Loans Receivable, Net - Analysis of Allowance for Loan Losses (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Receivables [Abstract]
Balance at beginning of period	$ 20,934	$ 20,494	$ 20,930	$ 20,510
Provision charged to operations	275	800	805	1,900
Charge-offs	(419)	(938)	(1,158)	(2,299)
Recoveries	146	464	359	709
Balance at end of period	$ 20,936	$ 20,820	$ 20,936	$ 20,820