NON-CONSOLIDATED VARIABLE INTEREST ENTITIES AND SERVICING ASSETS - Changes in Impairment Allowance (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Valuation Allowance For Impairment Of Recognized Servicing Assets [Line Items]
Balance at beginning of period	$ 392	$ 115	$ 212	$ 672
Temporary impairment charges	53	32	296	147
OTTI of servicing assets	(385)	0	(385)	0
Recoveries	(7)	(64)	(70)	(736)
Balance at end of period	$ 53	$ 83	$ 53	$ 83