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Deposits (Scheduled Maturities Of Time Deposits) (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Banking and Thrift [Abstract]    
2017 $ 846,160  
2018 409,785  
2019 482,977  
2020 181,197  
2021 104,578  
Thereafter 111  
Total time deposits $ 2,024,808 $ 2,086,154