Quarterly report pursuant to Section 13 or 15(d)

Stockholders' and Members' Equity - Additional Information (Detail)

v3.21.2
Stockholders' and Members' Equity - Additional Information (Detail) - USD ($)
 9 Months Ended
Jul. 26, 2021
Sep. 30, 2021
Jul. 31, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Sep. 30, 2020
Jun. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Class of Stock [Line Items]                    
Preferred stock shares outstanding   0                
Dividend declared or outstanding   $ 0                
Company owned LLC Common Units   109,903,867   $ (20,624,000) $ 565,000 $ 71,090,000 $ 101,477,000 $ (77,798,000) $ (113,452,000) $ (76,489,000)
Non-controlling interest holders owned LLC Common Units   149,162,107                
Dividend Declared [Member]                    
Class of Stock [Line Items]                    
Dividend declared or outstanding   $ 0                
Common Units Converted [Member]                    
Class of Stock [Line Items]                    
Common Unit, Issued   234,374,281                
Preferred Blocker Entity [Member]                    
Class of Stock [Line Items]                    
Common Unit, Issued   14,617,675                
RSG LLC [Member]                    
Class of Stock [Line Items]                    
Non-controlling Interest, Ownership Percentage by Non-controlling Owners   57.50%                
Common Class A [Member]                    
Class of Stock [Line Items]                    
Common stock, Shares issued   109,903,867                
Common stock, Par value   $ 0.001                
Common Stock, Voting Rights   Each share of Class A common stock is entitled to one vote per share.                
Common stock, Shares outstanding   109,903,867                
Common Stock, Shares Authorized   1,000,000,000                
Common Class A [Member] | Onex [Member]                    
Class of Stock [Line Items]                    
Common stock, Shares issued   20,680,420                
Common Class B [Member]                    
Class of Stock [Line Items]                    
Common stock, Shares issued   149,162,107                
Common stock, Par value   $ 0.001                
Common Stock, Voting Rights   Each share of Class B common stock is initially entitled to 10 votes per share and, upon the occurrence of certain events, shall be entitled to one vote per share.                
Common stock, Shares outstanding   149,162,107                
Common Stock, Shares Authorized   1,000,000,000                
Common Class X [Member]                    
Class of Stock [Line Items]                    
Common stock, Shares issued   640,784                
Common stock, Par value   $ 0.001                
Common Stock, Voting Rights   The shares of Class X common stock have no economic or voting rights.                
Common stock, Shares outstanding   0                
Common Stock, Shares Authorized   10,000,000                
Common Class X [Member] | Onex [Member]                    
Class of Stock [Line Items]                    
Common stock, Shares issued   640,784                
Redeemable Preferred Stock [Member]                    
Class of Stock [Line Items]                    
Preferred Units, Outstanding   260,000,000                
IPO [Member] | Founder [Member]                    
Class of Stock [Line Items]                    
Stock Repurchased During Period, Shares   74,990,000                
Stock Repurchased During Period, Value   $ 78,300,000                
Preferred units, reflects par value   $ 75,000,000.0                
IPO [Member] | Common Class A [Member]                    
Class of Stock [Line Items]                    
Proceeds from Initial Public Offering $ 1,448,100,000                  
Common stock, Par value $ 0.001   $ 0.001              
Common Stock, Shares Authorized     1,000,000,000              
IPO [Member] | Common Class B [Member]                    
Class of Stock [Line Items]                    
Common stock, Par value     $ 0.001              
Common Stock, Shares Authorized     1,000,000,000              
IPO [Member] | Common Class X [Member]                    
Class of Stock [Line Items]                    
Common stock, Par value     $ 0.001              
Common Stock, Shares Authorized     10,000,000