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Deposits - Summary of Time Certificates of Deposit Accounts Included in Total Deposits and Their Remaining Maturities (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Deposits [Abstract]  
2014 $ 122,126
2015 43,106
2016 40,874
2017 20,608
2018 27,043
Thereafter 12,005
Total $ 265,762