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DEBT, Long-Term Debt (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 | Dec. 31, 2022
Long-term debt consists of [Abstract] |  |
Long term debt | $ 180,542 | $ 177,622
Less: current maturities (principal amount) | 2,235 | 2,003
Total long-term debt | 178,307 | 175,619
Payments of principal amounts due during the next five years and thereafter [Abstract] |  |
2024 | 2,235 |
2025 | 2,246 |
2026 | 2,213 |
2027 | 2,258 |
2028 | 26,993 |
Thereafter | 144,597 |
Asset Purchase-Contractual Obligation [Member] |  |
Payments of principal amounts due during the next five years and thereafter [Abstract] |  |
2024 | 314 |
2025 | 314 |
2026 | 314 |
2027 | 313 |
2028 | 0 |
Thereafter | 0 |
First Mortgage Bonds [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | 156,000 | 156,600
Payments of principal amounts due during the next five years and thereafter [Abstract] |  |
2024 | 600 |
2025 | 600 |
2026 | 600 |
2027 | 600 |
2028 | 25,600 |
Thereafter | 128,000 |
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 | $ 6,000 | 6,600
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 | 30,000
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 | $ 13,132 | 8,975
Payments of principal amounts due during the next five years and thereafter [Abstract] |  |
2024 | 756 |
2025 | 852 |
2026 | 794 |
2027 | 813 |
2028 | 834 |
Thereafter | 9,083 |
State Revolving Fund Loans [Member] | 3.57%, due 09/01/2023 [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 0 | 102
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 | $ 228 | 373
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 | $ 1,415 | 1,577
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 | $ 1,445 | 1,590
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 | $ 588 | 617
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 | $ 690 | 724
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 | $ 1,075 | 1,128
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 | $ 828 | 846
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 | $ 1,143 | 974
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 | $ 1,002 | 1,044
Interest rate, stated percentage | 2.00% |
Maturity date | Jun. 01, 2043 |
State Revolving Fund Loans [Member] | 2.00% Due 06/01/2043 [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 1,022 | 0
Interest rate, stated percentage | 2.00% |
Maturity date | Jun. 01, 2043 |
State Revolving Fund Loans [Member] | 2.00% Due 02/01/2044 [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 2,696 | 0
Interest rate, stated percentage | 2.00% |
Maturity date | Feb. 01, 2044 |
State Revolving Fund Loans [Member] | 2.00% Due 01/01/2043 [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 1,000 | 0
Interest rate, stated percentage | 2.00% |
Maturity date | Jan. 01, 2043 |
State Revolving Fund Loans [Member] | Promissory Note [Member] |  |
Payments of principal amounts due during the next five years and thereafter [Abstract] |  |
2024 | $ 565 |
2025 | 480 |
2026 | 505 |
2027 | 532 |
2028 | 559 |
Thereafter | 7,514 |
Notes Payable [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | 11,410 | 12,047
Notes Payable [Member] | Promissory Note [Member] |  |
Long-term debt consists of [Abstract] |  |
Long term debt | $ 10,155 | 10,478
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 | $ 1,255 | $ 1,569
Interest rate, stated percentage | 2.00% |
Maturity date | May 26, 2027 |

X
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