DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Effect of Derivative Instruments on Statement of Income (Loss) (Detail) - Not Designated as Hedging Instrument, Economic Hedge [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Economic undesignated hedges:
Total (loss) gain on derivatives	$ (177)	$ (549)	$ 512
Sale of TBA GNMA MBS pools | Mortgage Banking Activities
Economic undesignated hedges:
Total (loss) gain on derivatives	135	114	(54)
Forward loan sales commitments [Member] | Mortgage Banking Activities
Economic undesignated hedges:
Total (loss) gain on derivatives	(20)	0	(37)
Interest Rate Lock Commitments [Member] | Mortgage Banking Activities
Economic undesignated hedges:
Total (loss) gain on derivatives	(322)	(687)	576
Interest Rate Cap [Member] | Interest Income Member
Economic undesignated hedges:
Total (loss) gain on derivatives	28	24	27
Interest Rate Cap [Member] | Mortgage Banking Activities | Interest Income Member
Economic undesignated hedges:
Total (loss) gain on derivatives	$ 2	$ 0	$ 0