v3.26.1
Note 2 - Investment Securities - Securities With Unrealized Losses (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Securities available-for-sale, less than 12 months, fair value $ 38,639 $ 1,446
Securities HTM, less than 12 months, fair value 0 0
Securities available-for-sale, less than 12 months, unrealized losses (473) (4)
Securities HTM, less than 12 months, unrealized losses 0 0
Securities available-for-sale, 12 months or more, fair value 616,358 669,061
Securities HTM, 12 months or more, fair value 174,743 180,508
Securities available-for-sale, 12 months or more, unrealized losses (80,613) (79,685)
Securities HTM, 12 months or more, unrealized losses (17,705) (17,748)
Securities available-for-sale, fair value 654,997 670,507
Securities HTM, fair value 174,743 180,508
Securities available-for-sale, unrealized losses (81,086) (79,689)
Securities HTM, unrealized losses (17,705) (17,748)
US Government-sponsored Enterprises Debt Securities [Member]    
Securities available-for-sale, less than 12 months, fair value 0 0
Securities HTM, less than 12 months, fair value 0 0
Securities available-for-sale, less than 12 months, unrealized losses 0 0
Securities HTM, less than 12 months, unrealized losses 0 0
Securities available-for-sale, 12 months or more, fair value 62,453 69,880
Securities HTM, 12 months or more, fair value 19,669 21,649
Securities available-for-sale, 12 months or more, unrealized losses (2,700) (2,737)
Securities HTM, 12 months or more, unrealized losses (1,252) (1,112)
Securities available-for-sale, fair value 62,453 69,880
Securities HTM, fair value 19,669 21,649
Securities available-for-sale, unrealized losses (2,700) (2,737)
Securities HTM, unrealized losses (1,252) (1,112)
US Treasury Securities and US Government Agencies Debt Securities [Member]    
Securities HTM, less than 12 months, fair value 0 0
Securities HTM, less than 12 months, unrealized losses 0 0
Securities HTM, 12 months or more, fair value 1,995 1,982
Securities HTM, 12 months or more, unrealized losses (3) (12)
Securities HTM, fair value 1,995 1,982
Securities HTM, unrealized losses (3) (12)
Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member]    
Securities available-for-sale, less than 12 months, fair value 25,720 0
Securities HTM, less than 12 months, fair value 0 0
Securities available-for-sale, less than 12 months, unrealized losses (274) 0
Securities HTM, less than 12 months, unrealized losses 0 0
Securities available-for-sale, 12 months or more, fair value 473,048 507,041
Securities HTM, 12 months or more, fair value 153,079 156,877
Securities available-for-sale, 12 months or more, unrealized losses (68,078) (67,576)
Securities HTM, 12 months or more, unrealized losses (16,450) (16,624)
Securities available-for-sale, fair value 498,768 507,041
Securities HTM, fair value 153,079 156,877
Securities available-for-sale, unrealized losses (68,352) (67,576)
Securities HTM, unrealized losses (16,450) (16,624)
US States and Political Subdivisions Debt Securities [Member]    
Securities available-for-sale, less than 12 months, fair value 12,919 1,446
Securities available-for-sale, less than 12 months, unrealized losses (199) (4)
Securities available-for-sale, 12 months or more, fair value 80,355 91,609
Securities available-for-sale, 12 months or more, unrealized losses (9,797) (9,335)
Securities available-for-sale, fair value 93,274 93,055
Securities available-for-sale, unrealized losses (9,996) (9,339)
Other Debt Obligations [Member]    
Securities available-for-sale, less than 12 months, fair value 0 0
Securities available-for-sale, less than 12 months, unrealized losses 0 0
Securities available-for-sale, 12 months or more, fair value 502 531
Securities available-for-sale, 12 months or more, unrealized losses (38) (37)
Securities available-for-sale, fair value 502 531
Securities available-for-sale, unrealized losses $ (38) $ (37)