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Time Deposit - Summary of Scheduled Maturities of all Time Deposits (Detail) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Investments Schedule [Abstract]  
2014 $ 524,822
2015 119,599
2016 48,645
2017 38,001
2018 42,970
Thereafter 157
Total $ 774,194