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Earnings Per Share - Schedule of Basic and Diluted EPS (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Numerator [Abstract]
Net income	$ 57,006	$ 29,669
Less: Net income attributable to participating securities	0	0
Net income attributable to Class A and Class B common stockholders, basic	57,006	29,669
Net income attributable to Class A and Class B common stockholders, diluted	$ 57,136	$ 29,669
Denominator [Abstract]
Weighted average shares, basic (in shares)	302,583,452	285,486,972
Effect of dilutive securities (in shares)	11,388,113	6,891,655
Dilutive effect of ESPP	114,364	0
Dilutive effect of assumed conversion of 2026 Notes	7,650,720	0
Denominator for dilutive net income per share (in shares)	321,736,649	292,378,627
Net income per share, basic (USD per share)	$ 0.19	$ 0.10
Net income per share, diluted (USD per share)	$ 0.18	$ 0.10
Convertible Debt
Numerator [Abstract]
Add: Interest expense, net of tax, attributable to assumed conversion of 2026 Notes	$ 808	$ 0
Convertible Debt | 2026 Notes
Numerator [Abstract]
Add: Interest expense, net of tax, attributable to assumed conversion of 2026 Notes	$ 130

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