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Investments (Tables) | 6 Months Ended
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Jun. 30, 2021
Investments [Abstract] |
Unrealized Gain (Loss) On Investments |
(Dollars in thousands) |  |  |  |  | Gross |  | Gross |  |  |
|  | Amortized |  | unrealized |  | unrealized |  | Fair
June 30, 2021 |  | cost |  | gains |  | losses |  | value
U.S. Government and Agency securities |  | $ | 79,377 |  | $ | 358 |  | $ | (17) |  | $ | 79,718
Municipal securities |  |  | 219,690 |  |  | 8,724 |  |  | (1,146) |  |  | 227,268
Corporate securities |  |  | 24,275 |  |  | 295 |  |  | (159) |  |  | 24,411
Agency mortgage-backed securities |  |  | 115,849 |  |  | 1,694 |  |  | (420) |  |  | 117,123
Private-label mortgage-backed securities |  |  | 20,087 |  |  | 35 |  |  | (60) |  |  | 20,062
Asset-backed securities |  |  | 43,367 |  |  | 381 |  |  | (83) |  |  | 43,665
|  | $ | 502,645 |  | $ | 11,487 |  | $ | (1,885) |  | $ | 512,247
(Dollars in thousands) |  |  |  |  | Gross |  | Gross |  |  |
|  | Amortized |  | unrealized |  | unrealized |  | Fair
December 31, 2020 |  | cost |  | gains |  | losses |  | value
U.S. Government and Agency securities |  | $ | 12,594 |  | $ | 20 |  | $ | (40) |  | $ | 12,574
Municipal securities |  |  | 236,253 |  |  | 11,020 |  |  | (219) |  |  | 247,054
Corporate securities |  |  | 20,421 |  |  | 22 |  |  | (155) |  |  | 20,288
Agency mortgage-backed securities |  |  | 70,443 |  |  | 1,905 |  |  | (107) |  |  | 72,241
Private-label mortgage-backed securities |  |  | 8,412 |  |  | 56 |  |  | (15) |  |  | 8,453
Asset-backed securities |  |  | 36,246 |  |  | 249 |  |  | (165) |  |  | 36,330
|  | $ | 384,369 |  | $ | 13,272 |  | $ | (701) |  | $ | 396,940
Amortized Cost And Fair Value Of Debt Securities, By Contractual Maturity |
(Dollars in thousands) |  | Amortized ‎cost |  | Fair ‎value
Due in one year or less |  | $ | 2,804 |  | $ | 2,829
Due after one year through five years |  |  | 22,439 |  |  | 23,044
Due after five years through ten years |  |  | 248,520 |  |  | 256,445
Due after ten years |  |  | 49,579 |  |  | 49,079
|  |  | 323,342 |  |  | 331,397
Mortgage-backed and asset-backed securities |  |  | 179,303 |  |  | 180,850
|  | $ | 502,645 |  | $ | 512,247
Composition Of Net Realized Securities Gains |
|  | For the Three Months Ended |  | For the Six Months Ended
|  | June 30, |  | June 30,
(Dollars in thousands) |  | 2021 |  | 2020 |  | 2021 |  | 2020
Proceeds |  | $ | 16,060 |  | $ | — |  | $ | 16,060 |  | $ | 165
Gross gains realized |  |  | 169 |  |  | — |  |  | 169 |  |  | —
Gross losses realized |  |  | (78) |  |  | — |  |  | (78) |  |  | (10)
Net gains (losses) realized |  | $ | 91 |  | $ | — |  | $ | 91 |  | $ | (10)
Tax (provision) benefit on net gains (losses) realized |  | $ | (19) |  | $ | — |  | $ | (19) |  | $ | 2
Schedule Of Unrealized Loss On Investments | The following table reflects temporary impairment in the AFS portfolio, aggregated by investment category, length of time that individual securities have been in a continuous unrealized loss position and the number of securities in each category as of June 30, 2021 and December 31, 2020:
| June 30, 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. Government and Agency ‎ securities | $ | — |  | $ | — |  | — |  | $ | 5,870 |  | $ | (17) |  | 7 |  | $ | 5,870 |  | $ | (17) |  | 7
Municipal securities |  | 45,357 |  |  | (1,135) |  | 47 |  |  | 1,040 |  |  | (11) |  | 1 |  |  | 46,397 |  |  | (1,146) |  | 48
Corporate securities |  | 8,413 |  |  | (87) |  | 17 |  |  | 2,830 |  |  | (72) |  | 3 |  |  | 11,243 |  |  | (159) |  | 20
Agency mortgage-backed securities |  | 44,250 |  |  | (415) |  | 37 |  |  | 1,403 |  |  | (5) |  | 3 |  |  | 45,653 |  |  | (420) |  | 40
Private-label mortgage-backed securities |  | 8,239 |  |  | (60) |  | 6 |  |  | — |  |  | — |  | — |  |  | 8,239 |  |  | (60) |  | 6
Asset-backed securities |  | 4,518 |  |  | (27) |  | 5 |  |  | 6,983 |  |  | (56) |  | 10 |  |  | 11,501 |  |  | (83) |  | 15
Total temporarily impaired ‎ securities | $ | 110,777 |  | $ | (1,724) |  | 112 |  | $ | 18,126 |  | $ | (161) |  | 24 |  | $ | 128,903 |  | $ | (1,885) |  | 136
| December 31, 2020
| 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. Government and Agency ‎ securities | $ | 3,966 |  | $ | (21) |  | 5 |  | $ | 4,185 |  | $ | (19) |  | 11 |  | $ | 8,151 |  | $ | (40) |  | 16
Municipal securities |  | 27,022 |  |  | (219) |  | 28 |  |  | — |  |  | — |  | — |  |  | 27,022 |  |  | (219) |  | 28
Corporate securities |  | 7,576 |  |  | (37) |  | 13 |  |  | 3,040 |  |  | (118) |  | 4 |  |  | 10,616 |  |  | (155) |  | 17
Agency mortgage-backed securities |  | 18,390 |  |  | (101) |  | 17 |  |  | 3,355 |  |  | (6) |  | 5 |  |  | 21,745 |  |  | (107) |  | 22
Private-label mortgage-backed securities |  | 2,506 |  |  | (15) |  | 2 |  |  | — |  |  | — |  | — |  |  | 2,506 |  |  | (15) |  | 2
Asset-backed securities |  | 1,458 |  |  | (12) |  | 2 |  |  | 11,452 |  |  | (153) |  | 15 |  |  | 12,910 |  |  | (165) |  | 17
Total temporarily impaired ‎ securities | $ | 60,918 |  | $ | (405) |  | 67 |  | $ | 22,032 |  | $ | (296) |  | 35 |  | $ | 82,950 |  | $ | (701) |  | 102
Other Than Temporary Impairment, Credit Losses Recognized In Earnings |
|  | Six Months Ended
(Dollars in thousands) |  | June 30,
|  | 2021 |  | 2020
Balance of cumulative credit-related OTTI at January 1 |  | $ | 272 |  | $ | 272
Decreases for previously recognized credit losses on securities that paid off |  |  | (15) |  |  | —
Balance of credit-related OTTI at June 30 |  | $ | 257 |  | $ | 272

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