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Fair Value Measurements - Summary of Carrying Values and Associated Fair Values of Financial Assets and Liabilities (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Level 2    
Financial assets:    
Investments $ 94,786 $ 0
Level 2 | 5.75% Senior Notes Due 2028    
Financial assets:    
Senior Notes 266,589 311,028
Carrying Value    
Financial assets:    
Investments 94,865 0
Carrying Value | 5.75% Senior Notes Due 2028    
Financial assets:    
Senior Notes $ 300,000 $ 300,000