COMMITMENTS AND CONTINGENCIES - Deposits (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
|
| COMMITMENTS AND CONTINGENCIES | ||
| Deposits | $ 2,265,390 | $ 2,213,640 |
| Deposits | Top Ten Depositors | ||
| COMMITMENTS AND CONTINGENCIES | ||
| Deposits | $ 298,500 | $ 235,800 |
| Deposits | Deposits | Top Ten Depositors | ||
| COMMITMENTS AND CONTINGENCIES | ||
| Concentration risk as a percentage | 13.20% | 11.70% |