Quarterly report pursuant to Section 13 or 15(d)

Note 2 - Securities - Schedule of Securities with Unrealized Losses (Details)

v3.24.1.u1
Note 2 - Securities - Schedule of Securities with Unrealized Losses (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Available-for-sale, fair value, less than 12 months $ 64,163 $ 37,328
Available-for-sale, accumulated loss, less than 12 months (333) (161)
Available-for-sale, fair value, more than 12 months 414,149 417,623
Available-for-sale, accumulated loss, more than 12 months (30,096) (29,272)
Available-for-sale, fair value 478,312 454,951
Available-for-sale, accumulated loss (30,429) (29,433)
Held-to-maturity, fair value, less than 12 months 20,118 673
Held-to-maturity, accumulated loss, less than 12 months (53) (2)
Held-to-maturity, fair value, more than 12 months 261,668 288,222
Held-to-maturity, accumulated loss, more than 12 months (9,277) (9,707)
Held-for-maturity, fair value 281,786 288,895
Held-for-sale, accumulated loss (9,330) (9,709)
US Treasury and Government [Member]    
Available-for-sale, fair value, less than 12 months 28,390 15,615
Available-for-sale, accumulated loss, less than 12 months (53) (41)
Available-for-sale, fair value, more than 12 months 206,691 215,712
Available-for-sale, accumulated loss, more than 12 months (10,761) (10,726)
Available-for-sale, fair value 235,081 231,327
Available-for-sale, accumulated loss (10,814) (10,767)
US Government Agencies Debt Securities [Member]    
Available-for-sale, fair value, less than 12 months 15,544 8,574
Available-for-sale, accumulated loss, less than 12 months (150) (52)
Available-for-sale, fair value, more than 12 months 84,892 83,893
Available-for-sale, accumulated loss, more than 12 months (13,181) (12,552)
Available-for-sale, fair value 100,436 92,467
Available-for-sale, accumulated loss (13,331) (12,604)
Nontaxable Municipal Bonds [Member]    
Available-for-sale, fair value, less than 12 months 11,316 8,472
Available-for-sale, accumulated loss, less than 12 months (98) (50)
Available-for-sale, fair value, more than 12 months 18,965 13,296
Available-for-sale, accumulated loss, more than 12 months (423) (234)
Available-for-sale, fair value 30,281 21,768
Available-for-sale, accumulated loss (521) (284)
Held-to-maturity, fair value, less than 12 months 20,118 673
Held-to-maturity, accumulated loss, less than 12 months (53) (2)
Held-to-maturity, fair value, more than 12 months 48,402 45,513
Held-to-maturity, accumulated loss, more than 12 months (1,332) (1,187)
Held-for-maturity, fair value 68,520 46,186
Held-for-sale, accumulated loss (1,385) (1,189)
Taxable Municipal Bonds [Member]    
Available-for-sale, fair value, less than 12 months 8,442 4,667
Available-for-sale, accumulated loss, less than 12 months (29) (18)
Available-for-sale, fair value, more than 12 months 92,753 93,900
Available-for-sale, accumulated loss, more than 12 months (5,499) (5,527)
Available-for-sale, fair value 101,195 98,567
Available-for-sale, accumulated loss (5,528) (5,545)
Corporate Bonds And Other Debt Securities [Member]    
Available-for-sale, fair value, less than 12 months 471 0
Available-for-sale, accumulated loss, less than 12 months (3) 0
Available-for-sale, fair value, more than 12 months 10,848 10,822
Available-for-sale, accumulated loss, more than 12 months (232) (233)
Available-for-sale, fair value 11,319 10,822
Available-for-sale, accumulated loss (235) (233)
US Treasury Securities [Member]    
Held-to-maturity, fair value, less than 12 months 0 0
Held-to-maturity, accumulated loss, less than 12 months 0 0
Held-to-maturity, fair value, more than 12 months 213,266 242,709
Held-to-maturity, accumulated loss, more than 12 months (7,945) (8,520)
Held-for-maturity, fair value 213,266 242,709
Held-for-sale, accumulated loss $ (7,945) $ (8,520)