Debt Obligations - Summary of Debt Obligations (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
2027 Term Loans | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Principal amount	$ 200,000
Unamortized debt discount and debt issuance costs	(3,963)
Net carrying value	196,037
Estimated fair value	196,037
1.5% Convertible Senior Subordinated Notes due 2026 | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Principal amount	230,000	$ 230,000
Unamortized debt discount and debt issuance costs	(5,072)	(5,712)
Net carrying value	224,928	224,288
Estimated fair value	151,211	271,860
8.2% Convertible Notes due 2022 | Level 3
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Principal amount		109,000
Unamortized debt discount and debt issuance costs		(521)
Net carrying value		108,479
Estimated fair value		108,361
2025 Term Loan
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Net carrying value	$ 0
2025 Term Loan | Level 2
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]
Principal amount		75,000
Unamortized debt discount and debt issuance costs		513
Net carrying value		75,513
Estimated fair value		$ 75,513