CREDIT QUALITY ASSESSMENT - Allowance for Credit Loss Activity (Detail) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of period	$ 109,145	$ 165,367	$ 165,367
Provision/ (credit) for credit losses	1,635	(34,708)	(45,556)
Loan charge-offs	(306)	(743)	(12,313)
Loan recoveries	114	445	1,647
Net recoveries (charge-offs)	(192)	(298)	(10,666)
Balance at period end	$ 110,588	$ 130,361	$ 109,145