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LOANS AND ALLOWANCE FOR CREDIT LOSSES, Recorded Investment of Residential and Consumer Loans (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |
Total ending loans balance | $ 1,130,534 |  | $ 1,130,534 |  | $ 1,061,825
Current Period gross charge-offs | $ 550 | $ 723 | $ 1,863 | $ 1,872 |
Percentage of unsecured loans | 3.65% |  | 3.65% |  | 4.16%
Residential Real Estate [Member] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |
2025/2024 | $ 50,708 |  | $ 50,708 |  | $ 57,385
2024/2023 | 62,380 |  | 62,380 |  | 57,780
2023/2022 | 53,919 |  | 53,919 |  | 40,461
2022/2021 | 36,995 |  | 36,995 |  | 46,150
2021/2020 | 42,912 |  | 42,912 |  | 39,023
Prior | 125,068 |  | 125,068 |  | 99,258
Revolving Loans Amortized Cost Basis | 1,724 |  | 1,724 |  | 33,477
Total ending loans balance | 373,706 |  | 373,706 |  | 373,534
2025/2024 |  |  | 0 |  | 0
2024/2023 |  |  | 100 |  | 0
2023/2022 |  |  | 0 |  | 15
2022/2021 |  |  | 15 |  | 0
2021/2020 |  |  | 23 |  | 0
Prior |  |  | 15 |  | 27
Revolving Loans Amortized Cost Basis |  |  | 0 |  | 0
Current Period gross charge-offs | 137 | 0 | 153 | 37 | 42
Residential Real Estate [Member] | Performing [Member] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |
2025/2024 | 50,708 |  | 50,708 |  | 57,385
2024/2023 | 62,056 |  | 62,056 |  | 57,546
2023/2022 | 53,701 |  | 53,701 |  | 40,026
2022/2021 | 36,550 |  | 36,550 |  | 46,067
2021/2020 | 42,884 |  | 42,884 |  | 38,969
Prior | 123,954 |  | 123,954 |  | 98,084
Revolving Loans Amortized Cost Basis | 1,724 |  | 1,724 |  | 33,477
Total ending loans balance | 371,577 |  | 371,577 |  | 371,554
Residential Real Estate [Member] | Nonperforming [Member] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |
2025/2024 | 0 |  | 0 |  | 0
2024/2023 | 324 |  | 324 |  | 234
2023/2022 | 218 |  | 218 |  | 435
2022/2021 | 445 |  | 445 |  | 83
2021/2020 | 28 |  | 28 |  | 54
Prior | 1,114 |  | 1,114 |  | 1,174
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Total ending loans balance | 2,129 |  | 2,129 |  | 1,980
Consumer [Member] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |
Current Period gross charge-offs | 413 | $ 611 | 1,550 | $ 1,614 |
Consumer [Member] | Automobile [Member] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |
2025/2024 | 8,053 |  | 8,053 |  | 13,788
2024/2023 | 9,065 |  | 9,065 |  | 18,295
2023/2022 | 11,626 |  | 11,626 |  | 12,770
2022/2021 | 8,150 |  | 8,150 |  | 3,698
2021/2020 | 2,054 |  | 2,054 |  | 1,273
Prior | 558 |  | 558 |  | 422
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Total ending loans balance | 39,506 |  | 39,506 |  | 50,246
2025/2024 |  |  | 8 |  | 91
2024/2023 |  |  | 217 |  | 364
2023/2022 |  |  | 275 |  | 232
2022/2021 |  |  | 94 |  | 34
2021/2020 |  |  | 7 |  | 22
Prior |  |  | 16 |  | 7
Revolving Loans Amortized Cost Basis |  |  | 0 |  | 0
Current Period gross charge-offs |  |  | 617 |  | 750
Consumer [Member] | Home Equity [Member] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |
2025/2024 | 40 |  | 40 |  | 317
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 61
2022/2021 | 0 |  | 0 |  | 152
2021/2020 | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost Basis | 47,327 |  | 47,327 |  | 41,943
Total ending loans balance | 47,367 |  | 47,367 |  | 42,473
2025/2024 |  |  | 0 |  | 0
2024/2023 |  |  | 0 |  | 0
2023/2022 |  |  | 0 |  | 0
2022/2021 |  |  | 0 |  | 0
2021/2020 |  |  | 0 |  | 0
Prior |  |  | 0 |  | 0
Revolving Loans Amortized Cost Basis |  |  | 31 |  | 0
Current Period gross charge-offs |  |  | 31 |  | 0
Consumer [Member] | Other [Member] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |
2025/2024 | 9,598 |  | 9,598 |  | 13,113
2024/2023 | 13,738 |  | 13,738 |  | 18,492
2023/2022 | 6,910 |  | 6,910 |  | 8,782
2022/2021 | 5,565 |  | 5,565 |  | 6,626
2021/2020 | 4,099 |  | 4,099 |  | 2,392
Prior | 1,819 |  | 1,819 |  | 980
Revolving Loans Amortized Cost Basis | 13,350 |  | 13,350 |  | 13,760
Total ending loans balance | 55,079 |  | 55,079 |  | 64,145
2025/2024 |  |  | 275 |  | 443
2024/2023 |  |  | 74 |  | 192
2023/2022 |  |  | 125 |  | 156
2022/2021 |  |  | 51 |  | 107
2021/2020 |  |  | 59 |  | 52
Prior |  |  | 28 |  | 29
Revolving Loans Amortized Cost Basis |  |  | 290 |  | 495
Current Period gross charge-offs |  |  | 902 |  | 1,474
Consumer [Member] | Performing [Member] | Automobile [Member] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |
2025/2024 | 8,038 |  | 8,038 |  | 13,643
2024/2023 | 8,957 |  | 8,957 |  | 18,133
2023/2022 | 11,565 |  | 11,565 |  | 12,693
2022/2021 | 8,050 |  | 8,050 |  | 3,686
2021/2020 | 2,052 |  | 2,052 |  | 1,268
Prior | 553 |  | 553 |  | 405
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Total ending loans balance | 39,215 |  | 39,215 |  | 49,828
Consumer [Member] | Performing [Member] | Home Equity [Member] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |
2025/2024 | 40 |  | 40 |  | 317
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 61
2022/2021 | 0 |  | 0 |  | 152
2021/2020 | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost Basis | 47,005 |  | 47,005 |  | 41,579
Total ending loans balance | 47,045 |  | 47,045 |  | 42,109
Consumer [Member] | Performing [Member] | Other [Member] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |
2025/2024 | 9,596 |  | 9,596 |  | 13,110
2024/2023 | 13,705 |  | 13,705 |  | 18,442
2023/2022 | 6,866 |  | 6,866 |  | 8,768
2022/2021 | 5,536 |  | 5,536 |  | 6,580
2021/2020 | 4,075 |  | 4,075 |  | 2,367
Prior | 1,798 |  | 1,798 |  | 973
Revolving Loans Amortized Cost Basis | 13,350 |  | 13,350 |  | 13,760
Total ending loans balance | 54,926 |  | 54,926 |  | 64,000
Consumer [Member] | Nonperforming [Member] | Automobile [Member] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |
2025/2024 | 15 |  | 15 |  | 145
2024/2023 | 108 |  | 108 |  | 162
2023/2022 | 61 |  | 61 |  | 77
2022/2021 | 100 |  | 100 |  | 12
2021/2020 | 2 |  | 2 |  | 5
Prior | 5 |  | 5 |  | 17
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Total ending loans balance | 291 |  | 291 |  | 418
Consumer [Member] | Nonperforming [Member] | Home Equity [Member] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |
2025/2024 | 0 |  | 0 |  | 0
2024/2023 | 0 |  | 0 |  | 0
2023/2022 | 0 |  | 0 |  | 0
2022/2021 | 0 |  | 0 |  | 0
2021/2020 | 0 |  | 0 |  | 0
Prior | 0 |  | 0 |  | 0
Revolving Loans Amortized Cost Basis | 322 |  | 322 |  | 364
Total ending loans balance | 322 |  | 322 |  | 364
Consumer [Member] | Nonperforming [Member] | Other [Member] |  |  |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |  |  |
2025/2024 | 2 |  | 2 |  | 3
2024/2023 | 33 |  | 33 |  | 50
2023/2022 | 44 |  | 44 |  | 14
2022/2021 | 29 |  | 29 |  | 46
2021/2020 | 24 |  | 24 |  | 25
Prior | 21 |  | 21 |  | 7
Revolving Loans Amortized Cost Basis | 0 |  | 0 |  | 0
Total ending loans balance | $ 153 |  | $ 153 |  | $ 145

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