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Investments (Tables) | 6 Months Ended
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Jun. 30, 2023
Investments [Abstract] |
Unrealized Gain (Loss) On Investments |
(Dollars in thousands) |  |  |  |  | Gross |  | Gross |  |  |
|  | Amortized |  | unrealized |  | unrealized |  | Fair
June 30, 2023 |  | cost |  | gains |  | losses |  | Value
U.S. Treasury |  | $ | 83,849 |  | $ | — |  | $ | (11,157) |  | $ | 72,692
Municipal |  |  | 161,978 |  |  | — |  |  | (25,622) |  |  | 136,356
Corporate |  |  | 26,326 |  |  | — |  |  | (3,496) |  |  | 22,830
Agency mortgage & asset-backed |  |  | 152,013 |  |  | 36 |  |  | (12,164) |  |  | 139,885
Non-Agency mortgage & asset-backed |  |  | 72,591 |  |  | 7 |  |  | (4,890) |  |  | 67,708
Total |  | $ | 496,757 |  | $ | 43 |  | $ | (57,329) |  | $ | 439,471
(Dollars in thousands) |  |  |  |  | Gross |  | Gross |  |  |
|  | Amortized |  | unrealized |  | unrealized |  | Fair
December 31, 2022 |  | cost |  | gains |  | losses |  | value
U.S. Treasury |  | $ | 101,980 |  | $ | — |  | $ | (11,723) |  | $ | 90,257
Municipal |  |  | 186,007 |  |  | 14 |  |  | (30,566) |  |  | 155,455
Corporate |  |  | 26,316 |  |  | — |  |  | (2,077) |  |  | 24,239
Agency mortgage & asset-backed |  |  | 163,274 |  |  | 19 |  |  | (12,358) |  |  | 150,935
Non-Agency mortgage & asset-backed |  |  | 70,756 |  |  | 1 |  |  | (4,807) |  |  | 65,950
Total |  | $ | 548,333 |  | $ | 34 |  | $ | (61,531) |  | $ | 486,836
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 |  |  | 31,288 |  |  | 27,477
Due after five years through ten years |  |  | 123,670 |  |  | 106,461
Due after ten years |  |  | 117,195 |  |  | 97,940
|  |  | 272,153 |  |  | 231,878
Mortgage & asset-backed |  |  | 224,604 |  |  | 207,593
|  | $ | 496,757 |  | $ | 439,471
Composition Of Net Realized Securities Gains (Losses) |
|  | For the Three Months Ended |  | For the Six Months Ended
|  | June 30, |  | June 30,
(Dollars in thousands) |  | 2023 |  | 2022 |  | 2023 |  | 2022
Proceeds |  | $ | 7,262 |  | $ | 82 |  | $ | 40,117 |  | $ | 82
Gross gains realized |  | $ | — |  | $ | — |  | $ | 12 |  | $ | —
Gross losses realized |  |  | (517) |  |  | (19) |  |  | (1,131) |  |  | (19)
Net (losses) gains realized |  | $ | (517) |  | $ | (19) |  | $ | (1,119) |  | $ | (19)
Tax benefit (provision) on net (losses) gains realized |  | $ | 109 |  | $ | 4 |  | $ | 235 |  | $ | 4
Schedule Of Unrealized Loss On Investments |
| June 30, 2023
| 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 | $ | — |  | $ | — |  | — |  | $ | 72,692 |  | $ | (11,157) |  | 28 |  | $ | 72,692 |  | $ | (11,157) |  | 28
Municipal |  | 842 |  |  | (161) |  | 2 |  |  | 135,515 |  |  | (25,461) |  | 166 |  |  | 136,357 |  |  | (25,622) |  | 168
Corporate |  | 4,279 |  |  | (521) |  | 11 |  |  | 18,551 |  |  | (2,975) |  | 40 |  |  | 22,830 |  |  | (3,496) |  | 51
Agency mortgage & asset-backed |  | 14,773 |  |  | (474) |  | 48 |  |  | 121,344 |  |  | (11,690) |  | 205 |  |  | 136,117 |  |  | (12,164) |  | 253
Non-Agency mortgage & asset-backed |  | 26,547 |  |  | (1,307) |  | 27 |  |  | 39,473 |  |  | (3,583) |  | 43 |  |  | 66,020 |  |  | (4,890) |  | 70
Total temporarily impaired | $ | 46,441 |  | $ | (2,463) |  | 88 |  | $ | 387,575 |  | $ | (54,866) |  | 482 |  | $ | 434,016 |  | $ | (57,329) |  | 570
| December 31, 2022
| 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 | $ | 17,598 |  | $ | (183) |  | 3 |  | $ | 72,659 |  | $ | (11,540) |  | 28 |  | $ | 90,257 |  | $ | (11,723) |  | 31
Municipal |  | 73,644 |  |  | (9,586) |  | 90 |  |  | 80,503 |  |  | (20,981) |  | 104 |  |  | 154,147 |  |  | (30,566) |  | 194
Corporate |  | 12,221 |  |  | (851) |  | 25 |  |  | 10,368 |  |  | (1,226) |  | 21 |  |  | 22,589 |  |  | (2,077) |  | 46
Agency mortgage & asset-backed |  | 55,393 |  |  | (2,747) |  | 139 |  |  | 88,953 |  |  | (9,611) |  | 113 |  |  | 144,346 |  |  | (12,358) |  | 252
Non-Agency mortgage & asset-backed |  | 49,301 |  |  | (3,092) |  | 52 |  |  | 14,207 |  |  | (1,715) |  | 16 |  |  | 63,508 |  |  | (4,807) |  | 68
Total temporarily impaired | $ | 208,157 |  | $ | (16,459) |  | 309 |  | $ | 266,690 |  | $ | (45,072) |  | 282 |  | $ | 474,847 |  | $ | (61,531) |  | 591

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- Definition For all investments in an unrealized loss position, including those for which other-than-temporary impairments have not been recognized in earnings (including investments for which a portion of an other-than-temporary impairment has been recognized in other comprehensive income), a tabular disclosure of the aggregate related fair value of investments with unrealized losses and the aggregate amount of unrealized losses (that is, the amount by which amortized cost basis exceeds fair value). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27290-111563 + Details
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