Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation of Effective Income Tax Rate (Details)

v3.10.0.1
Income Taxes - Reconciliation of Effective Income Tax Rate (Details)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]      
U.S. federal statutory tax rate 21.00% 35.00% 35.00%
Non-controlling interest (11.40%) 2.90% (2.10%)
State tax rate (0.40%) (0.20%) 1.80%
U.S. tax reform rate change 0.00% 71.40% 0.00%
Share-based compensation (0.50%) (6.20%) 0.00%
Nondeductible interest expense 2.60% 8.50% (6.60%)
Foreign earnings taxed in the U.S. 1.40% 0.00% 0.00%
Foreign rate differential (1.10%) (0.70%) (1.20%)
Other 0.40% (0.50%) 0.30%
Valuation allowance (9.80%) (109.70%) (27.50%)
Effective tax rate 2.20% 0.50% (0.30%)