Earnings Per Share - Schedule of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Numerator [Abstract]
Net income	$ 5,844	$ 20,427	$ 74,589	$ 66,845
Less: Net income attributable to participating securities	(4)	(10)	(4)	(10)
Net income attributable to Class A and Class B common stockholders	$ 5,840	$ 20,417	$ 74,585	$ 66,835
Denominator [Abstract]
Denominator for basic net income per share - weighted average shares (in shares)	289,318,391	286,075,323	287,063,892	286,024,263
Effect of dilutive securities (in shares)	10,316,570	3,554,232	10,187,457	8,562,091
Denominator for dilutive net income per share (in shares)	299,634,961	289,629,555	297,251,349	294,586,354
Net income per share, basic (USD per share)	$ 0.02	$ 0.07	$ 0.26	$ 0.23
Net income per share, diluted (USD per share)	$ 0.02	$ 0.07	$ 0.25	$ 0.23