Loans Held-For-Sale - Schedule of Activity Relating to Our Loans Held-for-Sale (Detail) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013
Loans Held-for-Sale, Net
Ending Balance, book	$ 3,800
Gross Book Value [Member]
Loans Held-for-Sale, Net
Beginning Balance, gross
Reclassification from loans receivable	6,601
Valuation allowance on loans held-for-sale	0
Ending Balance, gross	6,601
Valuation Allowance [Member]
Loans Held-for-Sale, Net
Beginning Balance, allowance
Reclassification from loans receivable	(4,601)
Valuation allowance on loans held-for-sale	1,800
Ending Balance, allowance	(2,801)
Net Book Value [Member]
Loans Held-for-Sale, Net
Beginning Balance, book
Reclassification from loans receivable	2,000
Valuation allowance on loans held-for-sale	1,800
Ending Balance, book	$ 3,800