LOANS AND ALLOWANCE FOR CREDIT LOSSES - Summary of Amortized Cost Basis of Collateral-dependent Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for Credit Losses Allocation	$ 29,282	$ 30,920	$ 31,759	$ 31,974
Collateral Dependent Loans
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost		14,744
Allowance for Credit Losses Allocation		217
Real Estate | Collateral Dependent Loans
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost		14,527
Non-RE | Collateral Dependent Loans
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost		217
Commercial and industrial
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for Credit Losses Allocation	3,186	3,719	4,272	4,382
Commercial and industrial | Collateral Dependent Loans
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost		217
Allowance for Credit Losses Allocation		217
Commercial and industrial | Non-RE | Collateral Dependent Loans
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost		217
Commercial real estate
Financing Receivable Allowance For Credit Losses [Line Items]
Allowance for Credit Losses Allocation	$ 12,179	12,257	$ 12,707	$ 12,658
Commercial real estate | Collateral Dependent Loans
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost		14,527
Commercial real estate | Real Estate | Collateral Dependent Loans
Financing Receivable Allowance For Credit Losses [Line Items]
Amortized cost		$ 14,527