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Accumulated Other Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2020
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule of Accumulated Other Comprehensive Income | The following tables summarize the changes, net of tax, within each classification of accumulated other comprehensive income/(loss) for the three and nine months ended September 30, 2020 and 2019.
|  | Unrealized |  |  |  |
|  | gains and |  | 2020
|  | (Losses) on available- for-sale |  | Retirement |  |
(Dollar amounts in thousands) |  | Securities |  | plans |  | Total
Beginning balance, July 1, |  | $ | 31,121 |  |  | $ | (21,606) |  |  | $ | 9,515 |
Change in other comprehensive income (loss) before reclassification |  | 2,227 |  |  | — |  |  | 2,227 |
Amounts reclassified from accumulated other comprehensive income |  | (4) |  |  | 383 |  |  | 379 |
Net current period other comprehensive income (loss) |  | 2,223 |  |  | 383 |  |  | 2,606 |
Ending balance, September 30, |  | $ | 33,344 |  |  | $ | (21,223) |  |  | $ | 12,121 |
|  | Unrealized |  |  |  |
|  | gains and |  | 2020
|  | (Losses) on available- for-sale |  | Retirement |  |
(Dollar amounts in thousands) |  | Securities |  | plans |  | Total
Beginning balance, January 1, |  | $ | 14,893 |  |  | $ | (22,394) |  |  | $ | (7,501) |
Change in other comprehensive income (loss) before reclassification |  | 18,624 |  |  | — |  |  | 18,624 |
Amounts reclassified from accumulated other comprehensive income |  | (173) |  |  | 1,171 |  |  | 998 |
Net current period other comprehensive loss |  | — |  |  | — |  |  | — |
Net current period other comprehensive income (loss) |  | 18,451 |  |  | 1,171 |  |  | 19,622 |
Ending balance, September 30, |  | $ | 33,344 |  |  | $ | (21,223) |  |  | $ | 12,121 |
|  | Unrealized |  |  |  |
|  | gains and |  | 2019
|  | (Losses) on available- for-sale |  | Retirement |  |
(Dollar amounts in thousands) |  | Securities |  | plans |  | Total
Beginning balance, July 1, |  | $ | 12,460 |  |  | $ | (16,742) |  |  | $ | (4,282) |
Change in other comprehensive income (loss) before reclassification |  | 4,128 |  |  | — |  |  | 4,128 |
Amounts reclassified from accumulated other comprehensive income |  | (4) |  |  | 303 |  |  | 299 |
Net current period other comprehensive income (loss) |  | 4,124 |  |  | 303 |  |  | 4,427 |
Ending balance, September 30, |  | $ | 16,584 |  |  | $ | (16,439) |  |  | $ | 145 |
Schedule Of Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment |
|  | Balance at |  | Current Period |  | Balance at
(Dollar amounts in thousands) |  | 1/1/2020 |  | Change |  | 9/30/2020
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |
without other than temporary impairment |  | $ | 12,178 |  |  | $ | 18,889 |  |  | $ | 31,067 |
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |
with other than temporary impairment |  | 2,715 |  |  | (438) |  |  | 2,277 |
Total unrealized gain (loss) on securities available-for-sale |  | $ | 14,893 |  |  | $ | 18,451 |  |  | $ | 33,344 |
Unrealized loss on retirement plans |  | (22,394) |  |  | 1,171 |  |  | (21,223) |
TOTAL |  | $ | (7,501) |  |  | $ | 19,622 |  |  | $ | 12,121 |
|  | Balance at |  | Current Period |  |  |  | Balance at
(Dollar amounts in thousands) |  | 7/1/2019 |  | Change |  |  |  | 9/30/2019
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |  |  |
without other than temporary impairment |  | $ | 9,998 |  |  | $ | 3,888 |  |  |  |  | $ | 13,886 |
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |  |  |
with other than temporary impairment |  | 2,462 |  |  | 236 |  |  |  |  | 2,698 |
Total unrealized gain (loss) on securities available-for-sale |  | $ | 12,460 |  |  | $ | 4,124 |  |  |  |  | $ | 16,584 |
Unrealized loss on retirement plans |  | (16,742) |  |  | 303 |  |  |  |  | (16,439) |
TOTAL |  | $ | (4,282) |  |  | $ | 4,427 |  |  |  |  | $ | 145 |
|  | Balance at |  | Current Period |  |  |  | Balance at
(Dollar amounts in thousands) |  | 1/1/2019 |  | Change |  |  |  | 9/30/2019
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |  |  |
without other than temporary impairment |  | $ | (8,446) |  |  | $ | 22,332 |  |  |  |  | $ | 13,886 |
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |  |  |
with other than temporary impairment |  | 2,341 |  |  | 357 |  |  |  |  | 2,698 |
Total unrealized income (loss) on securities available-for-sale |  | $ | (6,105) |  |  | $ | 22,689 |  |  |  |  | $ | 16,584 |
Unrealized gain (loss) on retirement plans |  | (17,349) |  |  | 910 |  |  |  |  | (16,439) |
TOTAL |  | $ | (23,454) |  |  | $ | 23,599 |  |  |  |  | $ | 145 |
Accumulated Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent |
|  | Three Months Ended September 30, 2020 |  |
Details about accumulated |  | Amount reclassified from |  | Affected line item in
other comprehensive |  | accumulated other |  | the statement where
income components |  | comprehensive income |  | net income is presented
|  | (in thousands) |  |
Unrealized gains and losses |  | $ | 5 |  |  | Net securities gains (losses)
on available-for-sale |  | (1) |  |  | Income tax expense
securities |  | $ | 4 |  |  | Net of tax
Amortization of |  | $ | (492) |  |  | (a) Salary and benefits
retirement plan items |  | 109 |  |  | Income tax expense
|  | $ | (383) |  |  | Net of tax
Total reclassifications for the period |  | $ | (379) |  |  | Net of tax
(a) Included in the computation of net periodic benefit cost. (see Footnote 6 for additional details).
|  | Nine Months Ended September 30, 2020 |  |
Details about accumulated |  | Amount reclassified from |  | Affected line item in
other comprehensive |  | accumulated other |  | the statement where
income components |  | comprehensive income |  | net income is presented
|  | (in thousands) |  |
Unrealized gains and losses |  | $ | 230 |  |  | Net securities gains (losses)
on available-for-sale |  | (57) |  |  | Income tax expense
securities |  | $ | 173 |  |  | Net of tax
Amortization of |  | $ | (1,476) |  |  | (a) Salary and benefits
retirement plan items |  | 305 |  |  | Income tax expense
|  | $ | (1,171) |  |  | Net of tax
Total reclassifications for the period |  | $ | (998) |  |  | Net of tax
(a) Included in the computation of net periodic benefit cost. (see Footnote 6 for additional details).
|  | Three Months Ended September 30, 2019 |  |
Details about accumulated |  | Amount reclassified from |  | Affected line item in
other comprehensive |  | accumulated other |  | the statement where
income components |  | comprehensive income |  | net income is presented
|  | (in thousands) |  |
Unrealized gains and losses |  | $ | 6 |  |  | Net securities gains (losses)
on available-for-sale |  | (2) |  |  | Income tax expense
securities |  | $ | 4 |  |  | Net of tax
Amortization of |  | $ | (389) |  |  | (a) Salary and benefits
retirement plan items |  | 86 |  |  | Income tax expense
|  | $ | (303) |  |  | Net of tax
Total reclassifications for the period |  | $ | (299) |  |  | Net of tax
(a) Included in the computation of net periodic benefit cost. (see Footnote 6 for additional details).

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