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Supplemental Cash Flow Information (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Taxes and Interest Paid: |  |  |
Income taxes paid | $ 22,496 | $ 21,084 | $ 13,615
Interest paid | 25,080 | 23,471 | 22,762
Non-Cash Transactions: |  |  |
Accrued payables for investment in utility plant | 23,736 | 27,403 | 20,131
Property installed by developers and conveyed | 6,220 | 2,082 | 2,082
GSWC |  |  |
Taxes and Interest Paid: |  |  |
Income taxes paid | 17,206 | 19,448 | 4,822
Interest paid | 23,925 | 22,721 | 22,285
Non-Cash Transactions: |  |  |
Accrued payables for investment in utility plant | 23,736 | 27,403 | 20,128
Property installed by developers and conveyed | $ 6,220 | $ 2,082 | $ 2,082

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