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ALLOWANCE FOR CREDIT LOSSES FOR LOANS - Loan Balances Individually and Collectively Evaluated by Type of Loan (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
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ALLOWANCE FOR CREDIT LOSSES FOR LOANS |  |  |  |  |  |
Allowance for credit losses, Loans individually evaluated | $ 868 |  |  | $ 443 |  |
Allowance for credit losses, Loans collectively evaluated | 19,710 |  |  | 17,513 |  |
Allowance for credit losses | 20,800 | $ 18,700 | $ 17,900 | 18,310 | $ 19,000 | $ 22,000
Loans receivable, Individually evaluated | 18,755 |  |  | 18,052 |  |
Loans receivable, Collectively evaluated | 2,005,815 |  |  | 1,869,988 |  |
Total loans receivable | 2,041,683 |  | 1,952,747 | 1,911,921 |  |
PCD loans |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES FOR LOANS |  |  |  |  |  |
Allowance for credit losses | 222 |  |  | 354 |  |
Total loans receivable | 17,113 |  |  | 23,881 |  |
Commercial and industrial |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES FOR LOANS |  |  |  |  |  |
Allowance for credit losses, Loans individually evaluated |  |  |  | 44 |  |
Allowance for credit losses, Loans collectively evaluated | 4,438 |  |  | 4,929 |  |
Allowance for credit losses | 4,438 | 4,467 | 4,681 | 5,000 | 3,987 | 4,216
Loans receivable, Individually evaluated |  |  |  | 1,191 |  |
Loans receivable, Collectively evaluated | 177,250 |  |  | 173,116 |  |
Total loans receivable | 177,250 |  | 173,948 | 174,430 |  |
Commercial and industrial | PCD loans |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES FOR LOANS |  |  |  |  |  |
Allowance for credit losses |  |  |  | 27 |  |
Total loans receivable |  |  |  | 123 |  |
Construction and land |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES FOR LOANS |  |  |  |  |  |
Allowance for credit losses, Loans collectively evaluated | 275 |  |  | 118 |  |
Allowance for credit losses | 275 | 141 | 72 | 118 | 105 | 298
Loans receivable, Collectively evaluated | 5,124 |  |  | 2,620 |  |
Total loans receivable | 5,124 |  | 1,515 | 2,631 |  |
Construction and land | PCD loans |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES FOR LOANS |  |  |  |  |  |
Total loans receivable |  |  |  | 11 |  |
Commercial real estate |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES FOR LOANS |  |  |  |  |  |
Allowance for credit losses, Loans individually evaluated | 868 |  |  | 194 |  |
Allowance for credit losses, Loans collectively evaluated | 12,940 |  |  | 10,942 |  |
Allowance for credit losses | 14,029 | 12,327 | 11,365 | 11,459 | 13,695 | 16,498
Loans receivable, Individually evaluated | 18,044 |  |  | 15,582 |  |
Loans receivable, Collectively evaluated | 1,708,222 |  |  | 1,592,348 |  |
Total loans receivable | 1,743,268 |  | 1,667,231 | 1,631,373 |  |
Commercial real estate | PCD loans |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES FOR LOANS |  |  |  |  |  |
Allowance for credit losses | 221 |  |  | 323 |  |
Total loans receivable | 17,002 |  |  | 23,443 |  |
Residential |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES FOR LOANS |  |  |  |  |  |
Allowance for credit losses, Loans individually evaluated |  |  |  | 205 |  |
Allowance for credit losses, Loans collectively evaluated | 2,051 |  |  | 1,519 |  |
Allowance for credit losses | 2,052 | 1,761 | 1,780 | 1,728 | 1,205 | 979
Loans receivable, Individually evaluated | 711 |  |  | 1,279 |  |
Loans receivable, Collectively evaluated | 114,470 |  |  | 101,507 |  |
Total loans receivable | 115,292 |  | 109,662 | 103,090 |  |
Residential | PCD loans |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES FOR LOANS |  |  |  |  |  |
Allowance for credit losses | 1 |  |  | 4 |  |
Total loans receivable | 111 |  |  | 304 |  |
Consumer |  |  |  |  |  |
ALLOWANCE FOR CREDIT LOSSES FOR LOANS |  |  |  |  |  |
Allowance for credit losses, Loans collectively evaluated | 6 |  |  | 5 |  |
Allowance for credit losses | 6 | $ 4 | 2 | 5 | $ 8 | $ 9
Loans receivable, Collectively evaluated | 749 |  |  | 397 |  |
Total loans receivable | $ 749 |  | $ 391 | $ 397 |  |

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