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Mezzanine and Stockholders' Equity - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Class of Stock [Line Items]          
Holdback shares not issued to former shareholders (in shares)     140,954    
Treasury shares (in shares) 11,175,702   11,175,702   10,925,702
APC          
Class of Stock [Line Items]          
Treasury shares (in shares) 11,175,702   11,175,702   10,925,702
Dividends paid $ 0.0 $ 10.0 $ 10.0 $ 29.9  
CDSC          
Class of Stock [Line Items]          
Dividends paid     $ 2.9 $ 1.5