Loans Held-for-Sale - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified	12 Months Ended			3 Months Ended	12 Months Ended	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2011	Dec. 31, 2012	Mar. 31, 2013 Loans Held-for-Sale, Net [Member]	Dec. 31, 2013 Loans Held-for-Sale, Net [Member]	Mar. 31, 2013 Subordinate Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Amount reclassified on subordinate mortgage loan				$ 4,600		$ 6,600
Recovery of valuation allowance on loans held for sale	1,259	(1,456)			(1,259)
Loans held-for-sale	$ 0		$ 0