DERIVATIVES AND HEDGING ACTIVITIES - Agreements with Derivative Counterparties (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Loan level swaps
DERIVATIVES AND HEDGING ACTIVITIES
Derivative counterparties collateral	$ 13,300,000	$ 11,600,000
Commercial lending swaps
DERIVATIVES AND HEDGING ACTIVITIES
Derivative counterparties collateral	8,900,000	8,200,000
Interest rate swaps
DERIVATIVES AND HEDGING ACTIVITIES
Derivative counterparties collateral	22,200,000	19,200,000
Swaps related to brokered deposits
DERIVATIVES AND HEDGING ACTIVITIES
Collateral from the Company		44,000
Net asset position | Balance sheet hedge
DERIVATIVES AND HEDGING ACTIVITIES
Termination value of derivatives with derivative dealer counterparties	$ 118,000	$ 137,000