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Mortgage Banking and Derivatives (Details)
Mar. 31, 2020
USD ($)
position
Dec. 31, 2019
USD ($)
Participating Mortgage Loans [Line Items]    
Fair value of LHFS $ 17,219,000 $ 12,722,000
Unpaid principal balance 16,800,000  
Other Assets    
Participating Mortgage Loans [Line Items]    
Fair value of IRLC 728,000  
IRLC notional amount $ 37,600,000  
IRLC total positions | position 158  
Other Liabilities    
Participating Mortgage Loans [Line Items]    
Fair value of forward sales commitments $ 1,200,000  
Forward sales commitments notional amount $ 54,800,000  
Forward sales commitments total positions | position 235