DERIVATIVES AND HEDGING ACTIVITIES - Classification on Consolidated Statements of Financial Condition (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($) DerivativeInstrument	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($) DerivativeInstrument
Cash Flow Hedges
Collateral received against obligations in net asset position	$ 7,400		$ 9,100
Not Designated as Hedging Instrument
Cash Flow Hedges
Loan level derivative income	$ 61	$ 406
Loan level interest rate swaps with borrower (assets) | Not Designated as Hedging Instrument
Cash Flow Hedges
Count, assets | DerivativeInstrument	48		23
Notional amount, assets	$ 539,938		$ 321,745
Fair value assets	$ 9,396		$ 3,704
Loan level interest rate swaps with borrower (liabilities) | Not Designated as Hedging Instrument
Cash Flow Hedges
Count, liabilities | DerivativeInstrument	171		202
Notional amount, liabilities	$ 1,104,821		$ 1,344,204
Fair value liabilities	(82,753)		$ (104,474)
Collateral already posted, aggregate fair value	$ 0
Loan level interest rate swaps with third party counterparties (assets) | Not Designated as Hedging Instrument
Cash Flow Hedges
Count, assets | DerivativeInstrument	171		202
Notional amount, assets	$ 1,104,821		$ 1,344,204
Fair value assets	82,753		104,474
Collateral received against obligations in net asset position	$ 77,800		$ 103,300
Loan level interest rate swaps with third party counterparties (liabilities) | Not Designated as Hedging Instrument
Cash Flow Hedges
Count, liabilities | DerivativeInstrument	48		23
Notional amount, liabilities	$ 539,938		$ 321,745
Fair value liabilities	$ (9,396)		$ (3,704)