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Indebtedness - Early Extinguishment of Debt - Additional Information (Detail) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended
Jan. 31, 2020
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Debt Instrument [Line Items]        
Repayment of notes by early cash tender premium amount $ 15,100      
Early cash tender offer period 10 days      
Gain (Loss) on early extinguishment of debt   $ 12,923 $ 0  
5.75% Senior Notes Due 2021 and 5.875% Senior Notes Due 2022        
Debt Instrument [Line Items]        
Cash tender principal amount $ 500,000      
Gain (Loss) on early extinguishment of debt   (17,500)    
5.00% Senior Notes Due 2022        
Debt Instrument [Line Items]        
Extinguishment of debt, principal amount   $ 48,500    
Interest rate on notes   5.00%   5.00%
5.875% Senior Notes Due 2022        
Debt Instrument [Line Items]        
Extinguishment of debt, principal amount   $ 5,800    
Interest rate on notes 5.875% 5.875%   5.875%
5.00% Senior Notes Due 2023        
Debt Instrument [Line Items]        
Extinguishment of debt, principal amount   $ 56,600    
Interest rate on notes   5.00%   5.00%
5.00% Senior Notes Due 2022, 5.875% Senior Notes Due 2022 and 5.00% Senior Notes Due 2023        
Debt Instrument [Line Items]        
Gain (Loss) on early extinguishment of debt   $ 30,400