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Deposits - Summary of Major Types of Deposits (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Banking And Thrift [Abstract]    
Non-interest-bearing $ 271,208 $ 207,608
Interest-bearing checking 817,085 913,753
Money market deposit 107,365 116,947
Savings 295,133 290,512
Time deposits 214,719 217,943
Total deposits $ 1,705,510 $ 1,746,763