v3.19.3

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - $ / shares	Sep. 30, 2019	Dec. 31, 2018
Class of Stock [Line Items]
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
Class of Stock [Line Items]
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)	346,552,092	323,546,864
Common stock, shares outstanding (in shares)	346,552,092	323,546,864
Class B
Class of Stock [Line Items]
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)	82,521,716	93,501,142
Common stock, shares outstanding (in shares)	82,521,716	93,501,142

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