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Fair Value Measurements - Secured Notes Measured at Fair Value (Details) - Secured Notes - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
Carrying amount $ 395,000 $ 395,000
10% senior secured notes - at fair value (carrying amount of $395,000 as of March 31, 2022 and December 31, 2021, respectively) 395,593 395,395
Change in Fair Value [Member]    
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]    
10% senior secured notes - at fair value (carrying amount of $395,000 as of March 31, 2022 and December 31, 2021, respectively) $ 593 $ 395