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Maturities of Time Deposits (Detail)
$ in Thousands
Dec. 31, 2015
USD ($)
Time Deposits [Line Items]  
2016 $ 31,530
2017 12,101
2018 7,939
2019 2,025
2020 2,195
Thereafter 1,832
Time deposits maturities, after next twelve months $ 57,622