Consolidated Balance Sheets (Parenthetical) - $ / shares	Sep. 30, 2020	Dec. 31, 2019
Treasury stock (in shares)	3,100,000	1,000,000
Class A Common Stock
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	1,300,000,000	1,300,000,000
Common stock, shares issued (in shares)	168,676,000	168,318,000
Common stock, shares outstanding (in shares)	165,576,000	167,318,000
Class B Common Stock
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	225,000,000	225,000,000
Common stock, shares issued (in shares)	85,790,000	85,790,000
Common stock, shares outstanding (in shares)	85,790,000	85,790,000