ALLOWANCE FOR CREDIT LOSSES FOR LOANS AND FINANCE LEASES - Activity in ACL for unfunded loan commitments and standby letters of credit (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable Allowance For Credit Losses [Line Items]
Beginning balance	$ 4,273	$ 1,537	$ 5,105
Provision for credit losses - (benefit) expense	365	2,736	(3,568)
Ending balance	$ 4,638	$ 4,273	$ 1,537