Annual report pursuant to Section 13 and 15(d)

Income Tax - Reconciliation of Effective Tax Rate (Details)

v3.10.0.1
Income Tax - Reconciliation of Effective Tax Rate (Details)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]      
Federal statutory income tax rate 21.00% 35.00% 35.00%
Share based compensation (1.00%) (8.00%) (373.00%)
Equity method investments (11.00%) (83.00%) (847.00%)
Other 2.00% 6.00% 9.00%
Valuation allowance 2.00% 49.00% 1176.00%
TCJA rate revaluation adjustment 0.00% 1.00% 0.00%
Effective tax rate 13.00% 0.00% 0.00%