v3.26.1
Note 5 - Loans - Allowance for Loan Losses by Portfolio Segment (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Balance $ 208,786 $ 173,936 $ 195,911 $ 161,765 $ 161,765
Provision/(reversal) for expected credit losses 11,958 12,336 26,956 26,484  
Charge-offs (2,743) (13,030) (12,099) (15,374) (37,737)
Recoveries 895 289 8,128 656  
Net (charge-offs)/recoveries (1,848) (12,741) (3,971) (14,718)  
Balance 218,896 173,531 218,896 173,531 195,911
Commitments to Extend Credit [Member]          
Balance 15,636 11,028 12,441 9,676 9,676
Provision/(reversal) for expected credit losses (718) (1,136) 2,477 216  
Balance 14,918 9,892 14,918 9,892 12,441
Commercial Portfolio Segment [Member]          
Balance 46,720 69,023 39,123 57,796 57,796
Provision/(reversal) for expected credit losses 1,544 (19,260) 12,181 (5,957)  
Charge-offs (2,743) (9,117) (10,714) (11,461) (33,101)
Recoveries 853 196 5,784 464  
Net (charge-offs)/recoveries (1,890) (8,921) (4,930) (10,997)  
Balance 46,374 40,842 46,374 40,842 39,123
Commercial Portfolio Segment [Member] | Commitments to Extend Credit [Member]          
Balance 12,816 9,057 9,067 7,780 7,780
Provision/(reversal) for expected credit losses (1,205) (1,467) 2,544 (190)  
Balance 11,611 7,590 11,611 7,590 9,067
Real Estate Construction Portfolio Segment [Member]          
Balance 15,404 8,540 6,475 8,185 8,185
Provision/(reversal) for expected credit losses (251) (3,106) 8,678 (2,752)  
Charge-offs 0 0 0 0 0
Recoveries 0 0 0 1  
Net (charge-offs)/recoveries 0 0 0 1  
Balance 15,153 5,434 15,153 5,434 6,475
Real Estate Construction Portfolio Segment [Member] | Commitments to Extend Credit [Member]          
Balance 2,761 1,971 3,095 1,896 1,896
Provision/(reversal) for expected credit losses 281 277 (53) 352  
Balance 3,042 2,248 3,042 2,248 3,095
Commercial Real Estate Portfolio Segment [Member]          
Balance 122,349 80,901 125,665 79,597 79,597
Provision/(reversal) for expected credit losses 11,753 29,621 7,503 30,834  
Charge-offs 0 (3,839) (1,368) (3,839) (4,562)
Recoveries 0 90 2,302 181  
Net (charge-offs)/recoveries 0 (3,749) 934 (3,658)  
Balance 134,102 106,773 134,102 106,773 125,665
Commercial Real Estate Portfolio Segment [Member] | Commitments to Extend Credit [Member]          
Balance 59 0 279 0 0
Provision/(reversal) for expected credit losses 206 54 (14) 54  
Balance 265 54 265 54 279
Residential Mortgage and Equity Lines Portfolio Segment [Member]          
Balance 24,297 15,455 24,641 16,181 16,181
Provision/(reversal) for expected credit losses (1,079) 5,081 (1,406) 4,348  
Charge-offs 0 (74) (17) (74)  
Recoveries 42 3 42 10  
Net (charge-offs)/recoveries 42 (71) 25 (64)  
Balance 23,260 20,465 23,260 20,465 24,641
Residential Mortgage and Equity Lines Portfolio Segment [Member] | Commitments to Extend Credit [Member]          
Balance 0 0 0 0 0
Provision/(reversal) for expected credit losses 0 0 0 0  
Balance 0 0 0 0 0
Installment and Other Loans [Member ]          
Balance 16 17 7 6 6
Provision/(reversal) for expected credit losses (9) 0 0 11  
Charge-offs 0 0 0 0 0
Recoveries 0 0 0 0  
Net (charge-offs)/recoveries 0 0 0 0  
Balance 7 17 7 17 7
Installment and Other Loans [Member ] | Commitments to Extend Credit [Member]          
Balance 0 0 0 0 0
Provision/(reversal) for expected credit losses 0 0 0 0  
Balance $ 0 $ 0 $ 0 $ 0 $ 0