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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Income Tax Contingency [Line Items] |  |
Deferred Tax Assets, Foreign Operating And Foreign Capital Loss Carryforwards, Foreign And State Credits | $ 14,965 | $ 13,375
Deferred Tax Assets, Valuation Allowance | 12,548 | $ 13,152
Valuation Allowance Adjustment | 1,000 |
Temporary Differences Related To Investments in Foreign Subsidiaries Considered Permanent | 163,000 |
Foreign Currency Translation Deferred | $ 2,000 |
Minimum [Member] |  |
Income Tax Contingency [Line Items] |  |
Foreign and United States jurisdictions, period of statutes of limitations, years | 3 years |
Maximum [Member] |  |
Income Tax Contingency [Line Items] |  |
Foreign and United States jurisdictions, period of statutes of limitations, years | 5 years |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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