Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Loans (Details Textual)

v3.22.1
Note 5 - Loans (Details Textual)
3 Months Ended 12 Months Ended
Mar. 31, 2022
USD ($)
Mar. 31, 2021
USD ($)
Mar. 31, 2020
Dec. 31, 2021
USD ($)
Number of Loans Funded, Payroll Protection Plan       7,400
Amount of Loans Funded, Payment Protection Plan       $ 1,500,000,000
Provision for Loan and Lease Losses, Total $ 5,362,000 $ 7,451,000    
Loans and Leases Receivable, Gross, Total 9,898,957,000     9,532,934,000
Allowance for Loan and Lease Losses, Unfunded Commitments 1,600,000     1,300,000
Financing Receivable, Credit Loss, Expense (Reversal) 5,362,000 7,451,000    
Financing Receivable, Troubled Debt Restructuring 2,500,000 3,500,000   2,600,000
Financing Receivable, Modifications, Recorded Investment, Accruing Interest 426,000 $ 794,000   431,000
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts   0 0  
Commercial Real Estate Portfolio Segment [Member]        
Loans and Leases Receivable, Gross, Total 2,955,927,000     2,984,053,000
Financing Receivable, Credit Loss, Expense (Reversal) 2,017,000 $ 2,313,000    
COVID-19 [Member]        
Provision for Loan and Lease Losses, Total 4,500,000 9,100,000    
Paycheck Protection Program (PPP) Loans [Member]        
Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount), Total 3,100,000 7,200,000    
Paycheck Protection Program (PPP) Loans [Member] | Commercial Real Estate Portfolio Segment [Member]        
Loans and Leases Receivable, Gross, Total 107,600,000     $ 230,200,000
Unfunded Loan Commitment [Member]        
Financing Receivable, Credit Loss, Expense (Reversal) $ 300,000 $ 600,000