Equity-Based Compensation - Schedule of Activity Related to Stock Option Awards (Detail) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) $ / shares shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Options, Outstanding, Beginning Balance | shares	914,022
Options, Granted | shares	128,434
Options, Forfeited | shares	(184,059)
Options, Expired | shares	(20,785)
Options, Exercised | shares	(157,624)
Options, Outstanding, Ending Balance | shares	679,988
Options, Exercisable at December 31, 2020 | shares	392,671
Weighted Average Exercise Price, Outstanding, Beginning Balance | $ / shares	$ 22.43
Weighted Average Exercise Price, Granted | $ / shares	20.79
Weighted Average Exercise Price, Forfeited | $ / shares	28.38
Weighted Average Exercise Price, Expired | $ / shares	19.11
Weighted Average Exercise Price, Exercised | $ / shares	18.53
Weighted Average Exercise Price, Outstanding, Ending Balance | $ / shares	21.51
Weighted Average Exercise Price, Exercisable at December 31, 2020 | $ / shares	$ 19.82
Weighted Average Remaining Contractual Life, Outstanding at December 31, 2020	6 years 10 months 20 days
Weighted Average Remaining Contractual Life, Exercisable at December 31, 2020	5 years 6 months 10 days
Aggregate Intrinsic Value, Outstanding at December 31, 2020 | $	$ 6,860
Aggregate Intrinsic Value, Exercisable at December 31, 2020 | $	$ 4,622