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Equity-Based Compensation - Summary of Stock Option Activity (Detail)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
$ / shares
shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]  
Number of Options, Outstanding, Beginning Balance | shares 5,037,663
Number of options, Granted | shares 1,220,613
Number of options, Exercised | shares (364,404)
Number of options, Forfeited | shares (527,901)
Number of Options, Outstanding, Ending Balance | shares 5,365,971
Number of Options, Exercisable | shares 2,578,717
Weighted Average Exercise Price per Share, Outstanding, Beginning Balance | $ / shares $ 15.63
Weighted Average Exercise Price per Share, Granted | $ / shares 14.90
Weighted Average Exercise Price per Share, Exercised | $ / shares 8.47
Weighted Average Exercise Price per Share, Forfeited | $ / shares 18.50
Weighted Average Exercise Price per Share, Outstanding, Ending Balance | $ / shares 15.67
Weighted Average Exercise Price per Share, Exercisable | $ / shares $ 14.11
Weighted Average Remaining Contractual Term, Outstanding 7 years 10 months 9 days
Weighted Average Remaining Contractual Term, Exercisable 6 years 11 months 1 day
Aggregate Intrinsic Value, Outstanding | $ $ 9,082
Aggregate Intrinsic Value, Exercisable | $ $ 8,017