Annual report pursuant to Section 13 and 15(d)

Note 3 - Loans - Summary of Collateral Types (Details)

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Note 3 - Loans - Summary of Collateral Types (Details) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Impaired Financing Receivable, Recorded Investment $ 88,505 $ 43,148
Commercial, financial and agricultural 7,690 9,804
Commercial Real Estate Portfolio Segment [Member]    
Impaired Financing Receivable, Recorded Investment 68,796 20,843
Commercial, financial and agricultural 7,142 6,085
Real Estate Portfolio Segment[Member]    
Impaired Financing Receivable, Recorded Investment   17,985
Commercial, financial and agricultural   3,633
Real Estate Portfolio Segment[Member] | Construction Loans [Member]    
Impaired Financing Receivable, Recorded Investment 235 4,320
Commercial, financial and agricultural 1 86
Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]    
Impaired Financing Receivable, Recorded Investment 2,995 15,038
Commercial, financial and agricultural 499 2,456
Real Estate Portfolio Segment[Member] | One to Four Family [Member]    
Impaired Financing Receivable, Recorded Investment 3,288 1,440
Commercial, financial and agricultural 48 176
Real Estate Portfolio Segment[Member] | Other Mortgages [Member]    
Impaired Financing Receivable, Recorded Investment 13,191 1,507
Commercial, financial and agricultural 0 $ 1,001
Real Estate [Member]    
Impaired Financing Receivable, Recorded Investment 38,075  
Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member]    
Impaired Financing Receivable, Recorded Investment 19,373  
Real Estate [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]    
Impaired Financing Receivable, Recorded Investment 235  
Real Estate [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]    
Impaired Financing Receivable, Recorded Investment 2,012  
Real Estate [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]    
Impaired Financing Receivable, Recorded Investment 3,264  
Real Estate [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]    
Impaired Financing Receivable, Recorded Investment 13,191  
Collateral, Accounts Receivable [Member]    
Impaired Financing Receivable, Recorded Investment 28,923  
Collateral, Accounts Receivable [Member] | Commercial Real Estate Portfolio Segment [Member]    
Impaired Financing Receivable, Recorded Investment 27,952  
Collateral, Accounts Receivable [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]    
Impaired Financing Receivable, Recorded Investment 0  
Collateral, Accounts Receivable [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]    
Impaired Financing Receivable, Recorded Investment 971  
Collateral, Accounts Receivable [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]    
Impaired Financing Receivable, Recorded Investment 0  
Collateral, Accounts Receivable [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]    
Impaired Financing Receivable, Recorded Investment 0  
Equipment [Member]    
Impaired Financing Receivable, Recorded Investment 16,877  
Equipment [Member] | Commercial Real Estate Portfolio Segment [Member]    
Impaired Financing Receivable, Recorded Investment 16,877  
Equipment [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]    
Impaired Financing Receivable, Recorded Investment 0  
Equipment [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]    
Impaired Financing Receivable, Recorded Investment 0  
Equipment [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]    
Impaired Financing Receivable, Recorded Investment 0  
Equipment [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]    
Impaired Financing Receivable, Recorded Investment 0  
Collateral, Other [Member]    
Impaired Financing Receivable, Recorded Investment 4,630  
Collateral, Other [Member] | Commercial Real Estate Portfolio Segment [Member]    
Impaired Financing Receivable, Recorded Investment 4,594  
Collateral, Other [Member] | Real Estate Portfolio Segment[Member] | Construction Loans [Member]    
Impaired Financing Receivable, Recorded Investment 0  
Collateral, Other [Member] | Real Estate Portfolio Segment[Member] | Owner Occupied Commercial [Member]    
Impaired Financing Receivable, Recorded Investment 12  
Collateral, Other [Member] | Real Estate Portfolio Segment[Member] | One to Four Family [Member]    
Impaired Financing Receivable, Recorded Investment 24  
Collateral, Other [Member] | Real Estate Portfolio Segment[Member] | Other Mortgages [Member]    
Impaired Financing Receivable, Recorded Investment $ 0