Earnings per Share - Schedule of Calculation of Basic and Diluted Earnings per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Numerator
Net income	$ 16,273	$ 31,538	$ 38,841	$ 53,790
Denominator
Weighted average shares used to compute earnings per share — basic	73,312	72,387	73,289	72,085
Weighted average number of shares used to compute earnings per share — diluted	74,635	74,422	74,720	74,228
Earnings per share:
Basic	$ 0.22	$ 0.44	$ 0.53	$ 0.75
Diluted	$ 0.22	$ 0.42	$ 0.52	$ 0.72
Common Class A
Numerator
Net income	$ 9,035	$ 15,858	$ 21,475	$ 26,556
Reallocation of undistributed earnings	7,238	15,680	17,366	27,234
Net income attributable to common stockholders — diluted	$ 16,273	$ 31,538	$ 38,841	$ 53,790
Denominator
Weighted average shares used to compute earnings per share — basic	40,706	36,397	40,521	35,588
Conversion of Class B to Class A common stock outstanding	32,606	35,990	32,768	36,497
Effect of dilutive stock options and RSUs	1,323	2,035	1,431	2,143
Weighted average number of shares used to compute earnings per share — diluted	74,635	74,422	74,720	74,228
Earnings per share:
Basic	$ 0.22	$ 0.44	$ 0.53	$ 0.75
Diluted	$ 0.22	$ 0.42	$ 0.52	$ 0.72
Common Class B
Numerator
Net income	$ 7,238	$ 15,680	$ 17,366	$ 27,234
Reallocation of undistributed earnings	160	434	411	767
Net income attributable to common stockholders — diluted	$ 7,398	$ 16,114	$ 17,777	$ 28,001
Denominator
Weighted average shares used to compute earnings per share — basic	32,606	35,990	32,768	36,497
Effect of dilutive stock options and RSUs	1,323	2,035	1,431	2,143
Weighted average number of shares used to compute earnings per share — diluted	33,929	38,025	34,199	38,640
Earnings per share:
Basic	$ 0.22	$ 0.44	$ 0.53	$ 0.75
Diluted	$ 0.22	$ 0.42	$ 0.52	$ 0.72