Quarterly report pursuant to Section 13 or 15(d)

Mezzanine and Stockholders' Equity - Additional Information (Details)

v3.21.2
Mezzanine and Stockholders' Equity - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Class of Stock [Line Items]          
Holdback shares not issued to former shareholders (in shares)     143,052    
Treasury shares (in shares) 10,885,732   10,885,732   12,323,164
Shares issued for exercise of warrants (in shares)     34,158    
APC          
Class of Stock [Line Items]          
Treasury shares (in shares) 10,885,732   10,885,732   12,323,164
Dividends paid $ 19.9 $ 19.6 $ 19.9 $ 29.6  
CDSC          
Class of Stock [Line Items]          
Dividends paid $ 1.5 $ 0.6 $ 1.5 $ 0.6