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Long-term Debt - Schedule of Interest Expense Related to Notes (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Debt Instrument [Line Items]        
Amortization of Issuance Costs     $ 4,297 $ 2,977
Convertible Debt        
Debt Instrument [Line Items]        
Contractual Interest Expense $ 1,219 $ 1,219 2,438 2,438
Amortization of Issuance Costs 1,753 1,740 3,503 2,912
Total interest expense 2,972 2,959 5,941 5,350
Convertible Senior Notes due 2025 | Convertible Debt        
Debt Instrument [Line Items]        
Contractual Interest Expense 1,219 1,219 2,438 2,438
Amortization of Issuance Costs 750 741 1,498 1,480
Total interest expense 1,969 1,960 3,936 3,918
Convertible Senior Notes due 2027 | Convertible Debt        
Debt Instrument [Line Items]        
Contractual Interest Expense 0 0 0 0
Amortization of Issuance Costs 1,003 999 2,005 1,432
Total interest expense 1,003 999 2,005 1,432
Secured Notes Due Twenty Twenty Eight        
Debt Instrument [Line Items]        
Contractual Interest Expense 7,656 1,361 15,312 1,361
Amortization of Issuance Costs 382 65 758 65
Total interest expense 8,038 $ 1,426 16,070 $ 1,426
Secured Term Loan Due Twenty Twenty Five        
Debt Instrument [Line Items]        
Contractual Interest Expense 2,207   2,383  
Amortization of Issuance Costs 33   36  
Total interest expense $ 2,240   $ 2,419