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LONG-TERM DEBT - Long term Debt Outstanding (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Long-term debt |  |
Unamortized debt issuance costs | $ (5,339) | $ (4,490)
Total long-term debt | 1,060,986 | 786,227
Current maturities of long-term debt, net | 5,192 | 5,127
Long-term debt, net | 1,055,794 | 781,100
First Mortgage |  |
Long-term debt |  |
Long-term debt | $ 1,055,454 | 780,000
First Mortgage Bonds, ZZZ Series, Due 2051 |  |
Long-term debt |  |
Interest rate | 2.87% |
Long-term debt | $ 130,000 | 0
Frist Mortgage Bonds, Series 1, Due 2061 |  |
Long-term debt |  |
Interest rate | 3.02% |
Long-term debt | $ 150,000 | 0
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 GGG Series, Due 2022 |  |
Long-term debt |  |
Interest rate | 5.29% |
Long-term debt | $ 1,818 | 3,636
First Mortgage Bonds HHH Series, Due 2022 |  |
Long-term debt |  |
Interest rate | 5.29% |
Long-term debt | $ 1,818 | 3,636
First Mortgage Bonds III Series, Due 2023 |  |
Long-term debt |  |
Interest rate | 5.54% |
Long-term debt | $ 1,818 | 2,728
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 |  |
Interest rate | 3.00% |
Long-term debt | $ 4,832 | 5,148
Other Long-term Debt |  |
Long-term debt |  |
Long-term debt | $ 6,039 | $ 5,569

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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6031897-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)) -URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 + Details
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