Loans Receivable, Net - Analysis of Allowance for Loan Losses (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Receivables [Abstract]
Balance at beginning of period	$ 20,930	$ 20,510
Provision charged to operations	530	1,100
Charge-offs	(740)	(1,361)
Recoveries	214	245
Balance at end of period	$ 20,934	$ 20,494