Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Loans (Details Textual)

v3.22.2
Note 5 - Loans (Details Textual)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2022
USD ($)
Mar. 31, 2022
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
May 28, 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 $ 9,507,000   $ 9,652,000 $ 14,869,000 $ 17,103,000    
Loans and Leases Receivable, Gross 10,617,320,000     10,617,320,000   $ 9,532,934,000  
Allowance for Loan and Lease Losses, Unfunded Commitments   $ 1,600,000       1,300,000  
Financing Receivable, Credit Loss, Expense (Reversal) 9,507,000   9,652,000 14,869,000 17,103,000    
Financing Receivable, Troubled Debt Restructuring 2,400,000   2,900,000 2,400,000 2,900,000 2,600,000  
Financing Receivable, Modifications, Recorded Investment, Accruing Interest $ 421,000   $ 441,000 $ 421,000 $ 441,000 431,000  
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts 0   0 0 0    
Paycheck Protection Program (PPP) Loans [Member]              
Financing Receivable, Unamortized Loan Cost (Fee) and Purchase Premium (Discount), Total $ 513,000     $ 513,000   7,200,000  
Provision for Loan and Lease Losses 2,800,000   $ 8,000,000.0 7,200,000 $ 17,100,000    
Loans and Leases Receivable, Gross 23,000,000.0     23,000,000.0   $ 595,000,000.0  
Unfunded Loan Commitment [Member]              
Financing Receivable, Credit Loss, Expense (Reversal) $ 0   $ 600,000 $ 300,000 $ 1,100,000