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Long-term Debt - Senior Notes (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 15, 2021
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Debt Instrument [Line Items]          
Cash paid for interest       $ 6,330 $ 6,170
Debt financing and related expenses       0 10,520
Retirement of senior notes       0 300,000
Payment for Debt Extinguishment or Debt Prepayment Cost       0 13,570
Senior Notes [Member] | 4.875% Senior Unsecured Notes Due 2025 [Member]          
Debt Instrument [Line Items]          
Debt Instrument, Face Amount $ 300,000        
Debt Instrument, Interest Rate, Stated Percentage 4.875%        
Debt Instrument, Maturity Date Oct. 15, 2025        
Debt Instrument, Redemption Price, Percentage 102.438%        
Payment for Debt Extinguishment or Debt Prepayment Cost     $ 7,300    
Write off of Deferred Debt Issuance Cost     3,000    
Senior Notes [Member] | 4.125% Senior Unsecured Notes Due 2029          
Debt Instrument [Line Items]          
Debt Instrument, Face Amount   $ 400,000   $ 400,000  
Debt Instrument, Interest Rate, Stated Percentage   4.125%   4.125%  
Debt Instrument, Maturity Date   Apr. 15, 2029      
Payments of Financing Costs         5,100
Debt Issuance Costs, Noncurrent, Net     $ 5,100   5,100
Percentage of principal that can be redeemed with cash from proceeds of an equity offering   40.00%      
Debt instrument redemption price with net proceeds from equity offering   104.125%      
Debt Instrument, Redemption Price, Percentage   100.00%      
Senior Notes [Member] | 4.125% Senior Unsecured Notes Due 2029 | Redemption, Period Two [Member]          
Debt Instrument [Line Items]          
Debt Instrument, Redemption Price, Percentage       102.063%  
Senior Notes [Member] | 4.125% Senior Unsecured Notes Due 2029 | Redemption, Period Three [Member]          
Debt Instrument [Line Items]          
Debt Instrument, Redemption Price, Percentage       101.031%  
Senior Notes [Member] | 4.125% Senior Unsecured Notes Due 2029 | Redemption, Period Four [Member]          
Debt Instrument [Line Items]          
Debt Instrument, Redemption Price, Percentage       100.00%  
Revolving Credit Facility [Member]          
Debt Instrument [Line Items]          
Debt Instrument, Maturity Date   Mar. 29, 2026      
Payments of Financing Costs         1,100
Write off of Deferred Debt Issuance Cost         $ 200