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Change in Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2020
Accumulated Other Comprehensive Income Loss Net Of Tax [Abstract] |
Changes To Accumulated Other Comprehensive Income (Loss) By Components | Changes to accumulated other comprehensive income (loss) by components are shown in the following tables for the years ended December 31, 2020 and 2019:
|  | Twelve Months Ended |
|  | December 31, |
|  | 2020 |  |  | 2019 |
|  | Unrealized Gains and Losses on Available for Sale Securities |  |  |  | Change in Benefit Obligations and Plan Assets for the Post Retirement Benefit Plan |  |  | Total |  |  | Unrealized Gains and Losses on Available for Sale Securities |  |  |  | Change in Benefit Obligations and Plan Assets for the Post Retirement Benefit Plan |  |  | Total |
|  | (dollars in thousands) |  |  | (dollars in thousands) |
January 1 |  | $ | 1,438 |  |  |  | $ | 44 |  |  | $ | 1,482 |  |  | $ | (1,597 | ) |  |  | $ | 44 |  |  | $ | (1,553 | )
Other comprehensive income (loss) before reclassifications |  |  | 2,993 |  |  |  |  | (33 | ) |  |  | 2,960 |  |  |  | 3,835 |  |  |  |  | — |  |  |  | 3,835 |
Reclassifications from other comprehensive income (loss) |  |  | (687 | ) |  |  |  | 3 |  |  |  | (684 | ) |  |  | 7 |  |  |  |  | — |  |  |  | 7 |
Tax effect of current period changes |  |  | (484 | ) |  |  |  | 5 |  |  |  | (479 | ) |  |  | (807 | ) |  |  |  | — |  |  |  | (807 | )
Current period changes net of taxes |  |  | 1,822 |  |  |  |  | (25 | ) |  |  | 1,797 |  |  |  | 3,035 |  |  |  |  | — |  |  |  | 3,035 |
December 31 |  | $ | 3,260 |  |  |  | $ | 19 |  |  | $ | 3,279 |  |  | $ | 1,438 |  |  |  | $ | 44 |  |  | $ | 1,482 |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=121641772&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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