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Investments (Tables) | 9 Months Ended
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Sep. 30, 2025
Investments [Abstract] |
Unrealized Gain (Loss) On Investments |
(Dollars in thousands) |  |  |  |  | Gross |  | Gross |  |  |
|  | Amortized |  | unrealized |  | unrealized |  | Fair
September 30, 2025 |  | cost |  | gains |  | losses |  | Value
U.S. Treasury |  | $ | 35,958 |  | $ | — |  | $ | (2,891) |  | $ | 33,067
Municipal |  |  | 154,608 |  |  | — |  |  | (17,910) |  |  | 136,698
Corporate |  |  | 21,482 |  |  | 2 |  |  | (1,253) |  |  | 20,231
Agency MBS & CMO |  |  | 138,466 |  |  | 112 |  |  | (6,202) |  |  | 132,376
Non-Agency MBS & CMO |  |  | 120,797 |  |  | 293 |  |  | (2,320) |  |  | 118,770
Asset-backed |  |  | 28,398 |  |  | 101 |  |  | (356) |  |  | 28,143
Total |  | $ | 499,709 |  | $ | 508 |  | $ | (30,932) |  | $ | 469,285
(Dollars in thousands) |  |  |  |  | Gross |  | Gross |  |  |
|  | Amortized |  | unrealized |  | unrealized |  | Fair
December 31, 2024 |  | cost |  | gains |  | losses |  | value
U.S. Treasury |  | $ | 36,192 |  | $ | — |  | $ | (4,395) |  | $ | 31,797
Municipal |  |  | 156,528 |  |  | 37 |  |  | (22,973) |  |  | 133,592
Corporate |  |  | 26,356 |  |  | 1 |  |  | (2,133) |  |  | 24,224
Agency MBS & CMO |  |  | 149,003 |  |  | 15 |  |  | (10,276) |  |  | 138,742
Non-Agency MBS & CMO |  |  | 154,554 |  |  | 45 |  |  | (5,429) |  |  | 149,170
Asset-backed |  |  | 31,420 |  |  | 163 |  |  | (504) |  |  | 31,079
Total |  | $ | 554,053 |  | $ | 261 |  | $ | (45,710) |  | $ | 508,604
Amortized Cost And Fair Value Of Debt Securities, By Contractual Maturity |
(Dollars in thousands) |  | Amortized ‎cost |  | Fair ‎value
Due in one year or less |  | $ | — |  | $ | —
Due after one year through five years |  |  | 48,468 |  |  | 45,527
Due after five years through ten years |  |  | 94,543 |  |  | 84,340
Due after ten years |  |  | 69,037 |  |  | 60,129
|  |  | 212,048 |  |  | 189,996
MBS, CMO & ABS |  |  | 287,661 |  |  | 279,289
|  | $ | 499,709 |  | $ | 469,285
Schedule Of Unrealized Loss On Investments |
| September 30, 2025
| Less than 12 months |  | 12 months or more |  | Total
| Fair |  | Unrealized |  |  |  | Fair |  | Unrealized |  |  |  | Fair |  | Unrealized |  |
(Dollars in thousands) | Value |  | Losses |  | Count |  | Value |  | Losses |  | Count |  | Value |  | Losses |  | Count
U.S. Treasury | $ | — |  | $ | — |  | — |  | $ | 33,067 |  | $ | (2,891) |  | 13 |  | $ | 33,067 |  | $ | (2,891) |  | 13
Municipal |  | 791 |  |  | (80) |  | 2 |  |  | 135,907 |  |  | (17,830) |  | 163 |  |  | 136,698 |  |  | (17,910) |  | 165
Corporate |  | — |  |  | — |  | — |  |  | 18,988 |  |  | (1,253) |  | 40 |  |  | 18,988 |  |  | (1,253) |  | 40
Agency MBS & CMO |  | 2,673 |  |  | (8) |  | 15 |  |  | 120,007 |  |  | (6,194) |  | 170 |  |  | 122,680 |  |  | (6,202) |  | 185
Non-Agency MBS & CMO |  | 2,445 |  |  | (4) |  | 3 |  |  | 79,608 |  |  | (2,316) |  | 43 |  |  | 82,053 |  |  | (2,320) |  | 46
Asset-backed |  | 1,785 |  |  | (17) |  | 4 |  |  | 15,533 |  |  | (339) |  | 31 |  |  | 17,318 |  |  | (356) |  | 35
Total unrealized losses | $ | 7,694 |  | $ | (109) |  | 24 |  | $ | 403,110 |  | $ | (30,823) |  | 460 |  | $ | 410,804 |  | $ | (30,932) |  | 484
| December 31, 2024
| Less than 12 months |  | 12 months or more |  | Total
| Fair |  | Unrealized |  |  |  | Fair |  | Unrealized |  |  |  | Fair |  | Unrealized |  |
(Dollars in thousands) | Value |  | Losses |  | Count |  | Value |  | Losses |  | Count |  | Value |  | Losses |  | Count
U.S. Treasury | $ | — |  | $ | — |  | — |  | $ | 31,797 |  | $ | (4,395) |  | 13 |  | $ | 31,797 |  | $ | (4,395) |  | 13
Municipal |  | — |  |  | — |  | — |  |  | 132,550 |  |  | (22,973) |  | 164 |  |  | 132,550 |  |  | (22,973) |  | 164
Corporate |  | — |  |  | — |  | — |  |  | 23,237 |  |  | (2,133) |  | 50 |  |  | 23,237 |  |  | (2,133) |  | 50
Agency MBS & CMO |  | 54,388 |  |  | (2,250) |  | 15 |  |  | 82,110 |  |  | (8,026) |  | 183 |  |  | 136,498 |  |  | (10,276) |  | 198
Non-Agency MBS & CMO |  | 79,422 |  |  | (2,974) |  | 26 |  |  | 53,615 |  |  | (2,455) |  | 50 |  |  | 133,037 |  |  | (5,429) |  | 76
Asset-backed |  | 733 |  |  | (1) |  | 3 |  |  | 19,061 |  |  | (503) |  | 34 |  |  | 19,794 |  |  | (504) |  | 37
Total unrealized losses | $ | 134,543 |  | $ | (5,225) |  | 44 |  | $ | 342,370 |  | $ | (40,485) |  | 494 |  | $ | 476,913 |  | $ | (45,710) |  | 538

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