Stock-Based Compensation - Additional Information (Details)	12 Months Ended
	Dec. 31, 2019 USD ($) shares	Dec. 31, 2018 USD ($) shares	Dec. 31, 2017 USD ($) shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock available for issuance (in shares) | shares	552,999
Common stock reserved for issuance (in shares) | shares	2,820,000
Minimum employee tax withholding obligations related to RSUs	$ 7,696,000	$ 6,591,000	$ 3,499,000
Share-based payment arrangement, amount capitalized	0	0	0
Stock-based compensation expense	$ 22,232,000	$ 23,116,000	20,288,000
Weighted-average remaining contractual term, stock options outstanding (in years)	9 months 18 days	6 months
Weighted-average remaining contractual term, stock options vested and exercisable (in years)	9 months 18 days
Aggregate intrinsic value, stock options vested and exercisable	$ 500,000
Intrinsic value, stock options exercised	6,400,000	$ 3,000,000.0	2,500,000
Cash received from stock option exercises	726,000	$ 819,000	$ 111,000
Restricted stock units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant-date intrinsic value	$ 19,700,000
Share settlement under RSUs (in shares) | shares	66,441	41,101	32,716
Minimum employee tax withholding obligations related to RSUs	$ 6,900,000	$ 5,300,000	$ 3,500,000
Unamortized stock-based compensation expense	$ 27,800,000	$ 32,200,000
Weighted average remaining amortization period	1 year 3 months 18 days	1 year 6 months
Restricted stock units (RSUs), performance-based
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted (in shares) | shares	52,960	68,803
Period for recognition of compensation expense	3 years
Stock-based compensation expense	$ 7,500,000	$ 8,200,000
Unamortized stock-based compensation expense	$ 10,700,000	$ 11,400,000
Employee Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual life in years	10 years
Vesting period of stock options in years	3 years
Minimum | Restricted stock units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual life in years	1 year
Maximum | Restricted stock units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contractual life in years	3 years
Common Stock | Restricted stock units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion ratio	1