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Interest-Bearing Deposits (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Banking and Thrift [Abstract]    
Interest-bearing time deposits in denominations of $250,000 or more $ 36,200,000 $ 26,600,000
Certificates of deposit obtained from brokers 5,200,000 13,200,000
Time deposits certificate of deposit account registry service 88,300,000 $ 72,600,000
Cash FDIC insured amount 250,000  
Cash CDARS program insured 250,000  
State bank program $ 250,000