DERIVATIVE INSTRUMENTS - Interest Rate Lock Commitments and Forward Commitments (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Other assets
Fair value of the Company's derivative financial instruments as well as their classification on the consolidated statements of condition
Notational amount, asset	$ 14,958	$ 2,078
Fair value gain (loss)	174	49
Other liabilities
Fair value of the Company's derivative financial instruments as well as their classification on the consolidated statements of condition
Fair value gain (loss)	0	(15)
Notional amount, liability	0	11,088
Interest rate lock commitments | Other assets
Fair value of the Company's derivative financial instruments as well as their classification on the consolidated statements of condition
Notational amount, asset	6,127	2,078
Fair value gain (loss)	119	49
Interest rate lock commitments | Other liabilities
Fair value of the Company's derivative financial instruments as well as their classification on the consolidated statements of condition
Fair value gain (loss)	0	(15)
Notional amount, liability	0	4,419
Forward commitments to sell mortgage-backed securities | Other assets
Fair value of the Company's derivative financial instruments as well as their classification on the consolidated statements of condition
Notational amount, asset	8,831	0
Fair value gain (loss)	55	0
Forward commitments to sell mortgage-backed securities | Other liabilities
Fair value of the Company's derivative financial instruments as well as their classification on the consolidated statements of condition
Fair value gain (loss)	0	0
Notional amount, liability	$ 0	$ 6,669