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Share-based Compensation - Share and performance-based compensation expense (Details) - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Share and performance-based compensation expense [Abstract]      
Performance-based share (benefit) expense $ 2,000,000.0 $ (5,000,000.0) $ 12,500,000
Service-based share expense 4,600,000 4,400,000 8,300,000
Total share-based compensation (benefit) expense before income tax 6,600,000 (600,000) 20,800,000
Income tax 0 0 0
Total share-based compensation (benefit) expense, net of income tax 6,600,000 (600,000) 20,800,000
Share-based payment arrangement, amount capitalized 0 $ 0 $ 0
Unrecognized compensation expense $ 10,400,000    
Weighted average period of expense recognition 1 year 9 months 18 days