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Deposits (Details Textual) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Deposits [Abstract]      
Time deposits greater $250,000 $ 130.9 $ 220.1  
Time deposits obtained outside of primary market 22.0 67.4  
Interest expense on time deposits greater than $100,000 $ 4.6 $ 6.9 $ 4.7