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 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Balance $ 17,109 $ 14,631 $ 15,285 $ 15,889
Charge-offs (41) (46) (84) (141)
Recoveries 83 236 174 573
Provision for credit losses (1) [1] (150) 0 150 (1,500)
Balance 17,001 14,821 17,001 14,821
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]        
Balance     1,476  
Commercial Portfolio Segment [Member]        
Balance 7,011 5,256 5,596 5,176
Charge-offs 0 0 0 (38)
Recoveries 8 175 24 185
Provision for credit losses (1) [1] (398) 179 (298) 287
Balance 6,621 5,610 6,621 5,610
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 6,928 7,022 7,180 8,051
Charge-offs 0 0 0 0
Recoveries 50 5 56 276
Provision for credit losses (1) [1] 114 (147) 68 (1,447)
Balance 7,092 6,880 7,092 6,880
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 3,099 2,316 2,458 2,633
Charge-offs (41) (46) (84) (103)
Recoveries 25 56 94 112
Provision for credit losses (1) [1] 177 (14) 403 (330)
Balance 3,260 2,312 3,260 2,312
Consumer Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]        
Balance     389  
Unallocated Financing Receivables [Member]        
Balance 71 37 51 29
Charge-offs 0 0 0 0
Recoveries 0 0 0 0
Provision for credit losses (1) [1] (43) (18) (23) (10)
Balance $ 28 $ 19 28 $ 19
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.