NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS - Weighted-Averages of Key Economic Assumptions in Valuation Model (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS [Abstract]
Carrying amount of servicing assets	$ 29,037	$ 30,986	$ 33,071	$ 26,762
Fair value	$ 44,710	$ 42,132
Weighted-average expected life	7 years 9 months 18 days	7 years 11 months 15 days
Constant prepayment rate	6.40%	6.55%
Decrease in fair value due to 10% adverse change	$ 1,048	$ 1,027
Decrease in fair value due to 20% adverse change	$ 2,054	$ 2,011
Discount rate	10.69%	11.17%
Decrease in fair value due to 10% adverse change	$ 1,925	$ 1,852
Decrease in fair value due to 20% adverse change	$ 3,704	$ 3,561