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Investments (Tables) | 9 Months Ended
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Sep. 30, 2022
Investments [Abstract] |
Unrealized Gain (Loss) On Investments |
(Dollars in thousands) |  |  |  |  | Gross |  | Gross |  |  |
|  | Amortized |  | unrealized |  | unrealized |  | Fair
September 30, 2022 |  | cost |  | gains |  | losses |  | value
U.S. Treasury |  | $ | 92,305 |  | $ | — |  | $ | (12,396) |  | $ | 79,909
Municipal |  |  | 203,370 |  |  | 24 |  |  | (34,133) |  |  | 169,261
Corporate |  |  | 26,311 |  |  | — |  |  | (1,689) |  |  | 24,622
Agency mortgage & asset-backed |  |  | 169,537 |  |  | 38 |  |  | (12,555) |  |  | 157,020
Non-Agency mortgage & asset-backed |  |  | 65,471 |  |  | 2 |  |  | (4,253) |  |  | 61,220
Total |  | $ | 556,994 |  | $ | 64 |  | $ | (65,026) |  | $ | 492,032
(Dollars in thousands) |  |  |  |  | Gross |  | Gross |  |  |
|  | Amortized |  | unrealized |  | unrealized |  | Fair
December 31, 2021 |  | cost |  | gains |  | losses |  | value
U.S. Treasury |  | $ | 84,896 |  | $ | 88 |  | $ | (698) |  | $ | 84,286
Municipal |  |  | 206,501 |  |  | 7,148 |  |  | (1,422) |  |  | 212,227
Corporate |  |  | 24,794 |  |  | 333 |  |  | (188) |  |  | 24,939
Agency mortgage & asset-backed |  |  | 178,614 |  |  | 1,157 |  |  | (2,086) |  |  | 177,685
Non-Agency mortgage & asset-backed |  |  | 30,912 |  |  | 34 |  |  | (272) |  |  | 30,674
Total |  | $ | 525,717 |  | $ | 8,760 |  | $ | (4,666) |  | $ | 529,811
Amortized Cost And Fair Value Of Debt Securities, By Contractual Maturity |
(Dollars in thousands) |  | Amortized ‎cost |  | Fair ‎value
Due in one year or less |  | $ | 3,971 |  | $ | 3,942
Due after one year through five years |  |  | 14,689 |  |  | 14,121
Due after five years through ten years |  |  | 150,057 |  |  | 130,188
Due after ten years |  |  | 153,269 |  |  | 125,541
|  |  | 321,986 |  |  | 273,792
Mortgage & asset-backed |  |  | 235,008 |  |  | 218,240
|  | $ | 556,994 |  | $ | 492,032
Schedule Of Gain (Loss) On Investments |
|  | For the Three Months Ended |  | For the Nine Months Ended
|  | September 30, |  | September 30,
(Dollars in thousands) |  | 2022 |  | 2021 |  | 2022 |  | 2021
Proceeds |  | $ | 1,000 |  | $ | — |  | $ | 1,082 |  | $ | 16,060
Gross gains realized |  |  | — |  |  | — |  |  | — |  |  | 169
Gross losses realized |  |  | (15) |  |  | — |  |  | (34) |  |  | (78)
Net (losses) gains realized |  | $ | (15) |  | $ | — |  | $ | (34) |  | $ | 91
Tax benefit (provision) on net (losses) gains realized |  | $ | 3 |  | $ | — |  | $ | 7 |  | $ | (19)
Schedule Of Unrealized Loss On Investments |
| September 30, 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 | $ | 16,836 |  | $ | (1,864) |  | 11 |  | $ | 63,073 |  | $ | (10,532) |  | 19 |  | $ | 79,909 |  | $ | (12,396) |  | 30
Municipal |  | 132,404 |  |  | (22,568) |  | 167 |  |  | 34,527 |  |  | (11,565) |  | 49 |  |  | 166,931 |  |  | (34,133) |  | 216
Corporate |  | 15,560 |  |  | (1,053) |  | 31 |  |  | 7,412 |  |  | (636) |  | 15 |  |  | 22,972 |  |  | (1,689) |  | 46
Agency mortgage & asset-backed |  | 67,183 |  |  | (3,158) |  | 158 |  |  | 80,796 |  |  | (9,397) |  | 89 |  |  | 147,979 |  |  | (12,555) |  | 247
Non-Agency mortgage & asset-backed |  | 45,802 |  |  | (2,962) |  | 47 |  |  | 11,762 |  |  | (1,291) |  | 13 |  |  | 57,564 |  |  | (4,253) |  | 60
Total temporarily impaired | $ | 277,785 |  | $ | (31,605) |  | 414 |  | $ | 197,570 |  | $ | (33,421) |  | 185 |  | $ | 475,355 |  | $ | (65,026) |  | 599
| December 31, 2021
| 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 | $ | 76,383 |  | $ | (698) |  | 21 |  | $ | — |  | $ | — |  | — |  | $ | 76,383 |  | $ | (698) |  | 21
Municipal |  | 38,997 |  |  | (910) |  | 44 |  |  | 15,404 |  |  | (512) |  | 16 |  |  | 54,401 |  |  | (1,422) |  | 60
Corporate |  | 8,954 |  |  | (132) |  | 17 |  |  | 1,694 |  |  | (56) |  | 3 |  |  | 10,648 |  |  | (188) |  | 20
Agency mortgage & asset-backed |  | 96,923 |  |  | (1,669) |  | 94 |  |  | 15,991 |  |  | (417) |  | 18 |  |  | 112,914 |  |  | (2,086) |  | 112
Non-Agency mortgage & asset-backed |  | 15,215 |  |  | (215) |  | 11 |  |  | 1,964 |  |  | (57) |  | 3 |  |  | 17,179 |  |  | (272) |  | 14
Total temporarily impaired | $ | 236,472 |  | $ | (3,624) |  | 187 |  | $ | 35,053 |  | $ | (1,042) |  | 40 |  | $ | 271,525 |  | $ | (4,666) |  | 227
Other Than Temporary Impairment, Credit Losses Recognized In Earnings |
|  | Nine Months Ended
(Dollars in thousands) |  | September 30,
|  | 2022 |  | 2021
Balance of cumulative credit-related OTTI at January 1 |  | $ | 257 |  | $ | 272
Decreases for previously recognized credit losses on securities that paid off or sold |  |  | (257) |  |  | (15)
Balance of credit-related OTTI at September 30 |  | $ | — |  | $ | 257

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- Definition Tabular disclosure of the amount of other than temporary impairment (OTTI) related to credit losses recognized in earnings including: (a) the beginning balance of the amount related to credit losses on debt securities held by the investor at the beginning of the period for which a portion of an OTTI was recognized in other comprehensive income; (b) additions for the amount related to the credit loss for which an OTTI was not previously recognized; (c) reductions for securities sold during the period (realized); (d) reductions for securities for which the amount previously recognized in other comprehensive income was recognized in earnings because the investor intends to sell the security or more likely than not will be required to sell the security before recovery of its amortized cost basis; (e) additional increases to the amount related to the credit loss for which an OTTI was previously recognized when the investor does not intend to sell the security and it is not more likely than not that the investor will be required to sell the security before recovery of its amortized cost basis; (f) reductions for increases in cash flows expected to be collected that are recognized over the remaining life of the security; and (g) the ending balance of the amount related to credit losses on debt securities held by the entity at the end of the period for which a portion of an OTTI was recognized in other comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=126970911&loc=d3e27340-111563 + Details
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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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