XML 87 R52.htm IDEA: XBRL DOCUMENT v3.20.1
Loans and Allowance for Loan Losses - Narrative (Details) - USD ($)
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Financing Receivable, Allowance for Credit Loss [Line Items]      
Interest receivable $ 27,069,000 $ 28,452,000  
Interest income reversed on nonaccrual loans 121,000    
Nonaccrual loans, no allowance 1,100,000    
Financing Receivable, Collateral Dependent 11,700,000    
Loans in process of foreclosure 1,200,000 992,000  
Commitments to lend additional funds on Troubled Debt Restructurings (TDR) 0   $ 0
Commercial Real Estate Loans      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Owner and nonowner-occupied real estate 1,190,000,000    
Loans secured by multi-family properties 145,100,000    
Loans secured by farmland 18,300,000    
Loan portfolio      
Financing Receivable, Allowance for Credit Loss [Line Items]      
Interest receivable $ 12,700,000 $ 14,200,000