Stock-Based Compensation (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 13,510	$ 10,979
Proceeds from stock options exercised	$ 125	$ 23,139
Shares issued upon exercise of stock options (in shares)	13,561	1,443,685
Total intrinsic value of stock options exercised	$ 200	$ 25,800
Unrecognized compensation cost related to stock options outstanding	$ 7,900
Recognition period for compensation cost related to awards outstanding	1 year 7 months 6 days
Weighted-average grant date fair value per share of stock options (in dollars per share)	$ 8.91	$ 13.82
Total income tax benefits	$ 4,395	$ (1,671)
Share-based Payment Arrangement, Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	5,600	4,800
Total income tax benefits	2,600	11,300
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense	$ 7,900	$ 6,100
Recognition period for compensation cost related to awards outstanding	1 year 7 months 6 days
Restricted stock units granted (in shares)	693,000
Number of unvested restricted stock units (in shares)	1,224,176
Unrecognized compensation cost related to restricted stock units	$ 18,300

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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