LOANS AND ALLOWANCE FOR CREDIT LOSSES - Schedule of Allowance for Credit Losses on Unfunded Loan Commitments (Details) - Unfunded Loan Commitment - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Off-Balance Sheet, Credit Loss, Liability [Roll Forward] | ||||
| Balance at beginning of period | $ 31,531 | $ 29,603 | $ 35,633 | $ 21,654 |
| Provision for credit losses on unfunded loan commitments acquired during the period | 0 | 0 | 0 | 6,458 |
| Provision (release) for credit losses on unfunded loan commitments | 343 | 2,735 | (3,759) | 4,226 |
| Balance at end of period | $ 31,874 | $ 32,338 | $ 31,874 | $ 32,338 |