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Income Taxes - Schedule of Effective Income Tax Reconciliation (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]                      
Expected income tax expense (benefit) at statutory rate                 $ (22,194) $ (26,563) $ (15,010)
Differences between expected and actual income tax expense:                      
CARES Act                 (63,954) 0 0
Provision for (reversal of) valuation allowance on deferred tax assets                 27,880 32,470 (23,347)
Provision for (reversal of) liability for uncertain tax positions                 (2,033) 4,198 (3,987)
Other provision to return differences                 (3,347) 1,242 (6,559)
Foreign tax differential including effectively connected income                 (2,511) 15,979 22,990
State tax, after Federal tax benefit                 (1,700) (784) 675
Executive compensation disallowance                 594 1,344 959
Excess tax benefits from share-based compensation                 424 381 (356)
Other permanent differences                 382 66 122
Foreign tax credit (generation) utilization                 (13) 263 (25,601)
Revaluation of deferred tax assets related to legal entity mergers                 (2) (25,509) 0
U.S. Tax Reform - Global Intangible Low-Taxed Income (GILTI) inclusion                 182 11,859 0
U.S. Tax Reform - Change in Federal rate                 0 0 (10,666)
U.S. Tax Reform - Transition Tax                 0 0 14,412
U.S. Tax Reform - BEAT Tax                 0 (555) 1,076
Reduction in tax attributes for Section 382 & 383 limitations                 0 0 55,668
Bargain purchase gain disallowance                 0 80 (13,448)
Subpart F income                 0 0 3,222
Other                 786 1,163 379
Total $ 6,414 $ (1,954) $ (8,110) $ (61,856) $ 2,370 $ 4,450 $ 5,404 $ 3,410 $ (65,506) $ 15,634 $ 529