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Investments (Tables) | 6 Months Ended
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Jun. 30, 2020
Investments [Abstract] |
Unrealized Gain (Loss) On Investments |
(Dollars in thousands) |  |  |  |  | Gross |  | Gross |  |  |
|  | Amortized |  | unrealized |  | unrealized |  | Fair
June 30, 2020 |  | cost |  | gains |  | losses |  | value
U.S. Government and Agency securities |  | $ | 12,240 |  | $ | 41 |  | $ | (65) |  | $ | 12,216
Municipal securities |  |  | 168,929 |  |  | 6,463 |  |  | (177) |  |  | 175,215
Trust preferred and Corporate securities |  |  | 5,258 |  |  | — |  |  | (411) |  |  | 4,847
Agency mortgage-backed securities |  |  | 63,800 |  |  | 1,925 |  |  | (59) |  |  | 65,666
Private-label mortgage-backed securities |  |  | 4,223 |  |  | 18 |  |  | (33) |  |  | 4,208
Asset-backed securities |  |  | 24,872 |  |  | 42 |  |  | (849) |  |  | 24,065
|  | $ | 279,322 |  | $ | 8,489 |  | $ | (1,594) |  | $ | 286,217
(Dollars in thousands) |  |  |  |  | Gross |  | Gross |  |  |
|  | Amortized |  | unrealized |  | unrealized |  | Fair
December 31, 2019 |  | cost |  | gains |  | losses |  | value
U.S. Government and Agency securities |  | $ | 8,418 |  | $ | 30 |  | $ | (20) |  | $ | 8,428
Municipal securities |  |  | 90,865 |  |  | 1,418 |  |  | (997) |  |  | 91,286
Trust preferred and Corporate securities |  |  | 4,097 |  |  | — |  |  | (130) |  |  | 3,967
Agency mortgage-backed securities |  |  | 58,503 |  |  | 435 |  |  | (234) |  |  | 58,704
Private-label mortgage-backed securities |  |  | 398 |  |  | 31 |  |  | — |  |  | 429
Asset-backed securities |  |  | 24,918 |  |  | 6 |  |  | (305) |  |  | 24,619
|  | $ | 187,199 |  | $ | 1,920 |  | $ | (1,686) |  | $ | 187,433
Amortized Cost And Fair Value Of Debt Securities, By Contractual Maturity |
(Dollars in thousands) |  | Amortized ‎cost |  | Fair ‎value
Due in one year or less |  | $ | 8,777 |  | $ | 8,829
Due after one year through five years |  |  | 21,363 |  |  | 21,739
Due after five years through ten years |  |  | 117,891 |  |  | 122,307
Due after ten years |  |  | 38,396 |  |  | 39,403
|  |  | 186,427 |  |  | 192,278
Mortgage-backed and asset-backed securities |  |  | 92,895 |  |  | 93,939
|  | $ | 279,322 |  | $ | 286,217
Composition Of Net Realized Securities Gains |
|  | For the Three Months Ended |  | For the Six Months Ended
|  | June 30, |  | June 30,
(Dollars in thousands) |  | 2020 |  | 2019 |  | 2020 |  | 2019
Proceeds |  | $ | — |  | $ | 14,906 |  | $ | 165 |  | $ | 18,781
Gross gains realized |  |  | — |  |  | 248 |  |  | — |  |  | 281
Gross losses realized |  |  | — |  |  | (19) |  |  | (10) |  |  | (28)
Net gains (losses) realized |  | $ | — |  | $ | 229 |  | $ | (10) |  | $ | 253
Tax (provision) benefit on net gains (losses) realized |  | $ | — |  | $ | (48) |  | $ | 2 |  | $ | (53)
Schedule Of Unrealized Loss On Investments |
| June 30, 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 | $ | 6,792 |  | $ | (47) |  | 9 |  | $ | 1,983 |  | $ | (18) |  | 8 |  | $ | 8,775 |  | $ | (65) |  | 17
Municipal securities |  | 20,183 |  |  | (150) |  | 19 |  |  | 773 |  |  | (27) |  | 1 |  |  | 20,956 |  |  | (177) |  | 20
Trust preferred and Corporate securities |  | 865 |  |  | (95) |  | 1 |  |  | 2,832 |  |  | (316) |  | 4 |  |  | 3,697 |  |  | (411) |  | 5
Agency mortgage-backed securities |  | 11,872 |  |  | (47) |  | 12 |  |  | 2,759 |  |  | (12) |  | 4 |  |  | 14,631 |  |  | (59) |  | 16
Private-label mortgage-backed securities |  | 3,881 |  |  | (33) |  | 1 |  |  | — |  |  | — |  | — |  |  | 3,881 |  |  | (33) |  | 1
Asset-backed securities |  | 14,113 |  |  | (529) |  | 15 |  |  | 7,335 |  |  | (320) |  | 11 |  |  | 21,448 |  |  | (849) |  | 26
Total temporarily impaired ‎ securities | $ | 57,706 |  | $ | (901) |  | 57 |  | $ | 15,682 |  | $ | (693) |  | 28 |  | $ | 73,388 |  | $ | (1,594) |  | 85
| December 31, 2019
| 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 | $ | 2,559 |  | $ | (12) |  | 6 |  | $ | 1,335 |  | $ | (8) |  | 7 |  | $ | 3,894 |  | $ | (20) |  | 13
Municipal securities |  | 38,874 |  |  | (966) |  | 40 |  |  | 2,655 |  |  | (31) |  | 4 |  |  | 41,529 |  |  | (997) |  | 44
Trust preferred and Corporate securities |  | — |  |  | — |  | — |  |  | 3,967 |  |  | (130) |  | 5 |  |  | 3,967 |  |  | (130) |  | 5
Agency mortgage-backed securities |  | 21,185 |  |  | (185) |  | 32 |  |  | 6,555 |  |  | (49) |  | 22 |  |  | 27,740 |  |  | (234) |  | 54
Asset-backed securities |  | 17,644 |  |  | (128) |  | 19 |  |  | 5,669 |  |  | (177) |  | 9 |  |  | 23,313 |  |  | (305) |  | 28
Total temporarily impaired ‎ securities | $ | 80,262 |  | $ | (1,291) |  | 97 |  | $ | 20,181 |  | $ | (395) |  | 47 |  | $ | 100,443 |  | $ | (1,686) |  | 144
Other Than Temporary Impairment, Credit Losses Recognized In Earnings |
|  | Six Months Ended
(Dollars in thousands) |  | June 30,
|  | 2020 |  | 2019
Balance of cumulative credit-related OTTI at January 1 |  | $ | 272 |  | $ | 272
Additions for credit-related OTTI not previously recognized |  |  | — |  |  | —
Additional increases for credit-related OTTI previously recognized when there is |  |  |  |  |  |
no intent to sell and no requirement to sell before recovery of amortized cost basis |  |  | — |  |  | —
Decreases for previously recognized credit-related OTTI because there was an intent to sell |  |  | — |  |  | —
Reduction for increases in cash flows expected to be collected |  |  | — |  |  | —
Balance of credit-related OTTI at June 30 |  | $ | 272 |  | $ | 272

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