Consolidated Balance Sheets (Parenthetical) - $ / shares shares in Thousands	Dec. 31, 2019	Dec. 31, 2018
Class A Common Stock
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	210,000	210,000
Common stock, shares issued	22,494	9,731
Common stock, shares outstanding	22,494	9,731
Class B Common Stock
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	90,000	90,000
Common stock, shares issued	31,394	44,071
Common stock, shares outstanding	31,394	44,071