Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS' DEFICIT - Equity Events for Priority Holdings, LLC that Occurred Prior to July 25, 2018 (Details)

v3.21.1
STOCKHOLDERS' DEFICIT - Equity Events for Priority Holdings, LLC that Occurred Prior to July 25, 2018 (Details) - USD ($)
$ in Millions
1 Months Ended 7 Months Ended 12 Months Ended
Feb. 23, 2018
Jan. 19, 2018
Jan. 17, 2018
Apr. 30, 2017
Jul. 25, 2018
Dec. 31, 2019
Dec. 31, 2020
Jan. 31, 2017
Class of Stock [Line Items]                
Common shares authorized (in shares)           1,000,000,000.0 1,000,000,000.0  
Common stock issued (in shares)           67,512,167 67,842,204  
Member distributions           $ 7.1    
Common Class A                
Class of Stock [Line Items]                
Redemptions of common stock (in shares) 96,999 445,410   69,450        
Redemptions of common stock $ 4.2 $ 39.0   $ 3.0        
Common unit repurchase obligation, purchase price               $ 12.2
Reclass of common unit repurchase obligation     $ 9.2          
January 17, 2018 (1st Redemption) | Common Class A                
Class of Stock [Line Items]                
Redemptions of common stock (in shares)     115,751          
Redemptions of common stock     $ 5.0          
January 17, 2018 (2nd Redemption) | Common Class A                
Class of Stock [Line Items]                
Redemptions of common stock (in shares)     295,834          
Redemptions of common stock     $ 25.9          
Parent Company                
Class of Stock [Line Items]                
Ownership percentage         100.00%