Shareholders' Equity - Components of Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Accumulated Other Comprehensive Income (Loss) [Line Items] | |||
| Other Comprehensive (Loss) Income | $ (822) | $ (2,299) | $ 1,396 |
| Foreign Currency Translation Adjustments | |||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | |||
| Other Comprehensive (Loss) Income | 2,574 | 114 | (2,691) |
| Retirement Liability Adjustment | |||
| Accumulated Other Comprehensive Income (Loss) [Line Items] | |||
| Other Comprehensive (Loss) Income | (3,396) | (2,413) | 4,087 |
| Retirement Liability Adjustment | (3,396) | (3,054) | 5,174 |
| Tax Benefit (Expense) | $ 0 | $ 641 | $ (1,087) |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount before tax of other comprehensive income (loss) attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount after tax of other comprehensive income (loss) attributable to parent entity. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of tax expense (benefit) allocated to other comprehensive income (loss) attributable to parent entity. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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