NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS - Changes in Servicing Assets (Detail) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2016	Mar. 31, 2015
Servicing Assets At Amortized Value [Line Items]
Balance at beginning of period		$ 24,282	$ 22,838
Capitalization of servicing assets		1,161	1,073
Amortization		(798)	(856)
Adjustment to servicing assets for loans repurchased	[1]	20	(44)
Adjustment to fair value		27	(38)
Balance at end of period		$ 24,692	$ 22,973

[1] Amount represents the adjustment to fair value related to the repurchase of loans serviced for others.