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Fair Value Measurements - Carrying Amounts and Fair Values (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Fair Value Measurements [Line Items]    
Long-term debt $ 1,060,912 $ 1,060,474
Senior | 2020 Senior Notes    
Fair Value Measurements [Line Items]    
Long-term debt 444,622 444,470
Senior | 2020 Senior Notes | Level 2 | Carrying Amount    
Fair Value Measurements [Line Items]    
Long-term debt 444,622 444,470
Senior | 2020 Senior Notes | Level 2 | Fair Value    
Fair Value Measurements [Line Items]    
Long-term debt 437,724 477,675
Senior | 2019 Senior Notes    
Fair Value Measurements [Line Items]    
Long-term debt 395,388 395,237
Senior | 2019 Senior Notes | Level 2 | Carrying Amount    
Fair Value Measurements [Line Items]    
Long-term debt 395,388 395,237
Senior | 2019 Senior Notes | Level 2 | Fair Value    
Fair Value Measurements [Line Items]    
Long-term debt 398,056 425,984
Senior | 2012 Senior Notes | Level 2 | Carrying Amount    
Fair Value Measurements [Line Items]    
Long-term debt 216,486 216,351
Senior | 2012 Senior Notes | Level 2 | Fair Value    
Fair Value Measurements [Line Items]    
Long-term debt $ 218,143 $ 221,702