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Loans Receivable, Net - Analysis of Allowance for Loan Losses (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Receivables [Abstract]    
Balance at beginning of period $ 16,722 $ 16,317
Provision charged to operations 563 375
Charge-offs (1,172) (358)
Recoveries 101 85
Balance at end of period $ 16,214 $ 16,419