LOAN PORTFOLIO - Activity for Specific Reserve (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Sep. 30, 2013
Specific Reserve:
Balance at beginning of period	$ 68,358	$ 102,601	$ 106,175
Provision for loan losses	18,189	48,631
Charge-offs	(31,263)	(95,948)
Balance at end of period	$ 55,284	$ 55,284	$ 106,175