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Other Real Estate Owned Net - Components of Expenses Applicable to Foreclosed Assets (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Real Estate Acquired Through Foreclosure Or Similar Procedures [Line Items]    
Net loss on sales of real estate $ 107 $ 92
Provision for losses 288 235
Operating expenses, net of income 68 131
Total expenses $ 463 $ 458