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EMPLOYEE BENEFIT PLANS, Noncontributory Defined Benefit Pension Plan Fair Value of Plan Assets (Details) - Pension Plan [Member] - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | $ 13,916 | $ 13,247 | $ 13,277
Allocation | 100.00% | 100.00% |
Expected employer contribution to pension plan | $ 0 |  |
Expected future benefit payments [Abstract] |  |  |
2022 | 420 |  |
2023 | 634 |  |
2024 | 806 |  |
2025 | 1,161 |  |
2026 | 2,130 |  |
2027 - 2031 | 3,944 |  |
Level I [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | 11,725 | $ 10,575 |
Level II [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | 2,191 | 2,672 |
Level III [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | 0 | 0 |
Cash and Cash Equivalents [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | $ 188 | $ 456 |
Allocation | 1.40% | 3.40% |
Cash and Cash Equivalents [Member] | Level I [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | $ 188 | $ 456 |
Cash and Cash Equivalents [Member] | Level II [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | 0 | 0 |
Cash and Cash Equivalents [Member] | Level III [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | 0 | 0 |
Equity Securities [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | $ 6,291 | $ 5,709 |
Allocation | 45.20% | 43.10% |
Equity Securities [Member] | Minimum [Member] |  |  |
Target Allocations of Assets [Abstract] |  |  |
Target plan asset allocations | 50.00% |  |
Equity Securities [Member] | Maximum [Member] |  |  |
Target Allocations of Assets [Abstract] |  |  |
Target plan asset allocations | 70.00% |  |
Equity Securities [Member] | Level I [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | $ 6,291 | $ 5,709 |
Equity Securities [Member] | Level II [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | 0 | 0 |
Equity Securities [Member] | Level III [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | 0 | 0 |
Mutual Funds and ETF's [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | $ 5,246 | $ 4,410 |
Allocation | 37.70% | 33.30% |
Mutual Funds and ETF's [Member] | Level I [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | $ 5,246 | $ 4,410 |
Mutual Funds and ETF's [Member] | Level II [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | 0 | 0 |
Mutual Funds and ETF's [Member] | Level III [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | 0 | 0 |
Corporate Bonds [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | $ 2,191 | $ 2,672 |
Allocation | 15.70% | 20.20% |
Corporate Bonds [Member] | Minimum [Member] |  |  |
Target Allocations of Assets [Abstract] |  |  |
Target plan asset allocations | 30.00% |  |
Corporate Bonds [Member] | Maximum [Member] |  |  |
Target Allocations of Assets [Abstract] |  |  |
Target plan asset allocations | 50.00% |  |
Corporate Bonds [Member] | Level I [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | $ 0 | $ 0 |
Corporate Bonds [Member] | Level II [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | 2,191 | 2,672 |
Corporate Bonds [Member] | Level III [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | 0 | 0 |
Common Stock [Member] |  |  |
Plan assets at fair value [Abstract] |  |  |
Fair value of plan assets | $ 686 | $ 627 |
Allocation | 4.90% | 4.70% |

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