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Short-Term and Long-Term Borrowings (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Short-Term and Long-Term Borrowings [Abstract]    
Secured borrowings $ 0 $ 0
Federal Funds purchased 0 0
Collateral borrowing capacity with FHLB 349,068  
Unsecured lines of credit with correspondent banks 82,000  
Long-term borrowings $ 0 $ 0