Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Loans (Details Textual)

v3.23.3
Note 5 - Loans (Details Textual)
Pure in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
Dec. 31, 2022
USD ($)
Jun. 30, 2022
USD ($)
Dec. 31, 2021
USD ($)
Financing Receivable, Allowance for Credit Loss $ 152,247,000 $ 140,967,000 $ 152,247,000 $ 140,967,000 $ 152,272,000 $ 146,297,000 [1] $ 128,387,000 $ 116,660,000
Financing Receivable, Credit Loss, Expense (Reversal) $ 4,282,000 15,603,000 $ 15,133,000 30,472,000        
Financing Receivable, Modified, Subsequent Default, Number of Contracts 0   0          
Financing Receivable, Modified, Accumulated   2,000,000   2,000,000   2,500,000    
Financing Receivable, Modifications, Recorded Investment, Accruing Interest   $ 236,000   $ 236,000   $ 431,000    
Financing Receivable, Modified, Number of Contracts   0   0        
Unfunded Loan Commitment [Member]                
Financing Receivable, Allowance for Credit Loss $ 575,000   $ 575,000          
Financing Receivable, Credit Loss, Expense (Reversal) $ 0 $ 329,000 $ 0 $ 629,000        
[1] derived from audited financial statements.