Quarterly report pursuant to Section 13 or 15(d)

Note 3 - Loans - Allowance for Credit Losses (Details)

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Note 3 - Loans - Allowance for Credit Losses (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Balance $ 16,794 $ 14,616 $ 15,285 $ 15,889
Charge-offs (22) (60) (43) (95)
Recoveries 37 75 91 337
Provision for credit losses [1] 300 0 300 (1,500)
Balance 17,109 14,631 17,109 14,631
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]        
Balance     1,476  
Commercial Portfolio Segment [Member]        
Balance 7,124 5,329 5,596 5,176
Charge-offs 0 (38) 0 (38)
Recoveries 7 5 16 10
Provision for credit losses [1] (120) (40) 100 108
Balance 7,011 5,256 7,011 5,256
Commercial Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]        
Balance     1,299  
Commercial Real Estate Portfolio Segment [Member]        
Balance 6,770 7,071 7,180 8,051
Charge-offs 0 0 0 0
Recoveries 3 38 6 271
Provision for credit losses [1] 155 (87) (46) (1,300)
Balance 6,928 7,022 6,928 7,022
Commercial Real Estate Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]        
Balance     (212)  
Consumer Portfolio Segment [Member]        
Balance 2,818 2,153 2,458 2,633
Charge-offs (22) (22) (43) (57)
Recoveries 27 32 69 56
Provision for credit losses [1] 276 153 226 (316)
Balance 3,099 2,316 3,099 2,316
Consumer Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]        
Balance     389  
Unallocated Financing Receivables [Member]        
Balance 82 63 51 29
Charge-offs 0 0 0 0
Recoveries 0 0 0 0
Provision for credit losses [1] (11) (26) 20 8
Balance $ 71 $ 37 71 $ 37
Unallocated Financing Receivables [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]        
Balance     $ 0  
[1] Beginning January 1, 2023, calculation is based on CECL methodology. Prior to January 1, 2023, calculation was based on probable incurred loss methodology.