CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2019	Dec. 31, 2018
Preferred stock, par value (in USD per share)	$ 0.0000001	$ 0.0000001
Preferred stock, shares authorized (in shares)	100,000,000	100,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Class A
Common stock, par value (in USD per share)	$ 0.0000001	$ 0.0000001
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, shares issued (in shares)		323,546,864
Common stock, shares outstanding (in shares)	352,386,562	323,546,864
Class B
Common stock, par value (in USD per share)	$ 0.0000001	$ 0.0000001
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)		93,501,142
Common stock, shares outstanding (in shares)	80,410,158	93,501,142