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Loans Receivable, Net - Analysis of Allowance for Loan Losses (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Allowance for Loan and Lease Losses [Roll Forward]        
Balance at beginning of period $ 16,151 $ 16,214 $ 15,183 $ 16,722
Provision charged to operations 1,165 662 1,865 1,225
Charge-offs (1,299) (223) (1,504) (1,395)
Recoveries 540 25 1,013 126
Balance at end of period $ 16,557 $ 16,678 $ 16,557 $ 16,678