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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Amortized Cost Basis of Collateral-dependent Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024 | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | --- | --- | ---
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Allowance for Credit Losses Allocation | $ 27,586 | $ 28,290 | $ 29,282 | $ 30,920
Collateral Dependent Loans |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Amortized Cost | 630 | 1,530 |  |
Allowance for Credit Losses Allocation | 132 | 250 |  |
Real Estate | Collateral Dependent Loans |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Amortized Cost | 506 | 1,530 |  |
Non-RE | Collateral Dependent Loans |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Amortized Cost | 124 |  |  |
Commercial and industrial |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Allowance for Credit Losses Allocation | 2,583 | 2,973 | 3,186 | 3,719
Commercial and industrial | Collateral Dependent Loans |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Amortized Cost | 124 |  |  |
Allowance for Credit Losses Allocation | 32 |  |  |
Commercial and industrial | Non-RE | Collateral Dependent Loans |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Amortized Cost | 124 |  |  |
Commercial real estate |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Allowance for Credit Losses Allocation | 11,493 | 11,718 | $ 12,179 | $ 12,257
Commercial real estate | Collateral Dependent Loans |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Amortized Cost | 506 | 1,530 |  |
Allowance for Credit Losses Allocation | 100 | 250 |  |
Commercial real estate | Real Estate | Collateral Dependent Loans |  |  |  |
Financing Receivable Allowance For Credit Losses [Line Items] |  |  |  |
Amortized Cost | $ 506 | $ 1,530 |  |

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