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Income Taxes (Narrative) (Details) - USD ($) $ in Thousands | 12 Months Ended | 36 Months Ended
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2017
Effective income tax rate | 19.70% | (21.10%) | 23.60% |
Interest expense related to uncertain tax positions | $ 180 | $ 554 | $ 1,853 |
Interest on income taxes accrued | 356 | 2,185 |  |
Lapsing of statutes of limitations | $ 6,833 | $ 3,186 | $ 209 |
Statutory U.S. federal income tax rate | 21.00% | 21.00% | 21.00% | 35.00%
Income tax expense/(benefit) from tax rate change | $ (14,431) | $ (110,765) |  |
Deferment of employer-paid social security taxes |  | 70,812 |  |
CARES Act, employee retention credits | 11,445 | 3,403 |  |
Foreign Tax Authority [Member] |  |  |  |
Gross NOLS | 108,324 | 98,710 |  |
Valuation allowances of deferred tax assets | 119,741 | 104,820 |  |
State and Local Jurisdiction [Member] |  |  |  |
Gross NOLS | 50,467 | $ 340,259 |  |
Domestic Tax Authority [Member] |  |  |  |
Lapsing of statutes of limitations | $ 826 |  |  |

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- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 6.I.Fact.4) -URI http://asc.fasb.org/extlink&oid=122134291&loc=d3e330036-122817 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(h)(2)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32687-109319 + Details
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