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Fair Value Measurements - Schedule of Fair Value and Carrying Value of Debt (Details) - USD ($)
Dec. 31, 2020
Dec. 17, 2020
Aug. 27, 2020
Apr. 17, 2020
Dec. 31, 2019
Line of Credit | Revolving Credit Facility          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Credit facility amount $ 400,000,000        
Term Loan A | Estimate of Fair Value Measurement | Term Loan          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable 0       $ 485,106,000
Term Loan A | Reported Value Measurement | Term Loan          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable 0       483,317,000
Term Loan B | Estimate of Fair Value Measurement | Term Loan          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable 1,785,843,000       1,856,100,000
Term Loan B | Reported Value Measurement | Term Loan          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable 1,821,016,000       1,838,741,000
Other Term Loan B | Estimate of Fair Value Measurement | Term Loan          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable 639,389,000       0
Other Term Loan B | Reported Value Measurement | Term Loan          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable 630,663,000       0
Revolver, $400 million | Estimate of Fair Value Measurement | Line of Credit | Revolving Credit Facility          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable 375,000,000       0
Revolver, $400 million | Reported Value Measurement | Line of Credit | Revolving Credit Facility          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable $ 375,000,000       0
5.375% senior secured notes due 2023 | Senior Secured Notes          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Debt instrument interest rate percentage 5.375%   5.375%    
5.375% senior secured notes due 2023 | Estimate of Fair Value Measurement | Senior Secured Notes          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable $ 0       543,536,000
5.375% senior secured notes due 2023 | Reported Value Measurement | Senior Secured Notes          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable $ 0       530,000,000
5.25% senior secured notes due 2023 | Senior Secured Notes          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Debt instrument interest rate percentage 5.25% 5.25%      
5.25% senior secured notes due 2023 | Estimate of Fair Value Measurement | Senior Secured Notes          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable $ 0       514,670,000
5.25% senior secured notes due 2023 | Reported Value Measurement | Senior Secured Notes          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable $ 0       500,000,000
9.25% senior secured notes due 2025 | Senior Secured Notes          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Debt instrument interest rate percentage 9.25%     9.25%  
9.25% senior secured notes due 2025 | Estimate of Fair Value Measurement | Senior Secured Notes          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable $ 925,610,000       0
9.25% senior secured notes due 2025 | Reported Value Measurement | Senior Secured Notes          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable $ 775,000,000       0
7.375% senior secured notes due 2025 | Senior Secured Notes          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Debt instrument interest rate percentage 7.375%   7.375%    
7.375% senior secured notes due 2025 | Estimate of Fair Value Measurement | Senior Secured Notes          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable $ 925,030,000       0
7.375% senior secured notes due 2025 | Reported Value Measurement | Senior Secured Notes          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable $ 850,000,000       0
4.00% senior exchangeable notes due 2025 | Senior Secured Notes          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Debt instrument interest rate percentage 4.00%        
4.00% senior exchangeable notes due 2025 | Estimate of Fair Value Measurement | Senior Secured Notes          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable $ 610,907,000       0
4.00% senior exchangeable notes due 2025 | Reported Value Measurement | Senior Secured Notes          
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]          
Financial instrument fair value, notes payable $ 264,554,000       $ 0