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Income Taxes - Reconciliation of Statutory Rate (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]      
Statutory rate 21.00% 21.00% 21.00%
State taxes, net of federal benefit (0.50%) (0.80%) 3.00%
Effect of rates different than statutory (2.10%) (4.30%) (2.00%)
Minority interest 0.20% 0.20% (1.00%)
Non-deductible Bad Debt (2.90%) 0.00% 0.00%
Stock based compensation (6.10%) (2.50%) (2.00%)
Foreign Basis Differences 9.80% 0.00% 0.00%
Other permanent differences (0.90%) (0.30%) 0.00%
Research and development credit 6.50% 0.50% 0.00%
Change in valuation allowance (3.20%) 6.70% (17.00%)
Uncertain tax positions (0.70%) 0.60% 1.00%
Other 1.10% (1.20%) 1.00%
Acquisitions and foreign tax residency changes 0.00% 0.00% 3.00%
Investment in JV 0.00% (1.70%) 0.00%
Global Intangible Low-Taxed Income 3.90% (3.30%) 0.00%
Base Erosion Anti-Abuse Tax and Related Elections 0.90% (17.00%) 0.00%
NOL Carryback and Other Refund Claims 45.40% 0.00% 0.00%
Effective tax rate 72.40% (2.10%) 7.00%