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Debt - $400 Million 5% Senior Notes (Details) - USD ($)
12 Months Ended
Feb. 17, 2021
Feb. 09, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Apr. 15, 2015
Debt Instrument [Line Items]            
Loss from extinguishment of debt     $ (2,949,000)   $ (494,000)  
Write-off of deferred financing costs       $ 281,000 $ 3,079,000  
Senior Notes [Member] | $400 Million 5% Senior Notes [Member]            
Debt Instrument [Line Items]            
Face amount $ 400,000,000 $ 400,000,000 $ 400,000,000     $ 400,000,000.0
Stated interest rate (as a percent) 5.00% 5.00% 5.00%     5.00%
Redemption price of per thousand   $ 1,005.00        
Aggregate tendered amount   $ 161,900,000        
Loss from extinguishment of debt     $ (2,900,000)      
Senior Notes [Member] | $600 Million 4.50% Senior Notes [Member]            
Debt Instrument [Line Items]            
Face amount $ 600,000,000.0   $ 600,000,000      
Stated interest rate (as a percent) 4.50%   4.50%      
Redemption price (as a percent) 100.00%          
Senior Notes [Member] | $600 Million 4.50% Senior Notes [Member] | Redemption Period One [Member]            
Debt Instrument [Line Items]            
Redemption price (as a percent) 102.25%          
Senior Notes [Member] | $600 Million 4.50% Senior Notes [Member] | Redemption Period Two [Member]            
Debt Instrument [Line Items]            
Redemption price (as a percent) 101.50%          
Senior Notes [Member] | $600 Million 4.50% Senior Notes [Member] | Redemption Period Three [Member]            
Debt Instrument [Line Items]            
Redemption price (as a percent) 100.75%          
Senior Notes [Member] | $600 Million 4.50% Senior Notes [Member] | Redemption Period Four [Member]            
Debt Instrument [Line Items]            
Redemption price (as a percent) 100.00%