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Time Deposits and Related Party Deposits (Narrative) (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Banking and Thrift [Abstract]    
Deposits received from officers and directors $ 1,300,000 $ 1,000,000.0
Time deposits of $250,000 or more 442,200,000 503,100,000
Deposit overdrafts 700 700,000
FDIC insurance limit for insured deposits 250,000  
Brokered deposits $ 86,100,000 $ 239,900,000