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Other Operating Expenses - Components of Other Operating Expenses (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Other Income And Expenses [Abstract]    
Fees for professional services $ 995 $ 1,217
Postage, stationery and supplies 753 749
Telephone/data communication 671 642
Advertising and marketing 308 242
Computer services 967 441
Collection and recoveries 367 577
Other services 398 488
Insurance expense 579 574
FDIC insurance and state assessments 462 641
Other 2,070 2,031
Total $ 7,570 $ 7,602