Loans Held-for-Sale - Schedule of Activity Relating to Our Loans Held-for-Sale (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2011
Loans Held-for-Sale, Net
Beginning Balance, book	$ 0
Valuation allowance on loans held-for-sale	(1,259)	1,456
Ending Balance, book	0
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
Loans sold	(6,601)
Ending Balance, gross
Valuation Allowance [Member]
Loans Held-for-Sale, Net
Beginning Balance, allowance
Reclassification from loans receivable	(4,601)
Valuation allowance on loans held-for-sale	1,259
Loans sold	3,342
Ending Balance, allowance
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	1,259
Loans sold	(3,259)
Ending Balance, book