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Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Taxes and Interest Paid: |  |  |
Income taxes paid | $ 21,084 | $ 13,615 | $ 10,916
Interest paid | 23,471 | 22,762 | 22,305
Non-Cash Transactions: |  |  |
Accrued payables for investment in utility plant | 27,403 | 20,131 | 17,236
Property installed by developers and conveyed | 2,082 | 2,082 | 5,395
GSWC |  |  |
Taxes and Interest Paid: |  |  |
Income taxes paid | 19,448 | 4,822 | 8,437
Interest paid | 22,721 | 22,282 | 22,078
Non-Cash Transactions: |  |  |
Accrued payables for investment in utility plant | 27,403 | 20,128 | 17,207
Property installed by developers and conveyed | $ 2,082 | $ 2,082 | $ 5,395

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