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CAPITAL RATIOS AND SHAREHOLDERS' EQUITY - Components of OCIL (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Net unrealized gain (loss) arising during the period |  |  |  |  |  |
Before Tax | $ 1,413 | $ 63 |  |  | $ (899) | $ (892)
Other comprehensive income (loss) |  |  |  |  |  |
Before Tax | 11,329 | 16,229 |  |  | 14,463 | 8,898
Tax Effect | (2,545) | (3,827) |  |  | (2,952) | (2,121)
Total other comprehensive income (loss) | 8,784 | 12,402 | $ 2,727 | $ (5,625) | 11,511 | 6,777
Net unrealized gain (loss) on AFS securities: |  |  |  |  |  |
Net unrealized gain (loss) arising during the period |  |  |  |  |  |
Before Tax | 9,718 | 16,147 |  |  | 12,711 | 10,093
Tax Effect | (2,165) | (3,808) |  |  | (2,531) | (2,380)
Net of Tax | 7,553 | 12,339 |  |  | 10,180 | 7,713
Less: reclassification adjustment for gains (losses) realized in net income |  |  |  |  |  |
Before Tax | 241 |  |  |  | (2,959) | 50
Tax Effect | (59) |  |  |  | 729 | (12)
Net of Tax | 182 |  |  |  | (2,230) | 38
Other comprehensive income (loss) |  |  |  |  |  |
Before Tax | 9,477 | 16,147 |  |  | 15,670 | 10,043
Tax Effect | (2,106) | (3,808) |  |  | (3,260) | (2,368)
Total other comprehensive income (loss) | 7,371 | 12,339 |  |  | 12,410 | 7,675
Net unrealized gain (loss) on hedging derivatives |  |  |  |  |  |
Net unrealized gain (loss) arising during the period |  |  |  |  |  |
Before Tax | 1,852 | 82 |  |  | (1,207) | (1,167)
Tax Effect | (439) | (19) |  |  | 308 | 275
Net of Tax | 1,413 | 63 |  |  | (899) | (892)
Other comprehensive income (loss) |  |  |  |  |  |
Before Tax | 1,852 | 82 |  |  | (1,207) | (1,167)
Tax Effect | (439) | (19) |  |  | 308 | 275
Total other comprehensive income (loss) | $ 1,413 | $ 63 |  |  | $ (899) | (892)
Net unrealized gain (loss) on post-retirement plans |  |  |  |  |  |
Net unrealized gain (loss) arising during the period |  |  |  |  |  |
Before Tax |  |  |  |  |  | 22
Tax Effect |  |  |  |  |  | (28)
Net of Tax |  |  |  |  |  | (6)
Other comprehensive income (loss) |  |  |  |  |  |
Before Tax |  |  |  |  |  | 22
Tax Effect |  |  |  |  |  | (28)
Total other comprehensive income (loss) |  |  |  |  |  | $ (6)

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