REGULATORY MATTERS, COMMITMENTS, AND CONTINGENCIES - Additional Information II (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2023	Dec. 31, 2022
Restricted Cash And Cash Equivalents Items [Line Items]
One-time charge associated with FDIC implementation of special assessment	$ 6,300
Minimum [Member]
Restricted Cash And Cash Equivalents Items [Line Items]
Average weekly demand deposit reserve		$ 1,000,000	$ 1,100,000
Time Deposits [Member]
Restricted Cash And Cash Equivalents Items [Line Items]
Deposits with other financial instiutions	$ 300	$ 300	$ 300