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Investments (Tables) | 9 Months Ended
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Sep. 30, 2024
Investments |
Unrealized Gain (Loss) on Investments | ​
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(in thousands) |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Allowance for Credit Losses |  | Estimated Fair Value
September 30, 2024 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Available for Sale: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. government agencies | ​ | $ | 7,000 | ​ | $ | — | ​ | $ | 761 | ​ | $ | — | ​ | $ | 6,239
Residential mortgage-backed agencies | ​ | ​ | 23,202 | ​ | ​ | — | ​ | ​ | 3,559 | ​ | ​ | — | ​ | ​ | 19,643
Commercial mortgage-backed agencies | ​ | ​ | 35,721 | ​ | ​ | — | ​ | ​ | 7,368 | ​ | ​ | — | ​ | ​ | 28,353
Collateralized mortgage obligations | ​ | ​ | 18,533 | ​ | ​ | — | ​ | ​ | 2,853 | ​ | ​ | — | ​ | ​ | 15,680
Obligations of states and political subdivisions | ​ | ​ | 7,803 | ​ | ​ | 14 | ​ | ​ | 91 | ​ | ​ | — | ​ | ​ | 7,726
Corporate bonds | ​ | ​ | 1,000 | ​ | ​ | — | ​ | ​ | 260 | ​ | ​ | — | ​ | ​ | 740
Collateralized debt obligations | ​ | ​ | 18,658 | ​ | ​ | — | ​ | ​ | 3,879 | ​ | ​ | — | ​ | ​ | 14,779
Total available for sale | ​ | $ | 111,917 | ​ | $ | 14 | ​ | $ | 18,771 | ​ | $ | — | ​ | $ | 93,160
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
(in thousands) |  | Amortized Cost |  | Gross Unrecognized Gains |  | Gross Unrecognized Losses |  | Estimated Fair Value |  | Allowance for Credit Losses
September 30, 2024 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Held to Maturity: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. government agencies | ​ | $ | 68,229 | ​ | $ | — | ​ | $ | 8,662 | ​ | $ | 59,567 | ​ | $ | —
Residential mortgage-backed agencies | ​ | ​ | 29,866 | ​ | ​ | 79 | ​ | ​ | 2,455 | ​ | ​ | 27,490 | ​ | ​ | —
Commercial mortgage-backed agencies | ​ | ​ | 21,177 | ​ | ​ | — | ​ | ​ | 5,008 | ​ | ​ | 16,169 | ​ | ​ | —
Collateralized mortgage obligations | ​ | ​ | 50,332 | ​ | ​ | — | ​ | ​ | 8,334 | ​ | ​ | 41,998 | ​ | ​ | —
Obligations of states and political subdivisions | ​ | ​ | 4,509 | ​ | ​ | 218 | ​ | ​ | 603 | ​ | ​ | 4,124 | ​ | ​ | 59
Total held to maturity | ​ | $ | 174,113 | ​ | $ | 297 | ​ | $ | 25,062 | ​ | $ | 149,348 | ​ | $ | 59
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(in thousands) |  | Amortized Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Allowance for Credit Losses |  | Estimated Fair Value
December 31, 2023 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Available for Sale: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. government agencies | ​ | $ | 7,000 | ​ | $ | — | ​ | $ | 966 | ​ | $ | — | ​ | $ | 6,034
Residential mortgage-backed agencies | ​ | ​ | 24,781 | ​ | ​ | — | ​ | ​ | 4,218 | ​ | ​ | — | ​ | ​ | 20,563
Commercial mortgage-backed agencies | ​ | ​ | 36,258 | ​ | ​ | — | ​ | ​ | 7,841 | ​ | ​ | — | ​ | ​ | 28,417
Collateralized mortgage obligations | ​ | ​ | 19,725 | ​ | ​ | — | ​ | ​ | 3,369 | ​ | ​ | — | ​ | ​ | 16,356
Obligations of states and political subdivisions | ​ | ​ | 10,486 | ​ | ​ | 15 | ​ | ​ | 189 | ​ | ​ | — | ​ | ​ | 10,312
Corporate bonds | ​ | ​ | 1,000 | ​ | ​ | — | ​ | ​ | 222 | ​ | ​ | — | ​ | ​ | 778
Collateralized debt obligations | ​ | ​ | 18,671 | ​ | ​ | — | ​ | ​ | 3,962 | ​ | ​ | — | ​ | ​ | 14,709
Total available for sale | ​ | $ | 117,921 | ​ | $ | 15 | ​ | $ | 20,767 | ​ | $ | — | ​ | $ | 97,169
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(in thousands) |  | Amortized Cost |  | Gross Unrecognized Gains |  | Gross Unrecognized Losses |  | Estimated Fair Value |  | Allowance for Credit Losses
December 31, 2023 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Held to Maturity: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. treasuries | ​ | $ | 37,462 | ​ | $ | — | ​ | $ | 243 | ​ | $ | 37,219 | ​ | $ | —
U.S. government agencies | ​ | ​ | 68,014 | ​ | ​ | — | ​ | ​ | 10,985 | ​ | ​ | 57,029 | ​ | ​ | —
Residential mortgage-backed agencies | ​ | ​ | 29,588 | ​ | ​ | 42 | ​ | ​ | 2,913 | ​ | ​ | 26,717 | ​ | ​ | —
Commercial mortgage-backed agencies | ​ | ​ | 21,413 | ​ | ​ | — | ​ | ​ | 5,361 | ​ | ​ | 16,052 | ​ | ​ | —
Collateralized mortgage obligations | ​ | ​ | 53,261 | ​ | ​ | — | ​ | ​ | 9,973 | ​ | ​ | 43,288 | ​ | ​ | —
Obligations of states and political subdivisions | ​ | ​ | 4,604 | ​ | ​ | 177 | ​ | ​ | 671 | ​ | ​ | 4,110 | ​ | ​ | 45
Total held to maturity | ​ | $ | 214,342 | ​ | $ | 219 | ​ | $ | 30,146 | ​ | $ | 184,415 | ​ | $ | 45
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Gross Unrealized Losses and Fair Values of Securities | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less than 12 months | ​ | 12 months or more
(in thousands) |  | Fair Value |  | Unrealized Losses |  | Number of Investments |  | Fair Value |  | Unrealized Losses |  | Number of Investments
September 30, 2024 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Available for Sale: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. government agencies | ​ | $ | — | ​ | $ | — | ​ | — | ​ | $ | 6,239 | ​ | $ | 761 | ​ | 2
Residential mortgage-backed agencies | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 19,643 | ​ | ​ | 3,559 | ​ | 3
Commercial mortgage-backed agencies | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 28,353 | ​ | ​ | 7,368 | ​ | 8
Collateralized mortgage obligations | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 15,680 | ​ | ​ | 2,853 | ​ | 9
Obligations of states and political subdivisions | ​ | ​ | 243 | ​ | ​ | 2 | ​ | 1 | ​ | ​ | 3,959 | ​ | ​ | 89 | ​ | 3
Corporate bonds | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 740 | ​ | ​ | 260 | ​ | 1
Collateralized debt obligations | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 14,779 | ​ | ​ | 3,879 | ​ | 9
Total available for sale | ​ | $ | 243 | ​ | $ | 2 | ​ | 1 | ​ | $ | 89,393 | ​ | $ | 18,769 | ​ | 35
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less than 12 months | ​ | 12 months or more
(in thousands) |  | Fair Value |  | Unrecognized Losses |  | Number of Investments |  | Fair Value |  | Unrecognized Losses |  | Number of Investments
September 30, 2024 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Held to Maturity: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. government agencies | ​ | $ | — | ​ | $ | — | ​ | — | ​ | $ | 59,567 | ​ | $ | 8,662 | ​ | 9
Residential mortgage-backed agencies | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 21,549 | ​ | ​ | 2,455 | ​ | 35
Commercial mortgage-backed agencies | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 16,169 | ​ | ​ | 5,008 | ​ | 2
Collateralized mortgage obligations | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 41,998 | ​ | ​ | 8,334 | ​ | 8
Obligations of states and political subdivisions | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 2,277 | ​ | ​ | 603 | ​ | 1
Total held to maturity | ​ | $ | — | ​ | $ | — | ​ | — | ​ | $ | 141,560 | ​ | $ | 25,062 | ​ | 55
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​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less than 12 months | ​ | 12 months or more
(in thousands) |  | Fair Value |  | Unrealized Losses |  | Number of Investments |  | Fair Value |  | Unrealized Losses |  | Number of Investments
December 31, 2023 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Available for Sale: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. government agencies | ​ | $ | — | ​ | $ | — | ​ | — | ​ | $ | 6,034 | ​ | $ | 966 | ​ | 2
Residential mortgage-backed agencies | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 20,563 | ​ | ​ | 4,218 | ​ | 3
Commercial mortgage-backed agencies | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 28,417 | ​ | ​ | 7,841 | ​ | 8
Collateralized mortgage obligations | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 16,356 | ​ | ​ | 3,369 | ​ | 9
Obligations of states and political subdivisions | ​ | ​ | 1,445 | ​ | ​ | 20 | ​ | 2 | ​ | ​ | 6,668 | ​ | ​ | 169 | ​ | 3
Corporate Bonds | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 778 | ​ | ​ | 222 | ​ | 1
Collateralized debt obligations | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 14,709 | ​ | ​ | 3,962 | ​ | 9
Total available for sale | ​ | $ | 1,445 | ​ | $ | 20 | ​ | 2 | ​ | $ | 93,525 | ​ | $ | 20,747 | ​ | 35
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Less than 12 months | ​ | 12 months or more
(in thousands) |  | Fair Value |  | Unrecognized Losses |  | Number of Investments |  | Fair Value |  | Unrecognized Losses |  | Number of Investments
December 31, 2023 | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Held to Maturity: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
U.S. treasuries | ​ | $ | — | ​ | $ | — | ​ | — | ​ | $ | 37,219 | ​ | $ | 243 | ​ | 4
U.S. government agencies | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 57,029 | ​ | ​ | 10,985 | ​ | 9
Residential mortgage-backed agencies | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 22,613 | ​ | ​ | 2,913 | ​ | 35
Commercial mortgage-backed agencies | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 16,052 | ​ | ​ | 5,361 | ​ | 2
Collateralized mortgage obligations | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 43,288 | ​ | ​ | 9,973 | ​ | 8
Obligations of states and political subdivisions | ​ | ​ | — | ​ | ​ | — | ​ | — | ​ | ​ | 2,205 | ​ | ​ | 671 | ​ | 1
Total held to maturity | ​ | $ | — | ​ | $ | — | ​ | — | ​ | $ | 178,406 | ​ | $ | 30,146 | ​ | 59
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​ ​
Amortized Cost and Fair Values Classified by Contractual Maturity Date | ​
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​ | ​ | September 30, 2024
(in thousands) |  | Amortized Cost |  | Fair Value
Contractual Maturity | ​ | ​ | ​ | ​ | ​ | ​
Available for Sale: | ​ | ​ | ​ | ​ | ​ | ​
Due in one year or less | ​ | $ | 1,270 | ​ | $ | 1,270
Due after one year through five years | ​ | ​ | 5,250 | ​ | ​ | 5,077
Due after five years through ten years | ​ | ​ | 3,396 | ​ | ​ | 3,117
Due after ten years | ​ | ​ | 24,545 | ​ | ​ | 20,020
​ | ​ | ​ | 34,461 | ​ | ​ | 29,484
Residential mortgage-backed agencies | ​ | ​ | 23,202 | ​ | ​ | 19,643
Commercial mortgage-backed agencies | ​ | ​ | 35,721 | ​ | ​ | 28,353
Collateralized mortgage obligations | ​ | ​ | 18,533 | ​ | ​ | 15,680
Total available for sale | ​ | $ | 111,917 | ​ | $ | 93,160
Held to Maturity: | ​ | ​ | ​ | ​ | ​ | ​
Due after one year through five years | ​ | $ | 12,500 | ​ | $ | 12,115
Due after five years through ten years | ​ | ​ | 40,498 | ​ | ​ | 35,862
Due after ten years | ​ | ​ | 19,740 | ​ | ​ | 15,714
​ | ​ | ​ | 72,738 | ​ | ​ | 63,691
Residential mortgage-backed agencies | ​ | ​ | 29,866 | ​ | ​ | 27,490
Commercial mortgage-backed agencies | ​ | ​ | 21,177 | ​ | ​ | 16,169
Collateralized mortgage obligations | ​ | ​ | 50,332 | ​ | ​ | 41,998
Total held to maturity | ​ | $ | 174,113 | ​ | $ | 149,348

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