Annual report pursuant to Section 13 and 15(d)

Income Tax - Reconciliation of Effective Tax Rate (Details)

v3.19.3.a.u2
Income Tax - Reconciliation of Effective Tax Rate (Details)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]      
Federal statutory income tax rate 21.00% 21.00% 35.00%
Changes in rate resulting from:      
Share based compensation 2.00% (1.00%) (8.00%)
Equity method investments (2.00%) (11.00%) (83.00%)
Other (1.00%) 2.00% 6.00%
Valuation allowance (15.00%) 2.00% 49.00%
TCJA rate revaluation adjustment 0.00% 0.00% 1.00%
Effective tax rate 5.00% 13.00% 0.00%