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Business Segments: (Details 2) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016 | Mar. 31, 2016
--- | --- | --- | ---
Details of reportable segment |  |  |
Total utility plant | $ 1,137,159 | $ 1,150,926 | $ 1,079,318
Other assets | 343,109 |  | 289,573
Total Assets | 1,480,268 | 1,470,493 | $ 1,368,891
GOLDEN STATE WATER COMPANY |  |  |
Details of reportable segment |  |  |
Total utility plant | 1,131,528 | 1,145,311 |
Total Assets | $ 1,393,736 | $ 1,384,178 |

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