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Subsequent Event Acquisition (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Apr. 15, 2021
Jun. 30, 2021
Jun. 30, 2021
Jun. 30, 2020
Subsequent Event [Line Items]        
Retirement of senior notes     $ 300,000 $ 0
Payment for Debt Extinguishment or Debt Prepayment Cost     $ 13,570 $ 0
4.875% Senior Unsecured Notes Due 2025 [Member] | Senior Notes [Member]        
Subsequent Event [Line Items]        
Debt Instrument, Face Amount $ 300,000      
Payment for Debt Extinguishment or Debt Prepayment Cost $ 7,300 $ 7,300