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ACCUMULATED OTHER COMPREHENSIVE (LOSS) INCOME, Components of Accumulated Other Comprehensive Income (Loss), Net of Tax (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Components of accumulated other comprehensive loss, net of tax [Abstract] |  |  |  |
Net unrealized gain on securities available for sale |  | $ (47,487) | $ 385 |
Tax effect |  | 9,973 | (81) |
Net -of-tax amount |  | (37,514) | 304 |
Unrealized loss on interest rate swap [Abstract] |  |  |  |
Unrealized loss on interest rate swap |  | 6,873 | 1,910 |
Tax effect |  | 1,444 | 401 |
Net -of-tax amount |  | 5,429 | 1,509 |
Unrecognized pension costs [Abstract] |  |  |  |
Unrecognized pension costs |  | (1,336) | (2,491) |
Tax effect |  | 280 | 523 |
Net -of-tax amount |  | (1,056) | (1,968) |
Total accumulated other comprehensive loss |  | (33,141) | (155) |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Balance |  | 212,492 | 194,259 | $ 154,774
Other comprehensive income (loss) before reclassifications (net of tax) |  | (32,959) | (2,954) | 3,285
Amounts reclassified from accumulated other comprehensive (loss) income (net of tax) |  | (27) | 212 | (69)
Net other comprehensive (loss) income |  | (32,986) | (2,742) | 3,216
Balance |  | 200,147 | 212,492 | 194,259
Accumulated Other Comprehensive Income (Loss) [Member] |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Balance |  | (155) | 2,587 | (629)
Net other comprehensive (loss) income |  | (32,986) | (2,742) | 3,216
Balance |  | (33,141) | (155) | 2,587
Unrealized Gain (Loss) on Available for Sale Securities [Member] |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Balance | [1] | 304 | 6,058 | 2,290
Other comprehensive income (loss) before reclassifications (net of tax) | [1] | (37,829) | (5,586) | 4,008
Amounts reclassified from accumulated other comprehensive (loss) income (net of tax) | [1] | 11 | (168) | (240)
Net other comprehensive (loss) income | [1] | (37,818) | (5,754) | 3,768
Balance | [1] | (37,514) | 304 | 6,058
Unrealized Gain (Loss) on Interest Rate Swap [Member] |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Balance | [1] | 1,509 | (9) | 0
Other comprehensive income (loss) before reclassifications (net of tax) | [1] | 4,034 | 1,403 | 4
Amounts reclassified from accumulated other comprehensive (loss) income (net of tax) | [1] | (114) | 115 | (13)
Net other comprehensive (loss) income | [1] | 3,920 | 1,518 | (9)
Balance | [1] | 5,429 | 1,509 | (9)
Defined Benefit Pension Items [Member] |  |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |  |
Balance | [1] | (1,968) | (3,462) | (2,919)
Other comprehensive income (loss) before reclassifications (net of tax) | [1] | 836 | 1,229 | (727)
Amounts reclassified from accumulated other comprehensive (loss) income (net of tax) | [1] | 76 | 265 | 184
Net other comprehensive (loss) income | [1] | 912 | 1,494 | (543)
Balance | [1] | $ (1,056) | $ (1,968) | $ (3,462)
[1] | Amounts in parentheses indicate debits

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