DERIVATIVES AND HEDGING ACTIVITIES - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Derivative [Line Items]
Liability for cash collateral received from counterparties	$ 6,900		$ 6,900		$ 10,400
Receivable for cash collateral paid to counterparties	200		200		200
Notional amount of open interest rate swap agreements	393,688		393,688		338,586
Interest income, securities, US treasury	500	$ 300	900	$ 600
Interest rate swaps, back-to-back
Derivative [Line Items]
Notional amount of open interest rate swap agreements	$ 204,000		$ 204,000		$ 223,000

Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.

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