FAIR VALUE - Reconciliation of Fair Value of Assets and Liabilities Measured on Recurring Basis Level 3 (Detail) - Fair Value Inputs Level 3 [Member] - Available for Sale Securities [Member] - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 14,590	$ 17,238
Total gains or (losses) (realized/unrealized):
Included in other comprehensive income	240	(23)
Included in earnings	(368)	0
Principal repayments and amortization	(693)	(509)
Ending balance	$ 13,769	$ 16,706