracts to operate and maintain water systems at various military bases | 50 years |  |  |  |
Sales | GOLDEN STATE WATER COMPANY | Water Service Utility Operations |  |  |  |  |
Nature of Operations: |  |  |  |  |
Concentration Risk, Percentage | 90.00% |  |  |  |
Sales | GOLDEN STATE WATER COMPANY | Electric Service Utility Operations |  |  |  |  |
Nature of Operations: |  |  |  |  |
Concentration Risk, Percentage | 90.00% |  |  |  |
Subsequent Event [Member] | AWR | Syndicated Credit Facility |  |  |  |  |
Related Party Transactions |  |  |  |  |
Line of Credit Facility, Incremental Expansion of Borrowing Capacity |  |  | $ 35,000 |  |
Subsequent Event [Member] | Electric Service Utility Operations | Syndicated Credit Facility |  |  |  |  |
Related Party Transactions |  |  |  |  |
Line of Credit Facility, Current Borrowing Capacity |  |  |  | $ 50,000 |
Subsequent Event [Member] | Minimum [Member] | AWR | Syndicated Credit Facility |  |  |  |  |
Related Party Transactions |  |  |  |  |
Line of Credit Facility, Current Borrowing Capacity |  |  | 200,000 |  |
Subsequent Event [Member] | Maximum [Member] | AWR | Syndicated Credit Facility |  |  |  |  |
Related Party Transactions |  |  |  |  |
Line of Credit Facility, Current Borrowing Capacity |  |  | $ 260,000 |  |

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