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Accumulated Other Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2022
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 months ended March 31, 2022 and 2021.
|  | Unrealized |  |  |  |
|  | gains and |  | 2022
|  | (Losses) on available- for-sale |  | Retirement |  |
(Dollar amounts in thousands) |  | Securities |  | plans |  | Total
Beginning balance, January 1, |  | $ | 15,674 |  |  | $ | (18,100) |  |  | $ | (2,426) |
Change in other comprehensive income (loss) before reclassification |  | (68,910) |  |  | — |  |  | (68,910) |
Amounts reclassified from accumulated other comprehensive income |  | (4) |  |  | 315 |  |  | 311 |
Net current period other comprehensive income (loss) |  | (68,914) |  |  | 315 |  |  | (68,599) |
Ending balance, March 31, |  | $ | (53,240) |  |  | $ | (17,785) |  |  | $ | (71,025) |
|  | Unrealized |  |  |  |
|  | gains and |  | 2021
|  | (Losses) on available- for-sale |  | Retirement |  |
(Dollar amounts in thousands) |  | Securities |  | plans |  | Total
Beginning balance, January 1, |  | $ | 34,162 |  |  | $ | (24,398) |  |  | $ | 9,764 |
Change in other comprehensive income (loss) before reclassification |  | (11,182) |  |  | — |  |  | (11,182) |
Amounts reclassified from accumulated other comprehensive income |  | 114 |  |  | 472 |  |  | 586 |
Net current period other comprehensive income (loss) |  | (11,068) |  |  | 472 |  |  | (10,596) |
Ending balance, March 31, |  | $ | 23,094 |  |  | $ | (23,926) |  |  | $ | (832) |
Schedule Of Accumulated Other Comprehensive Income Loss Other Than Temporary Impairment |
|  | Balance at |  | Current Period |  |  |  | Balance at
(Dollar amounts in thousands) |  | 1/1/2021 |  | Change |  |  |  | 3/31/2021
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |  |  |
without other than temporary impairment |  | $ | 31,810 |  |  | $ | (11,212) |  |  |  |  | $ | 20,598 |
Unrealized gains (losses) on securities available-for-sale |  |  |  |  |  |  |  |
with other than temporary impairment |  | 2,352 |  |  | 144 |  |  |  |  | 2,496 |
Total unrealized gain (loss) on securities available-for-sale |  | $ | 34,162 |  |  | $ | (11,068) |  |  |  |  | $ | 23,094 |
Unrealized loss on retirement plans |  | (24,398) |  |  | 472 |  |  |  |  | (23,926) |
TOTAL |  | $ | 9,764 |  |  | $ | (10,596) |  |  |  |  | $ | (832) |
Accumulated Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent |
|  | Three Months Ended March 31, 2022 |  |
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 |  | $ | (420) |  |  | (a) Salary and benefits
retirement plan items |  | 105 |  |  | Income tax expense
|  | $ | (315) |  |  | Net of tax
Total reclassifications for the period |  | $ | (311) |  |  | Net of tax
(a) Included in the computation of net periodic benefit cost. (see Footnote 6 for additional details).
|  | Three Months Ended March 31, 2021 |  |
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 |  | $ | (152) |  |  | Net securities gains (losses)
on available-for-sale |  | 38 |  |  | Income tax expense
securities |  | $ | (114) |  |  | Net of tax
Amortization of |  | $ | (518) |  |  | (a) Salary and benefits
retirement plan items |  | 46 |  |  | Income tax expense
|  | $ | (472) |  |  | Net of tax
Total reclassifications for the period |  | $ | (586) |  |  | Net of tax
(a) Included in the computation of net periodic benefit cost. (see Footnote 6 for additional details).

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