Long-term Debt - Schedule of Interest Expense Related to Notes (Detail) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Debt Instrument [Line Items]
Amortization of Issuance Costs			$ 6,490	$ 5,084
Convertible Debt
Debt Instrument [Line Items]
Contractual Interest Expense	$ 1,218	$ 1,218	3,656	3,656
Amortization of Issuance Costs	1,757	1,744	5,260	4,656
Total interest expense	2,975	2,962	8,916	8,312
Convertible Senior Notes due 2025 | Convertible Debt
Debt Instrument [Line Items]
Contractual Interest Expense	1,218	1,218	3,656	3,656
Amortization of Issuance Costs	753	744	2,251	2,224
Total interest expense	1,971	1,962	5,907	5,880
Convertible Senior Notes due 2027 | Convertible Debt
Debt Instrument [Line Items]
Contractual Interest Expense	0	0	0	0
Amortization of Issuance Costs	1,004	1,000	3,009	2,432
Total interest expense	1,004	1,000	3,009	2,432
Secured Notes Due Twenty Twenty Eight
Debt Instrument [Line Items]
Contractual Interest Expense	7,657	7,656	22,969	9,017
Amortization of Issuance Costs	388	363	1,146	428
Total interest expense	8,045	$ 8,019	24,115	$ 9,445
Secured Term Loan Due Twenty Twenty Five
Debt Instrument [Line Items]
Contractual Interest Expense	2,931		5,314
Amortization of Issuance Costs	33		69
Total interest expense	$ 2,964		$ 5,383