Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2019	Dec. 31, 2018
Common Class A and B
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Class A common stock
Common stock, authorized (in shares)	600,000,000	600,000,000
Common stock, issued (in shares)	84,549,511	20,868,286
Common stock, outstanding (in shares)	84,549,511	20,868,286
Class B common stock
Common stock, authorized (in shares)	600,000,000	600,000,000
Common stock, issued (in shares)	36,486,778	88,552,897
Common stock, outstanding (in shares)	36,486,778	88,552,897

Face amount or stated value per share of common stock.

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