NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS - Changes in Servicing Assets (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2015		Mar. 31, 2014
Servicing Assets At Amortized Value [Line Items]
Balance at beginning of period	$ 22,838		$ 21,987
Capitalization of servicing assets	1,073		1,052
Amortization	(856)		(783)
Adjustment to servicing assets for loans repurchased	(44)	[1]	(11)	[1]
Adjustment to fair value	(38)		(219)
Balance at end of period	$ 22,973		$ 22,026

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