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Summary of Significant Accounting Policies (Schedule of Accumulated Other Comprehensive Income (loss)) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Other comprehensive income (loss) | $ 87,896 | $ 65,898 | $ 1,909 |
Equity | 180,968 | 155,653 | 201,762 | $ 184,722
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax | (109) | (422) | 1,400 |
Unrealized foreign currency translation adjustment ($0 tax in 2024, net of tax expense of $469 in 2023 and net of tax expense of $290 in 2022) | (295) | 3,042 | (287) |
Net gains (losses) and prior service costs (net of tax expense of $109 in 2024, net of tax expense of $422 in 2023 and net of tax benefit of $1,400 in 2022) | 397 | 1,513 | (5,064) |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax | (601) |  |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax | (31) | 1,968 | 2,965 |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax | 88,437 | 0 | 0 |
Amortization of prior service costs and net gains or losses (net of tax benefit of $31 in 2024, net of tax expense of $1,968 in 2023 and net of tax expense of $2,965 in 2022) | (110) | 7,065 | 10,641 |
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax | 88,142 | 3,042 | (287) |
Equity | 5,105 | (83,037) | (86,079) | (85,792)
Other Comprehensive Income (Loss), before Reclassifications, before Tax | (295) | 3,511 | 3 |
OCI, Foreign Currency Transaction and Translation Gain (Loss), Arising During Period, Tax | 0 | (469) | (290) |
Unrealized foreign currency translation adjustment ($0 tax in 2024, net of tax expense of $469 in 2023 and net of tax expense of $290 in 2022) | (295) | 3,042 | (287) |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax | 89,038 | 0 | 0 |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Tax | (601) | 0 | 0 |
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax | 88,437 | 0 | 0 |
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Equity | 268 | 801 | (2,480) | 901
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Before reclassification, beforeTax | 240 | 11,794 | (1,256) |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Before reclassification, Tax | (72) | (2,977) | (374) |
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Before reclassification, afterTax | 168 | 8,817 | (1,630) |
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | (1,881) | (7,580) | (2,461) |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Income Tax (Expense) Benefit, Tax | 1,180 |  |  |
Reclassification from AOCI, Current Period, Tax |  | 2,044 | 710 |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | (701) | (5,536) | (1,751) |
Other Comprehensive Income (Loss), Derivatives, Net of Tax | (533) |  |  |
Derivative financial instruments adjustment (net of tax expense of $85 in 2024, net of tax expense of $933 in 2023 and net of tax benefit of $336 in 2022) |  | 3,281 | (3,381) |
Pension And Other Postretirement Benefit Adjust |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Equity | 826 | 539 | (59,036) | (64,613)
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, before Tax | 506 | 1,935 | (6,464) |
Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax | (109) | (422) | 1,400 |
Net gains (losses) and prior service costs (net of tax expense of $109 in 2024, net of tax expense of $422 in 2023 and net of tax benefit of $1,400 in 2022) | 397 | 1,513 | (5,064) |
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax | (141) | 101,323 | 13,606 |
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI Including Earnings Of Actuarial Loss For Pension Settlement, Tax | 31 |  |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Tax |  | (43,261) | 2,965 |
Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, Including Earnings Of Actuarial Loss For Pension Settlement, after Tax | (110) |  |  |
Amortization of prior service costs and net gains or losses (net of tax benefit of $31 in 2024, net of tax expense of $1,968 in 2023 and net of tax expense of $2,965 in 2022) |  | 58,062 | 10,641 |
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax | 287 | 59,575 | 5,577 |
Accumulated Other Comprehensive Income (Loss) |  |  |  |
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward] |  |  |  |
Beginning balance | (81,697) | (147,595) | (149,504) |
Other Comprehensive Income (Loss), before Reclassifications, Net of Tax | 270 | 13,372 | (6,981) |
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax | (87,626) | (52,526) | (8,890) |
Other comprehensive income (loss) | 87,896 | 65,898 | 1,909 |
Equity | 6,199 | (81,697) | (147,595) | $ (149,504)
Other Comprehensive Income (Loss), before Reclassifications, before Tax | 451 | 17,240 | (7,717) |
Other Comprehensive Income (Loss) before Reclassifications, Tax | (181) | (3,868) | 736 |
Net gains (losses) and prior service costs (net of tax expense of $109 in 2024, net of tax expense of $422 in 2023 and net of tax benefit of $1,400 in 2022) |  | 1,513 | (5,064) |
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax | 87,016 | 93,743 | 11,145 |
Other Comprehensive Income (Loss) Reclassifications, Tax | 610 | (41,217) | (2,255) |
Amortization of prior service costs and net gains or losses (net of tax benefit of $31 in 2024, net of tax expense of $1,968 in 2023 and net of tax expense of $2,965 in 2022) | (110) | 7,065 | 10,641 |
Ending balance | $ 6,199 | $ (81,697) | $ (147,595) |

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