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v3.25.3

Securities (Tables) | 9 Months Ended
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Sep. 30, 2025
Securities [Abstract] |
Schedule of Available-for-sale Securities Reconciliation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2025
​ |  | ​ | ​ |  | Gross |  | Gross |  | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
Available-for-sale: | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Value
U.S. Treasury | ​ | $ | 31,823 | ​ | $ | — | ​ | $ | (2,231) | ​ | $ | 29,592
U.S. Government-sponsored enterprises (GSEs) | ​ | ​ | 19,446 | ​ | ​ | 88 | ​ | ​ | (130) | ​ | ​ | 19,404
Municipal securities | ​ |  | 34,403 | ​ |  | 316 | ​ |  | (489) | ​ |  | 34,230
Other debt securities | ​ |  | 25,938 | ​ |  | 214 | ​ |  | (1,221) | ​ |  | 24,931
Mortgage-backed securities (GSEs) | ​ |  | 413,054 | ​ |  | 2,973 | ​ |  | (13,089) | ​ |  | 402,938
Total | ​ | $ | 524,664 | ​ | $ | 3,591 | ​ | $ | (17,160) | ​ | $ | 511,095
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2024
​ |  | ​ | ​ |  | Gross |  | Gross |  | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
Available-for-sale: | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Value
U.S. Treasury | ​ | $ | 83,330 | ​ | $ | — | ​ | $ | (7,104) | ​ | $ | 76,226
U.S. Government-sponsored enterprises (GSEs) | ​ | ​ | 38,917 | ​ | ​ | 453 | ​ | ​ | (182) | ​ | ​ | 39,188
Municipal securities | ​ |  | 18,277 | ​ |  | — | ​ |  | (587) | ​ |  | 17,690
Other debt securities | ​ |  | 41,321 | ​ |  | 252 | ​ |  | (2,138) | ​ |  | 39,435
Mortgage-backed securities (GSEs) | ​ |  | 330,839 | ​ |  | 515 | ​ |  | (21,565) | ​ |  | 309,789
Total | ​ | $ | 512,684 | ​ | $ | 1,220 | ​ | $ | (31,576) | ​ | $ | 482,328
Schedule of Held-to-maturity Securities Reconciliation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2025
​ |  | ​ | ​ |  | Gross |  | Gross |  | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
Held-to-maturity: | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Value
U.S. Government-sponsored enterprises (GSEs) | ​ | $ | 47,181 | ​ | $ | — | ​ | $ | (5,243) | ​ | $ | 41,938
Municipal securities | ​ |  | 50,866 | ​ |  | — | ​ |  | (5,575) | ​ |  | 45,291
Mortgage-backed securities (GSEs) | ​ |  | 25,317 | ​ |  | — | ​ |  | (2,795) | ​ |  | 22,522
Total | ​ | $ | 123,364 | ​ | $ | — | ​ | $ | (13,613) | ​ | $ | 109,751
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2024
​ |  | ​ | ​ |  | Gross |  | Gross |  | ​ | ​
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | Fair
Held-to-maturity: | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Value
U.S. Government-sponsored enterprises (GSEs) | ​ | $ | 48,112 | ​ | $ | — | ​ | $ | (7,335) | ​ | $ | 40,777
Municipal securities | ​ |  | 51,652 | ​ |  | — | ​ |  | (7,037) | ​ |  | 44,615
Mortgage-backed securities (GSEs) | ​ |  | 26,895 | ​ |  | — | ​ |  | (4,207) | ​ |  | 22,688
Total | ​ | $ | 126,659 | ​ | $ | — | ​ | $ | (18,579) | ​ | $ | 108,080
Investments Classified by Contractual Maturity Date | The amortized cost and estimated fair value of securities at September 30, 2025, by contractual maturity for non-mortgage-backed securities are shown below (in thousands). Expected maturities may differ from contractual maturities because borrowers may have the right to call or prepay obligations with or without call or prepayment penalties.
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2025
​ |  | Amortized |  | Fair
Available-for-sale: | ​ | Cost | ​ | Value
Due in one year or less | ​ | $ | 565 | ​ | $ | 565
Due from one year to five years | ​ |  | 42,394 | ​ |  | 40,137
Due from five years to ten years | ​ |  | 44,204 | ​ |  | 43,102
Due after ten years | ​ |  | 24,447 | ​ |  | 24,353
​ | ​ |  | 111,610 | ​ |  | 108,157
Mortgage-backed securities | ​ |  | 413,054 | ​ |  | 402,938
Total | ​ | $ | 524,664 | ​ | $ | 511,095
​ | ​ | ​ | ​ | ​ | ​ | ​
Held-to-maturity: | ​ | ​ | ​ | ​ | ​ | ​
Due in one year or less | ​ | $ | — | ​ | $ | —
Due from one year to five years | ​ |  | 7,793 | ​ |  | 7,280
Due from five years to ten years | ​ |  | 54,371 | ​ |  | 48,334
Due after ten years | ​ |  | 35,883 | ​ |  | 31,615
​ | ​ |  | 98,047 | ​ |  | 87,229
Mortgage-backed securities | ​ |  | 25,317 | ​ |  | 22,522
Total | ​ | $ | 123,364 | ​ | $ | 109,751
​
Schedule of Unrealized Loss on Investments | The following tables present the gross unrealized losses and fair value, aggregated by investment category and length of time that individual securities AFS and HTM have been in a continuous unrealized loss position (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2025
​ | ​ | Less than 12 Months | ​ | 12 Months or Greater | ​ | Total
​ |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number
​ | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of
Available-for-sale: | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities
U.S. Treasury | ​ | $ | — | ​ | $ | — | ​ | — | ​ | $ | 29,592 | ​ | $ | (2,231) | ​ | 4 | ​ | $ | 29,592 | ​ | $ | (2,231) | ​ | 4
U.S. Government-sponsored enterprises (GSEs) | ​ | ​ | 6,665 | ​ | ​ | (22) | ​ | 3 | ​ | ​ | 6,116 | ​ | ​ | (108) | ​ | 5 | ​ | ​ | 12,781 | ​ | ​ | (130) | ​ | 8
Municipal securities | ​ |  | 7,345 | ​ |  | (286) | ​ | 3 | ​ |  | 9,654 | ​ |  | (203) | ​ | 13 | ​ |  | 16,999 | ​ |  | (489) | ​ | 16
Other debt securities | ​ |  | 2,481 | ​ |  | (10) | ​ | 2 | ​ |  | 13,789 | ​ |  | (1,211) | ​ | 12 | ​ |  | 16,270 | ​ |  | (1,221) | ​ | 14
Mortgage-backed securities (GSEs) | ​ |  | 99,010 | ​ |  | (705) | ​ | 35 | ​ |  | 137,777 | ​ |  | (12,384) | ​ | 69 | ​ |  | 236,787 | ​ |  | (13,089) | ​ | 104
Total | ​ | $ | 115,501 | ​ | $ | (1,023) | ​ | 43 | ​ | $ | 196,928 | ​ | $ | (16,137) | ​ | 103 | ​ | $ | 312,429 | ​ | $ | (17,160) | ​ | 146
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2025
​ | ​ | Less than 12 Months | ​ | 12 Months or Greater | ​ | Total
​ |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number
​ | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of
Held-to-maturity: | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities
U.S. Government-sponsored enterprises (GSEs) | ​ | $ | — | ​ | $ | — | ​ | — | ​ | $ | 41,938 | ​ | $ | (5,243) | ​ | 13 | ​ | $ | 41,938 | ​ | $ | (5,243) | ​ | 13
Municipal securities | ​ |  | 3,483 | ​ |  | (289) | ​ | 4 | ​ |  | 41,808 | ​ |  | (5,286) | ​ | 33 | ​ |  | 45,291 | ​ |  | (5,575) | ​ | 37
Mortgage-backed securities (GSEs) | ​ |  | — | ​ |  | — | ​ | — | ​ |  | 22,522 | ​ |  | (2,795) | ​ | 5 | ​ |  | 22,522 | ​ |  | (2,795) | ​ | 5
Total | ​ | $ | 3,483 | ​ | $ | (289) | ​ | 4 | ​ | $ | 106,268 | ​ | $ | (13,324) | ​ | 51 | ​ | $ | 109,751 | ​ | $ | (13,613) | ​ | 55
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2024
​ | ​ | Less than 12 Months | ​ | 12 Months or Greater | ​ | Total
​ |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number
​ | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of
Available-for-sale: | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities
U.S. Treasury | ​ | $ | — | ​ | $ | — | ​ | — | ​ | $ | 76,226 | ​ | $ | (7,104) | ​ | 9 | ​ | $ | 76,226 | ​ | $ | (7,104) | ​ | 9
U.S. Government-sponsored enterprises (GSEs) | ​ | ​ | 9,069 | ​ | ​ | (80) | ​ | 4 | ​ | ​ | 4,813 | ​ | ​ | (102) | ​ | 4 | ​ | ​ | 13,882 | ​ | ​ | (182) | ​ | 8
Municipal securities | ​ |  | 5,579 | ​ |  | (59) | ​ | 8 | ​ |  | 11,322 | ​ |  | (528) | ​ | 17 | ​ |  | 16,901 | ​ |  | (587) | ​ | 25
Other debt securities | ​ |  | 4,425 | ​ |  | (36) | ​ | 3 | ​ |  | 28,294 | ​ |  | (2,102) | ​ | 24 | ​ |  | 32,719 | ​ |  | (2,138) | ​ | 27
Mortgage-backed securities (GSEs) | ​ |  | 80,111 | ​ |  | (939) | ​ | 39 | ​ |  | 160,129 | ​ |  | (20,626) | ​ | 83 | ​ |  | 240,240 | ​ |  | (21,565) | ​ | 122
Total | ​ | $ | 99,184 | ​ | $ | (1,114) | ​ | 54 | ​ | $ | 280,784 | ​ | $ | (30,462) | ​ | 137 | ​ | $ | 379,968 | ​ | $ | (31,576) | ​ | 191
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2024
​ | ​ | Less than 12 Months | ​ | 12 Months or Greater | ​ | Total
​ |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number |  | ​ | ​ |  | Gross | ​ | Number
​ | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of | ​ | Fair | ​ | Unrealized | ​ | of
Held-to-maturity: | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities | ​ | Value | ​ | Losses | ​ | Securities
U.S. Government-sponsored enterprises (GSEs) | ​ | $ | — | ​ | $ | — | ​ | — | ​ | $ | 40,777 | ​ | $ | (7,335) | ​ | 13 | ​ | $ | 40,777 | ​ | $ | (7,335) | ​ | 13
Municipal securities | ​ |  | — | ​ |  | — | ​ | — | ​ |  | 44,615 | ​ |  | (7,037) | ​ | 35 | ​ |  | 44,615 | ​ |  | (7,037) | ​ | 35
Mortgage-backed securities (GSEs) | ​ |  | — | ​ |  | — | ​ | — | ​ |  | 22,688 | ​ |  | (4,207) | ​ | 5 | ​ |  | 22,688 | ​ |  | (4,207) | ​ | 5
Total | ​ | $ | — | ​ | $ | — | ​ | — | ​ | $ | 108,080 | ​ | $ | (18,579) | ​ | 53 | ​ | $ | 108,080 | ​ | $ | (18,579) | ​ | 53
​
Schedule of Other Investments | The following is the amortized cost and carrying value of other investments (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, | ​ | December 31,
​ |  | 2025 |  | 2024
Federal Reserve Bank stock | ​ | $ | 9,618 |  | $ | 9,045
Federal Home Loan Bank stock | ​ |  | 4,920 |  | ​ | 5,345
First National Bankers Bank stock | ​ |  | 350 |  | ​ | 350
Total | ​ | $ | 14,888 | ​ | $ | 14,740
​

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