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Unsecured Senior Notes - Unsecured Convertible Senior Notes Outstanding (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Mar. 29, 2017
Unsecured Senior Notes      
Unsecured Senior Notes      
Long term debt, gross $ 2,350,000 $ 2,350,000  
Unamortized deferred financing costs (10,418) (11,620)  
Total carrying amount 2,331,445 2,329,211  
Unamortized discount—Convertible Notes      
Unsecured Senior Notes      
Unamortized discount 0 (118)  
Unamortized discount—Senior Notes      
Unsecured Senior Notes      
Unamortized discount $ (8,137) (9,051)  
2023 Convertible Notes      
Unsecured Senior Notes      
Coupon Rate 4.38%   4.375%
Effective Rate 4.57%    
Remaining Period of Amortization 0 years    
Long term debt, gross $ 250,000 250,000  
2023 Senior Notes      
Unsecured Senior Notes      
Coupon Rate 5.50%    
Effective Rate 5.71%    
Remaining Period of Amortization 7 months 6 days    
Long term debt, gross $ 300,000 300,000  
2024 Senior Notes      
Unsecured Senior Notes      
Coupon Rate 3.75%    
Effective Rate 3.94%    
Remaining Period of Amortization 1 year 9 months 18 days    
Long term debt, gross $ 400,000 400,000  
2025 Senior Notes      
Unsecured Senior Notes      
Coupon Rate 4.75%    
Effective Rate 5.04%    
Remaining Period of Amortization 2 years    
Long term debt, gross $ 500,000 500,000  
2026 Senior Notes      
Unsecured Senior Notes      
Coupon Rate 3.63%    
Effective Rate 3.77%    
Remaining Period of Amortization 3 years 3 months 18 days    
Long term debt, gross $ 400,000 400,000  
2027 Senior Notes      
Unsecured Senior Notes      
Coupon Rate 4.375%    
Effective Rate 4.49%    
Remaining Period of Amortization 3 years 9 months 18 days    
Long term debt, gross $ 500,000 $ 500,000  
LIBOR | 2025 Senior Notes      
Unsecured Senior Notes      
Long term debt, gross $ 470,000    
Pricing margin 2.53%    
SOFR | 2027 Senior Notes      
Unsecured Senior Notes      
Pricing margin 2.95%