NON-CONSOLIDATED VARIABLE INTEREST ENTITIES (VIEs) AND SERVICING ASSETS - Weighted-Averages of Key Economic Assumptions in Valuation Model (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
NON-CONSOLIDATED VARIABLE INTEREST ENTITIES (VIEs) AND SERVICING ASSETS [Abstract]
Carrying amount of servicing assets	$ 26,941	$ 29,037	$ 30,986	$ 33,071
Fair value	$ 45,244	$ 44,710
Weighted-average expected life	7 years 9 months 14 days	7 years 9 months 18 days
Constant prepayment rate	6.27%	6.40%
Decrease in fair value due to 10% adverse change	$ 886	$ 1,048
Decrease in fair value due to 20% adverse change	$ 1,731	$ 2,054
Discount rate	10.68%	10.69%
Decrease in fair value due to 10% adverse change	$ 1,927	$ 1,925
Decrease in fair value due to 20% adverse change	$ 3,712	$ 3,704