Stockholders' Equity - Additional Information (Details) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended
Mar. 31, 2019 USD ($) $ / shares shares	Mar. 31, 2019 USD ($) $ / shares
RSUs and PSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation costs related to restricted stock units \| $	$ 98.1	$ 98.1
Weighted average vesting period for recognition of compensation expense		1 year 10 months 21 days
Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares repurchased (in shares) \| shares	504,286
Share price (in dollars per share) \| $ / shares	$ 39.66	$ 39.66

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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