Consolidated Balance Sheets (Parenthetical) - $ / shares	Jun. 30, 2020	Dec. 31, 2019
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	158,105	0
Preferred stock, shares outstanding (in shares)	158,105	0
Class A Common Stock
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	210,000,000	210,000,000
Common stock, shares issued (in shares)	30,664,560	40,816,292
Common stock, shares outstanding (in shares)	30,664,560	40,816,292
Class B Common Stock
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	35,000,000	35,000,000
Common stock, shares issued (in shares)	28,508,750	31,563,799
Common stock, shares outstanding (in shares)	28,508,750	31,563,799

Face amount or stated value per share of common stock.

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