v3.26.1
Investment securities - Amortized Cost and Fair Value of Investment Securities Aggregated by Investment Category (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Investment Securities    
Available for sale, Amortized Cost $ 502,298 $ 541,707
Available for sale, Gross Unrealized Gains 1,892 3,181
Available for sale, Gross Unrealized Losses 34,929 32,325
Available for sale, Fair Value 469,261 512,563
Held to maturity, Amortized Cost 70,557 72,047
Held to maturity, Gross Unrealized Gains   4
Held to maturity, Gross Unrealized Losses 9,603 9,253
Held to maturity, Fair Value 60,954 62,798
U.S. Treasury securities    
Investment Securities    
Available for sale, Amortized Cost 19,136 32,125
Available for sale, Gross Unrealized Losses 1,116 1,127
Available for sale, Fair Value 18,020 30,998
State and municipals, Taxable    
Investment Securities    
Available for sale, Amortized Cost 65,273 68,618
Available for sale, Gross Unrealized Gains 18 22
Available for sale, Gross Unrealized Losses 7,077 7,018
Available for sale, Fair Value 58,214 61,622
State and municipals, Tax-exempt    
Investment Securities    
Available for sale, Amortized Cost 149,342 132,586
Available for sale, Gross Unrealized Gains 173 429
Available for sale, Gross Unrealized Losses 10,347 7,898
Available for sale, Fair Value 139,168 125,117
Held to maturity, Amortized Cost 10,803 10,812
Held to maturity, Gross Unrealized Gains   4
Held to maturity, Gross Unrealized Losses 700 620
Held to maturity, Fair Value 10,103 10,196
Residential mortgage-backed securities, U.S. government agencies    
Investment Securities    
Available for sale, Amortized Cost 20,978 42,801
Available for sale, Gross Unrealized Gains   145
Available for sale, Gross Unrealized Losses 360 247
Available for sale, Fair Value 20,618 42,699
Held to maturity, Amortized Cost 12,072 12,291
Held to maturity, Gross Unrealized Losses 2,054 1,977
Held to maturity, Fair Value 10,018 10,314
Residential mortgage-backed securities, U.S. government-sponsored enterprises    
Investment Securities    
Available for sale, Amortized Cost 159,987 174,223
Available for sale, Gross Unrealized Gains 431 962
Available for sale, Gross Unrealized Losses 15,075 15,105
Available for sale, Fair Value 145,343 160,080
Held to maturity, Amortized Cost 47,682 48,944
Held to maturity, Gross Unrealized Losses 6,849 6,656
Held to maturity, Fair Value 40,833 42,288
Commercial mortgage-backed Securities, U.S. government-sponsored enterprises    
Investment Securities    
Available for sale, Amortized Cost 1,708 1,789
Available for sale, Gross Unrealized Losses 19 19
Available for sale, Fair Value 1,689 1,770
Private collateralized mortgage obligations    
Investment Securities    
Available for sale, Amortized Cost 48,230 48,007
Available for sale, Gross Unrealized Gains 594 766
Available for sale, Gross Unrealized Losses 361 289
Available for sale, Fair Value 48,463 48,484
Asset backed securities    
Investment Securities    
Available for sale, Amortized Cost 15,647 16,544
Available for sale, Gross Unrealized Gains 22 23
Available for sale, Gross Unrealized Losses 303 300
Available for sale, Fair Value 15,366 16,267
Corporate debt securities    
Investment Securities    
Available for sale, Amortized Cost 21,264 24,287
Available for sale, Gross Unrealized Gains 651 829
Available for sale, Gross Unrealized Losses 271 322
Available for sale, Fair Value 21,644 24,794
Negotiable certificates of deposit    
Investment Securities    
Available for sale, Amortized Cost 733 727
Available for sale, Gross Unrealized Gains 3 5
Available for sale, Fair Value $ 736 $ 732