CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Mar. 31, 2019
Dec. 31, 2018
Preferred stock, par value (USD per share) $ 0.0001 $ 0.0001
Preferred stock, shares authorized (shares) 1,000,000 1,000,000
Common stock, par value (USD per share) $ 0.0001 $ 0.0001
Common stock, shares authorized (shares) 620,000,000 620,000,000
Series A Preferred Stock    
Preferred stock, shares issued (shares) 1 1
Preferred stock, shares outstanding (shares) 1 1
Class A    
Common stock, shares issued (shares) 266,271,298 265,859,273
Common stock, shares outstanding (shares) 264,416,875 264,323,328
Convertible Class C    
Common stock, shares issued (shares) 12,003,183 12,003,183
Common stock, shares outstanding (shares) 12,003,183 12,003,183