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v3.24.3

Securities (Tables) | 9 Months Ended
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Sep. 30, 2024
Securities |
Summary of available for sale debt securities | ​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2024 |
​ |  | ​ | ​ |  | Gross |  | Gross |  | ​ | ​ |
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | ​ |
(Dollars in thousands) | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Fair Value |
U.S. Treasury securities | ​ | $ | 10,977 | ​ | $ | — | ​ | $ | (293) | ​ | $ | 10,684 | ​
U.S. government agencies and corporations | ​ | ​ | 70,396 | ​ | ​ | — | ​ | ​ | (6,727) | ​ | ​ | 63,669 | ​
Mortgage-backed securities | ​ |  | 177,376 | ​ |  | 1,022 | ​ |  | (11,421) | ​ |  | 166,977 | ​
Obligations of states and political subdivisions | ​ |  | 148,636 | ​ |  | 1,830 | ​ | ​ | (3,290) | ​ |  | 147,176 | ​
Corporate and other debt securities | ​ | ​ | 23,408 | ​ | ​ | 4 | ​ | ​ | (2,873) | ​ | ​ | 20,539 | ​
​ | ​ | $ | 430,793 | ​ | $ | 2,856 | ​ | $ | (24,604) | ​ | $ | 409,045 | ​
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2023 |
​ |  | ​ | ​ |  | Gross |  | Gross |  | ​ | ​ |
​ | ​ | Amortized | ​ | Unrealized | ​ | Unrealized | ​ | ​ |
(Dollars in thousands) | ​ | Cost | ​ | Gains | ​ | Losses | ​ | Fair Value |
U.S. Treasury securities | ​ | $ | 45,883 | ​ | $ | — | ​ | $ | (780) | ​ | $ | 45,103 | ​
U.S. government agencies and corporations | ​ | ​ | 96,407 | ​ | ​ | — | ​ | ​ | (9,313) | ​ | ​ | 87,094 | ​
Mortgage-backed securities | ​ |  | 177,734 | ​ |  | 185 | ​ |  | (16,223) | ​ |  | 161,696 | ​
Obligations of states and political subdivisions | ​ |  | 148,875 | ​ |  | 2,280 | ​ |  | (4,044) | ​ |  | 147,111 | ​
Corporate and other debt securities | ​ |  | 25,193 | ​ |  | — | ​ |  | (3,753) | ​ |  | 21,440 | ​
​ | ​ | $ | 494,092 | ​ | $ | 2,465 | ​ | $ | (34,113) | ​ | $ | 462,444 | ​
Schedule of amortized cost and estimated fair value of securities, by the earlier of contractual maturity or expected maturity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | September 30, 2024 |
​ |  | Amortized |  | ​ |
(Dollars in thousands) | ​ | Cost | ​ | Fair Value |
Due in one year or less | ​ | $ | 71,087 | ​ | $ | 69,053 | ​
Due after one year through five years | ​ |  | 175,996 | ​ |  | 164,747 | ​
Due after five years through ten years | ​ |  | 117,701 | ​ |  | 110,577 | ​
Due after ten years | ​ |  | 66,009 | ​ |  | 64,668 | ​
​ | ​ | $ | 430,793 | ​ | $ | 409,045 | ​
Schedule of gross realized gains and losses and the proceeds | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended September 30, | ​ | Nine Months Ended September 30,
(Dollars in thousands) |  | 2024 |  | 2023 |  | 2024 | ​ | 2023
Realized gains from sales, maturities and calls of securities: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Gross realized gains | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | —
Gross realized losses | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | (5)
Net realized losses | ​ | $ | — | ​ | $ | — | ​ | $ | — | ​ | $ | (5)
Proceeds from sales, maturities, calls and paydowns of securities | ​ | $ | 16,344 | ​ | $ | 30,719 | ​ | $ | 89,240 | ​ | $ | 75,560
Schedule of securities in an unrealized loss position | Securities in an unrealized loss position at September 30, 2024, by duration of the period of the unrealized loss, are shown below. ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less Than 12 Months | ​ | 12 Months or More | ​ | Total |
​ |  | Fair |  | Unrealized |  | Fair |  | Unrealized |  | Fair |  | Unrealized |
(Dollars in thousands) | ​ | Value | ​ | Loss | ​ | Value | ​ | Loss | ​ | Value | ​ | Loss |
U.S. Treasury securities | ​ | $ | — | ​ | $ | — | ​ | $ | 10,684 | ​ | $ | 293 | ​ | $ | 10,684 | ​ | $ | 293 | ​
U.S. government agencies and corporations | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 63,669 | ​ | ​ | 6,727 | ​ | ​ | 63,669 | ​ | ​ | 6,727 | ​
Mortgage-backed securities | ​ |  | 2,615 | ​ | ​ | 27 | ​ |  | 132,043 | ​ |  | 11,394 | ​ |  | 134,658 | ​ |  | 11,421 | ​
Obligations of states and political subdivisions | ​ |  | 9,484 | ​ | ​ | 60 | ​ |  | 62,583 | ​ |  | 3,230 | ​ |  | 72,067 | ​ |  | 3,290 | ​
Corporate and other debt securities | ​ | ​ | 484 | ​ | ​ | 16 | ​ | ​ | 19,051 | ​ | ​ | 2,857 | ​ | ​ | 19,535 | ​ | ​ | 2,873 | ​
Total | ​ | $ | 12,583 | ​ | $ | 103 | ​ | $ | 288,030 | ​ | $ | 24,501 | ​ | $ | 300,613 | ​ | $ | 24,604 | ​
Securities in an unrealized loss position at December 31, 2023, by duration of the period of the unrealized loss, are shown below. ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less Than 12 Months | ​ | 12 Months or More | ​ | Total |
​ |  | Fair |  | Unrealized |  | Fair |  | Unrealized |  | Fair |  | Unrealized |
(Dollars in thousands) | ​ | Value | ​ | Loss | ​ | Value | ​ | Loss | ​ | Value | ​ | Loss |
U.S. Treasury securities | ​ | $ | — | ​ | $ | — | ​ | $ | 45,103 | ​ | $ | 780 | ​ | $ | 45,103 | ​ | $ | 780 | ​
U.S. government agencies and corporations | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 87,094 | ​ | ​ | 9,313 | ​ | ​ | 87,094 | ​ | ​ | 9,313 | ​
Mortgage-backed securities | ​ | ​ | 5,528 | ​ | ​ | 68 | ​ |  | 150,023 | ​ |  | 16,155 | ​ |  | 155,551 | ​ |  | 16,223 | ​
Obligations of states and political subdivisions | ​ | ​ | 4,659 | ​ | ​ | 72 | ​ | ​ | 65,630 | ​ |  | 3,972 | ​ | ​ | 70,289 | ​ | ​ | 4,044 | ​
Corporate and other debt securities | ​ |  | 3,386 | ​ | ​ | 364 | ​ |  | 18,054 | ​ | ​ | 3,389 | ​ |  | 21,440 | ​ |  | 3,753 | ​
Total | ​ | $ | 13,573 | ​ | $ | 504 | ​ | $ | 365,904 | ​ | $ | 33,609 | ​ | $ | 379,477 | ​ | $ | 34,113 | ​

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