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Business Segments: (Details 2) - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015 | Mar. 31, 2015
--- | --- | --- | ---
Details of reportable segment |  |  |
Unamortized Debt Issuance Expense | $ 4,500 | $ 4,600 | $ 4,900
Total utility plant | 1,079,318 | 1,060,794 | 1,007,563
Other assets | 289,573 |  | 354,939
Total Assets | 1,368,891 | 1,343,959 | $ 1,362,502
GOLDEN STATE WATER COMPANY |  |  |
Details of reportable segment |  |  |
Total utility plant | 1,074,398 | 1,056,116 |
Total Assets | $ 1,296,037 | $ 1,271,879 |

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- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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