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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Operating Loss and Tax Credit Carryforwards [Line Items] |  |
Effective income tax rate | (0.80%) | 11.70%
Income tax expense (benefit) | $ 642 | $ (12,881)
Valuation allowance | 31,079 | 25,349
Domestic operating loss carryforwards | 243,600 |
State operating loss carryforwards | 10,100 |
Operating loss carryforward subject to expiration | 14,900 |
Operating loss carryforwards not subject to expiration | 238,800 |
Foreign operating loss carryforwards | 186,900 |
Unrecognized tax benefits | 8,358 | 12,382
Decrease in unrecognized tax benefits is reasonably possible | 1,600 |
Unrecognized tax benefits that would impact effective tax rate | 8,400 |
Accrued interest and penalties | $ 500 | 1,400
U.S. Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”) |  |
Operating Loss and Tax Credit Carryforwards [Line Items] |  |
Income tax expense (benefit) |  | (16,000)
U.S. |  |
Operating Loss and Tax Credit Carryforwards [Line Items] |  |
Valuation allowance |  | 15,600
Non-US |  |
Operating Loss and Tax Credit Carryforwards [Line Items] |  |
Valuation allowance |  | $ 15,500

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32632-109319 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32621-109319 + Details
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