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Short-Term and Long-Term Borrowings (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Short-Term and Long-Term Borrowings [Abstract]    
Secured borrowings from U.S. Treasury $ 0 $ 0
Federal Funds purchased 0 0
Collateral borrowing capacity with FHLB 246,277  
Unsecured lines of credit with correspondent banks 57,000  
Long-term borrowings 0 0
Average outstanding balances of long-term borrowings consisting of FHLB advances $ 0 $ 0
Weighted average interest rate paid 0.00% 0.00%