XML 105 R92.htm IDEA: XBRL DOCUMENT v3.22.0.1
Debt and Credit Facility (6.50% Senior Notes) - Additional Information (Details) - USD ($)
12 Months Ended
May 21, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
May 01, 2020
Apr. 28, 2020
Debt Instrument            
Loss on extinguishment of debt   $ (35,900,000)   $ (20,300,000)    
Senior Notes Due 2025            
Debt Instrument            
Debt instrument contractual rate (percent)         6.50% 6.50%
Debt issuance, percentage of principal amount         101.00% 100.00%
Percentage of redemption price of principal amount 108.83%          
Debt accrued and unpaid interest $ 1,300,000          
Debt principal amount 350,000,000.0       $ 50,000,000.0 $ 300,000,000.0
Unamortized debt issuance costs 5,000,000.0          
Loss on extinguishment of debt (35,900,000)          
Premium payment 30,900,000          
Repayments of Senior Debt $ 382,200,000          
Senior Notes Due 2025 | Senior Notes            
Debt Instrument            
Debt instrument contractual rate (percent)   6.50% 6.50%      
Interest expense   $ 9,200,000 $ 16,200,000      
Effective interest rate (percent)   6.80%        
Fair value of outstanding debt   $ 376,800,000