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DEBT, Long-Term Debt (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Long-term debt consists of [Abstract] |  |
Long term debt | $ 177,622 | $ 144,850
Less: current maturities (principal amount) | 2,003 | 1,591
Total long-term debt | 175,619 | 143,259
Payments of principal amounts due during the next five years and thereafter [Abstract] |  |
2023 | 2,003 |
2024 | 2,070 |
2025 | 2,037 |
2026 | 2,000 |
2027 | 2,042 |
Thereafter | 167,470 |
Asset Purchase-Contractual Obligation [Member] |  |
Payments of principal amounts due during the next five years and thereafter [Abstract] |  |
2023 | 314 |
2024 | 314 |
2025 | 314 |
2026 | 314 |
2027 | 313 |
Thereafter | 0 |
First Mortgage Bonds [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | 156,600 | 127,200
Payments of principal amounts due during the next five years and thereafter [Abstract] |  |
2023 | 600 |
2024 | 600 |
2025 | 600 |
2026 | 600 |
2027 | 600 |
Thereafter | 153,600 |
First Mortgage Bonds [Member] | Series R [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 25,000 | 25,000
Interest rate, stated percentage | 5.96% |
Maturity date | Dec. 31, 2028 |
First Mortgage Bonds [Member] | Series S [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 6,600 | 7,200
Interest rate, stated percentage | 4.45% |
Maturity date | Dec. 31, 2033 |
First Mortgage Bonds [Member] | Series T [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 40,000 | 40,000
Interest rate, stated percentage | 4.24% |
Maturity date | Dec. 20, 2036 |
First Mortgage Bonds [Member] | Series U [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 25,000 | 25,000
Interest rate, stated percentage | 4.71% |
Maturity date | Jan. 31, 2038 |
First Mortgage Bonds [Member] | Series V [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 30,000 | 30,000
Interest rate, stated percentage | 4.42% |
Maturity date | Oct. 31, 2049 |
First Mortgage Bonds [Member] | Series W [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 30,000 | 0
Interest rate, stated percentage | 4.43% |
Maturity date | Apr. 30, 2047 |
State Revolving Fund Loans [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 8,975 | 6,762
Payments of principal amounts due during the next five years and thereafter [Abstract] |  |
2023 | 656 |
2024 | 702 |
2025 | 643 |
2026 | 581 |
2027 | 597 |
Thereafter | 5,796 |
State Revolving Fund Loans [Member] | 3.57%, due 09/01/2023 [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 102 | 200
Interest rate, stated percentage | 3.57% |
Maturity date | Sep. 01, 2023 |
State Revolving Fund Loans [Member] | 3.64%, due 05/01/2025 [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 373 | 513
Interest rate, stated percentage | 3.64% |
Maturity date | May 01, 2025 |
State Revolving Fund Loans [Member] | 3.41%, due 02/01/2031 [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 1,577 | 1,735
Interest rate, stated percentage | 3.41% |
Maturity date | Feb. 01, 2031 |
State Revolving Fund Loans [Member] | 3.40%, due 07/01/2032 [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 1,590 | 1,729
Interest rate, stated percentage | 3.40% |
Maturity date | Jul. 01, 2032 |
State Revolving Fund Loans [Member] | 1.187% due 11/01/2041 [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 617 | 646
Interest rate, stated percentage | 1.187% |
Maturity date | Nov. 01, 2041 |
State Revolving Fund Loans [Member] | 1.187% due 11/01/2041 [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 724 | 758
Interest rate, stated percentage | 1.187% |
Maturity date | Nov. 01, 2041 |
State Revolving Fund Loans [Member] | 1.187% due 11/01/2041 [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 1,128 | 1,181
Interest rate, stated percentage | 1.187% |
Maturity date | Nov. 01, 2041 |
State Revolving Fund Loans [Member] | 2.00% Due 02/01/2043 [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 846 | 0
Interest rate, stated percentage | 2.00% |
Maturity date | Feb. 01, 2043 |
State Revolving Fund Loans [Member] | 2.00% Due 02/01/2043 [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 974 | 0
Interest rate, stated percentage | 2.00% |
Maturity date | Feb. 01, 2043 |
State Revolving Fund Loans [Member] | 2.00% Due 06/01/2043 [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 1,044 | 0
Interest rate, stated percentage | 2.00% |
Maturity date | Jun. 01, 2043 |
State Revolving Fund Loans [Member] | Promissory Note [Member] |  |
Payments of principal amounts due during the next five years and thereafter [Abstract] |  |
2023 | $ 433 |
2024 | 454 |
2025 | 480 |
2026 | 505 |
2027 | 532 |
Thereafter | 8,074 |
Notes Payable [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | 12,047 | 10,888
Notes Payable [Member] | Promissory Note [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 10,478 | 10,888
Interest rate, stated percentage | 5.12% |
Maturity date | Dec. 30, 2028 |
Notes Payable [Member] | Asset Purchase-Contractual Obligation [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 1,569 | $ 0
Interest rate, stated percentage | 2.00% |
Maturity date | May 26, 2027 |

X
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