LOAN PORTFOLIO - Activity for Specific Reserve (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013	Sep. 30, 2012
Specific Reserve:
Balance at beginning of period	$ 114,953	$ 221,749	$ 194,154
Provision for loan losses	10,925	176,101
Charge-offs	(19,703)	(291,675)
Balance at end of period	$ 106,175	$ 106,175	$ 194,154