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Share-Based Compensation - Summary of Stock Options Outstanding (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Number of shares vested and exercisable	1,192,683	1,024,276
Options vested and exercisable weighted average remaining contractual life	6 years 9 months 10 days	7 years 3 days
Options vested and exercisable weighted average exercise price	$ 35.82	$ 32.73
Options vested and exercisable intrinsic value	$ 40,779	$ 15,968
$7.18 - $40.87
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices, lower range	$ 7.18
Range of exercise prices, upper range	$ 40.87
Number of shares vested and exercisable	621,552
Options vested and exercisable weighted average remaining contractual life	5 years 6 months 29 days
Options vested and exercisable weighted average exercise price	$ 30.01
Options vested and exercisable intrinsic value	$ 24,863
$41.37 - $41.37
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices, lower range	$ 41.37
Range of exercise prices, upper range	$ 41.37
Number of shares vested and exercisable	427,899
Options vested and exercisable weighted average remaining contractual life	7 years 10 months 9 days
Options vested and exercisable weighted average exercise price	$ 41.37
Options vested and exercisable intrinsic value	$ 12,255
$41.78 - $75.00
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices, lower range	$ 41.78
Range of exercise prices, upper range	$ 75.00
Number of shares vested and exercisable	143,232
Options vested and exercisable weighted average remaining contractual life	8 years 9 months
Options vested and exercisable weighted average exercise price	$ 44.45
Options vested and exercisable intrinsic value	$ 3,661
$7.18 - $36.95
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices, lower range		$ 7.18
Range of exercise prices, upper range		$ 36.95
Number of shares vested and exercisable		677,936
Options vested and exercisable weighted average remaining contractual life		6 years 1 month 2 days
Options vested and exercisable weighted average exercise price		$ 28.34
Options vested and exercisable intrinsic value		$ 13,542
$37.00 - $40.87
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices, lower range		$ 37.00
Range of exercise prices, upper range		$ 40.87
Number of shares vested and exercisable		6,418
Options vested and exercisable weighted average remaining contractual life		7 years 11 months 12 days
Options vested and exercisable weighted average exercise price		$ 38.20
Options vested and exercisable intrinsic value		$ 65
$41.37 - $57.14
Share-based Payment Arrangement, Option, Exercise Price Range [Line Items]
Range of exercise prices, lower range		$ 41.37
Range of exercise prices, upper range		$ 57.14
Number of shares vested and exercisable		339,922
Options vested and exercisable weighted average remaining contractual life		8 years 10 months 2 days
Options vested and exercisable weighted average exercise price		$ 41.38
Options vested and exercisable intrinsic value		$ 2,361

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

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