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Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Income Tax Disclosure [Abstract] |  |  |
Income (loss) before income taxes, equity in non-consolidated affiliates and noncontrolling interest | $ (88,402) | $ 20,867 | $ (88,669)
Tax expense (benefit) using U.S. statutory income tax rate | (18,564) | 4,382 | (18,621)
State and foreign taxes | (3,486) | 1,496 | (3,944)
Non-deductible stock-based compensation | 1,162 | 3,823 | 1,512
Global intangible low-taxed income | 1,363 | 1,147 | 710
Base erosion and anti-abuse tax | 4,697 | 2,504 | 389
Other non-deductible expense | 1,043 | 273 | 1,388
Change to valuation allowance | 128,938 | (2,830) | 49,482
Effect of the difference in U.S. federal and local statutory rates | 67 | 1,422 | (152)
Noncontrolling interests | (4,649) | (3,566) | (2,674)
Impact of foreign operations | 1,160 | 2,724 | 612
Impact of goodwill impairments | 10,158 | 436 | 8,703
Adjustments to accrued taxes in previous periods | 4,641 | (3,544) | 1,192
Adjustment to deferred tax balances | (9,999) | 1,920 | (8,845)
Other, net | 24 | 129 | (137)
Income tax provision (benefit) | $ 116,555 | $ 10,316 | $ 29,615
Effective income tax rate | (131.80%) | 49.40% | (33.40%)

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- Definition Amount of other deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. For example, but not limited to, acquisition-date income tax benefits or expenses recognized from changes in the acquirer's valuation allowance for its previously existing deferred tax assets resulting from a business combination and adjustments to beginning-of-year balance of a valuation allowance because of a change in circumstance causing a change in judgment about the realizability of the related deferred tax asset in future periods. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 6.I.7) -URI http://asc.fasb.org/extlink&oid=116825942&loc=d3e330036-122817 + Details
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