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Deposits (Schedule of Composition of Deposits) (Detail) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Other Liabilities Disclosure [Abstract]    
Noninterest checking $ 90,308 $ 77,031
Interest bearing checking 86,373 87,350
Savings 74,538 71,474
Money market 91,560 94,880
Time certificates of deposit 151,406 152,447
Total deposits $ 494,185 $ 483,182