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LOANS, ALLOWANCE FOR CREDIT LOSSES - Schedule of Loans Amortized Cost (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
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SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Total Loans | $ 1,368,981 | $ 1,460,792 |
Less Allowance for credit losses | (20,549) | (22,908) | $ (17,939)
Loans receivable, net | $ 1,348,432 | $ 1,437,884 |
Total, percent | 100.00% | 100.00% |
Commercial/Agricultural real estate: |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Less Allowance for credit losses | $ (16,516) | $ (18,784) | (14,085)
Commercial/Agricultural real estate: | Commercial real estate |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Total Loans | $ 707,009 | $ 748,447 |
Total, percent | 51.70% | 51.20% |
Commercial/Agricultural real estate: | Agricultural real estate |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Total Loans | $ 72,738 | $ 83,157 |
Total, percent | 5.30% | 5.70% |
Commercial/Agricultural real estate: | Multi-family real estate |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Total Loans | $ 220,706 | $ 228,004 |
Total, percent | 16.10% | 15.60% |
Commercial/Agricultural real estate: | Construction and land development |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Total Loans | $ 78,146 | $ 110,218 |
Total, percent | 5.70% | 7.50% |
Commercial/Agricultural operating: |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Less Allowance for credit losses | $ (1,330) | $ (1,105) | (2,318)
Commercial/Agricultural operating: | Commercial and industrial |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Total Loans | $ 115,535 | $ 121,190 |
Total, percent | 8.40% | 8.30% |
Commercial/Agricultural operating: | Agricultural operating |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Total Loans | $ 31,017 | $ 25,695 |
Total, percent | 2.30% | 1.80% |
Residential mortgage: |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Less Allowance for credit losses | $ (2,489) | $ (2,744) | (599)
Residential mortgage: | Residential mortgage |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Total Loans | $ 131,892 | $ 128,479 |
Total, percent | 9.60% | 8.80% |
Residential mortgage: | Purchased HELOC loans |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Total Loans | $ 2,956 | $ 2,880 |
Total, percent | 0.20% | 0.20% |
Consumer installment: |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Less Allowance for credit losses | $ (214) | $ (275) | $ (129)
Consumer installment: | Originated indirect paper |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Total Loans | $ 3,970 | $ 6,535 |
Total, percent | 0.30% | 0.40% |
Consumer installment: | Other consumer |  |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |  |
Total Loans | $ 5,012 | $ 6,187 |
Total, percent | 0.40% | 0.40% |

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