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Exchangeable Senior Notes - Additional Information (Details) - 2015 Notes
1 Months Ended
Nov. 02, 2020
USD ($)
shares
Oct. 01, 2020
USD ($)
shares
Sep. 30, 2015
USD ($)
day
Dec. 31, 2021
Nov. 30, 2020
Debt Instrument [Line Items]          
Principal amount of notes issued     $ 575,000,000    
Fixed interest rate     3.125%   3.125%
Related debt issuance costs     $ 11,992,000    
Underwriting fee percentage     2.00%    
Amortization period     5 years    
Redemption price as percentage of principal amount of notes plus accrued and unpaid interest     100.00%    
Redemption price as percentage of principal amount of notes at request of debt holders and upon occurrence of designated event     100.00%    
Notes exchange, threshold percentage     130.00%    
Notes exchange, threshold trading days | day     20    
Notes exchange, threshold consecutive trading days | day     30    
Effective interest rate       4.00%  
Debt Instrument, Redemption, Period One          
Debt Instrument [Line Items]          
Repurchase of exchangeable senior notes   $ 71,513,000      
Repurchase of exchangeable senior notes with common stock (in shares) | shares   124,819      
Repurchase of exchangeable senior notes with common stock   $ 13,495,000      
Debt Instrument, Redemption, Period Two          
Debt Instrument [Line Items]          
Repurchase of exchangeable senior notes $ 503,487,000        
Repurchase of exchangeable senior notes with common stock (in shares) | shares 1,198,962        
Repurchase of exchangeable senior notes with common stock $ 138,900,000        
Principal amount of Notes exchanged 503,432,000        
Debt Instrument, Redemption, Period Three          
Debt Instrument [Line Items]          
Repurchase of exchangeable senior notes $ 55,000        
Minimum          
Debt Instrument [Line Items]          
Number of days of written notice to holders of notes required for redemption     30 days    
Maximum          
Debt Instrument [Line Items]          
Number of days of written notice to holders of notes required for redemption     60 days