Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Fair Value and Carrying Value of Fixed Rate Long-Term Debt (Details)

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Fair Value Measurements - Fair Value and Carrying Value of Fixed Rate Long-Term Debt (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Mar. 10, 2017
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term Debt, Carrying Value $ 1,561,300 $ 720,000  
6.125% Notes      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term Debt, Fair Value 0 263,400  
Long-term Debt, Carrying Value 0 250,000  
Stated interest rate on debt agreement     6.125%
Mortgage Notes      
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]      
Long-term Debt, Fair Value 216,600 215,900  
Long-term Debt, Carrying Value $ 213,400 $ 212,100