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Share based Compensation - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 21, 2018
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Weighted average grant-date fair value, options (in dollars per share)   $ 9.08 $ 6.40 $ 6.67
Aggregate intrinsic value of options exercised   $ 8,500 $ 40,900 $ 11,800
Proceeds from stock options exercised, net   10,228 $ 42,282 $ 11,476
Total unrecognized compensation costs   $ 28,900    
Unvested restricted stock units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Period following separation for accelerated vesting 2 years      
RSUs vested and non-vested units expected to vest (in shares)   1,863,436 2,164,000 921,000
Unrecognized compensation cost   $ 47,600    
Unrecognized compensation costs, period for recognition (in years)   2 years    
Options to purchase common stock        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation costs, period for recognition (in years)   3 years