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Note 10 - Subordinated Debentures - Schedule of Subordinated Debentures (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] Secured Overnight Financing Rate (SOFR) [Member]  
Long-term debt, net of issuance costs $ 119,529 $ 119,147
Subordinated Debt [Member]    
Principal amount 17,527  
Unamortized valuation reserve 2,371  
Long-term debt, net of issuance costs 15,156  
TFC Trust [Member] | Subordinated Debt [Member]    
Principal amount 5,155  
Unamortized valuation reserve 1,099  
Long-term debt, net of issuance costs $ 4,056  
Tenor spread adjustment [1] 0.26%  
Effective rate 6.27%  
Debt instrument, variable rate 1.65%  
FAIC Trust [Member] | Subordinated Debt [Member]    
Principal amount $ 7,217  
Unamortized valuation reserve 765  
Long-term debt, net of issuance costs $ 6,452  
Tenor spread adjustment 0.26%  
Effective rate 6.87%  
Debt instrument, variable rate 2.25%  
PGBH Trust [Member] | Subordinated Debt [Member]    
Principal amount $ 5,155  
Unamortized valuation reserve 507  
Long-term debt, net of issuance costs $ 4,648  
Tenor spread adjustment 0.26%  
Effective rate 6.72%  
Debt instrument, variable rate 2.10%  
[1] Represents applicable tenor spread adjustment when the original Libor index was discontinued on June 30, 2023