Condensed Consolidated Balance Sheets - Parenthetical - $ / shares	Sep. 30, 2020	Dec. 31, 2019
Common stock, shares authorized (shares)	426,000,000
Common stock, shares outstanding (shares)	75,502,448	70,805,034
Class A
Common stock, par value (USD per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (shares)	200,000,000	200,000,000
Common stock, shares issued (shares)	68,991,155	64,293,741
Common stock, shares outstanding (shares)	68,991,155	64,293,741
Class C
Common stock, par value (USD per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (shares)	200,000,000	200,000,000
Common stock, shares issued (shares)	6,511,293	6,511,293
Common stock, shares outstanding (shares)	6,511,293	6,511,293

Face amount or stated value per share of common stock.

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