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Business Segments: (Details 2) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2020
Details of reportable segment |  |  |
Total utility plant | $ 1,542,423 | $ 1,432,397 | $ 1,512,043
Other assets | 250,398 | 228,492 |
Total Assets | 1,792,821 | 1,660,889 | 1,791,603
GOLDEN STATE WATER COMPANY |  |  |
Details of reportable segment |  |  |
Depreciation on transportation equipment |  | $ 82 |
Total utility plant | 1,426,175 |  | 1,400,489
Total Assets | 1,561,723 |  | $ 1,560,782
Golden State Water Company and Bear Valley Electric Service Inc. |  |  |
Details of reportable segment |  |  |
Depreciation on transportation equipment | $ 95 |  |

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