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Long-term Debt - Schedule of Net Carrying Amount of Liability Component (Detail) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Convertible Debt    
Debt Instrument [Line Items]    
Outstanding principal amount $ 1,700,000 $ 1,700,000
Unamortized Issuance Costs (27,595) (32,855)
Net Carrying Value 1,672,405 1,667,145
Fair Value 965,789 1,831,054
Convertible Senior Notes due 2025 | Convertible Debt    
Debt Instrument [Line Items]    
Outstanding principal amount 650,000 650,000
Unamortized Issuance Costs (9,867) (12,118)
Net Carrying Value 640,133 637,882
Fair Value 485,141 1,056,679
Convertible Senior Notes due 2027 | Convertible Debt    
Debt Instrument [Line Items]    
Outstanding principal amount 1,050,000 1,050,000
Unamortized Issuance Costs (17,728) (20,737)
Net Carrying Value 1,032,272 1,029,263
Fair Value 480,648 774,375
Secured Notes Due Twenty Twenty Eight    
Debt Instrument [Line Items]    
Outstanding principal amount 500,000 500,000
Unamortized Issuance Costs (10,848) (11,994)
Fair Value 413,295 502,530
Net Carrying 489,152 $ 488,006
Secured Term Loan Due Twenty Twenty Five    
Debt Instrument [Line Items]    
Outstanding principal amount 205,000  
Unamortized Issuance Costs (346)  
Fair Value 205,000  
Net Carrying $ 204,654