Credit Facility and Other Long Term Debt - Components of Convertible Senior Notes (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2021	May 31, 2020	Sep. 30, 2016
Debt Instrument [Line Items]
Total principal payments due	$ 680,919	$ 680,919	$ 680,919
Total amount outstanding	674,478	672,286	662,531
Credit Facility borrowings	0	0	0
Non-current portion of long-term debt	674,478	672,286	662,531
Credit Facility
Debt Instrument [Line Items]
Unamortized debt issuance costs - Credit facility	$ (3,632)	(4,623)	(4,870)
1.50% Convertible Senior Notes
Debt Instrument [Line Items]
Stated interest rate, percentage	1.50%			1.50%
1.50% Convertible Senior Notes | Convertible Notes
Debt Instrument [Line Items]
Total principal payments due	$ 80,919	80,919	80,919
Unamortized debt discount			(9,207)
Unamortized debt issuance costs - Credit facility	$ (267)	(677)	(779)
Stated interest rate, percentage	1.50%
3.25% Senior Notes | Senior Notes
Debt Instrument [Line Items]
Total principal payments due	$ 600,000	600,000	600,000
Unamortized debt discount	(814)	(1,067)	(1,131)
Unamortized debt issuance costs - Credit facility	$ (1,728)	$ (2,266)	$ (2,401)		$ (5,400)
Stated interest rate, percentage	3.25%				3.25%