Loans Receivable, Net - Analysis of Allowance for Loan Losses (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Receivables [Abstract]
Balance at beginning of year	$ 16,317	$ 20,930	$ 20,510
Provision charged to operations	1,275	2,630	2,800
Charge-offs	(1,135)	(7,827)	(3,521)
Recoveries	265	584	1,141
Balance at end of year	$ 16,722	$ 16,317	$ 20,930