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LONG-TERM DEBT - Long term Debt Outstanding (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Long-term debt |  |
Unamortized debt issuance costs | $ (4,857) | $ (5,112)
Total long-term debt | 1,053,440 | 1,055,797
Current maturities of long-term debt, net | 672 | 3,310
Long-term debt, net | 1,052,768 | 1,052,487
First Mortgage |  |
Long-term debt |  |
Long-term debt | $ 1,050,000 | 1,050,909
First Mortgage Bonds, ZZZ Series, Due 2051 |  |
Long-term debt |  |
Interest rate | 2.87% |
Long-term debt | $ 130,000 | 130,000
Frist Mortgage Bonds, Series 1, Due 2061 |  |
Long-term debt |  |
Interest rate | 3.02% |
Long-term debt | $ 150,000 | 150,000
First Mortgage Bonds YYY Series Due 2059 |  |
Long-term debt |  |
Interest rate | 4.17% |
Long-term debt | $ 200,000 | 200,000
First Mortgage Bonds WWW Series Due 2049 |  |
Long-term debt |  |
Interest rate | 4.07% |
Long-term debt | $ 100,000 | 100,000
First Mortgage Bonds VVV Series Due 2029 |  |
Long-term debt |  |
Interest rate | 3.40% |
Long-term debt | $ 100,000 | 100,000
First Mortgage Bonds TTT Series Due 2056 |  |
Long-term debt |  |
Interest rate | 4.61% |
Long-term debt | $ 10,000 | 10,000
First Mortgage Bonds SSS Series Due 2046 |  |
Long-term debt |  |
Interest rate | 4.41% |
Long-term debt | $ 40,000 | 40,000
First Mortgage Bonds QQQ Series Due 2025 |  |
Long-term debt |  |
Interest rate | 3.33% |
Long-term debt | $ 50,000 | 50,000
First Mortgage Bonds RRR Series Due 2045 |  |
Long-term debt |  |
Interest rate | 4.31% |
Long-term debt | $ 50,000 | 50,000
First Mortgage Bonds PPP Series, due 2040 |  |
Long-term debt |  |
Interest rate | 5.50% |
Long-term debt | $ 100,000 | 100,000
First Mortgage Bonds AAA Series, due in 2025 |  |
Long-term debt |  |
Interest rate | 7.28% |
Long-term debt | $ 20,000 | 20,000
First Mortgage Bonds BBB Series, due in 2028 |  |
Long-term debt |  |
Interest rate | 6.77% |
Long-term debt | $ 20,000 | 20,000
First Mortgage Bonds CCC Series, Due 2030 |  |
Long-term debt |  |
Interest rate | 8.15% |
Long-term debt | $ 20,000 | 20,000
First Mortgage Bonds DDD Series, Due 2031 |  |
Long-term debt |  |
Interest rate | 7.13% |
Long-term debt | $ 20,000 | 20,000
First Mortgage Bonds EEE Series, Due 2032 |  |
Long-term debt |  |
Interest rate | 7.11% |
Long-term debt | $ 20,000 | 20,000
First Mortgage Bonds III Series, Due 2023 |  |
Long-term debt |  |
Interest rate | 5.54% |
Long-term debt | $ 0 | 909
First Mortgage Bonds OOO Series, Due 2031 |  |
Long-term debt |  |
Interest rate | 6.02% |
Long-term debt | $ 20,000 | 20,000
California Department of Water Resources Loans |  |
Long-term debt |  |
Long-term debt | $ 4,195 | 4,515
California Department of Water Resources Loans | Minimum |  |
Long-term debt |  |
Interest rate | 1.30% |
California Department of Water Resources Loans | Maximum |  |
Long-term debt |  |
Interest rate | 1.69% |
Other long-term debt |  |
Long-term debt |  |
Long-term debt | $ 4,102 | $ 5,485

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