Quarterly report pursuant to Section 13 or 15(d)

Description of Organization and Business Operations- Additional Information (Detail)

v3.21.2
Description of Organization and Business Operations- Additional Information (Detail) - USD ($)
9 Months Ended 12 Months Ended
Oct. 05, 2020
Sep. 30, 2021
Dec. 31, 2020
Organisation Consolidation And Presentation Of Financial Statements [Line Items]      
Payments towards restricted investments $ 400,000,000    
Sale of stock issue price per share $ 10.00    
Term of restricted investments   185 days  
Number of days prior to the business combination when the amount in the trust account is ascertained   2 days  
Minimum net worth needed   $ 5,000,001  
Percentage of the public shares that can be transferred without any restriction   15.00%  
Percentage of public shares to be redeemed in case of non occurrence of business combination   100.00%  
Due date for the business combination to be consummated   Oct. 05, 2022  
Number of days after the cut off date for business combination within which public shares shall be redeemed   10 days  
Estimated expenses payable on liquidation   $ 100,000  
Operating bank account   1,090,787 $ 1,661,085
Securities held in the trust account   400,214,519 400,085,104
Working capital deficit   $ 1,717,344  
Maximum [Member]      
Organisation Consolidation And Presentation Of Financial Statements [Line Items]      
Percentage of the fair value of assets in trust account of the acquire excluding taxes and deferred underwriting commission 80.00%    
Per share amount to be maintained in the trust account   $ 10.00  
Minimum [Member]      
Organisation Consolidation And Presentation Of Financial Statements [Line Items]      
Equity method investment percentage 50.00%    
Redemption price per share of public shares   10.00  
Per share amount to be maintained in the trust account   $ 10.00  
Common Class A [Member]      
Organisation Consolidation And Presentation Of Financial Statements [Line Items]      
Proceeds from initial public offer gross   $ 400,000,000 400,000,000
Proceeds from warrant issue   18,400,000 18,400,000
Adjustment to additional paid in capital stock issuance costs   20,292,642 $ 20,292,642
Common Class A [Member] | IPO [Member]      
Organisation Consolidation And Presentation Of Financial Statements [Line Items]      
Stock shares issued during the period shares new issues 40,000,000    
Proceeds from initial public offer gross $ 400,000,000    
Adjustment to additional paid in capital stock issuance costs 21,292,016 20,292,642  
Underwriting fees net 7,275,000    
Underwriter fees reimbursed 225,000    
Deferred underwriting fees non current 13,125,000 $ 13,125,000  
Other offering costs $ 892,016    
Sale of stock issue price per share $ 10.00    
Private Placement Warrants [Member] | Private Placement [Member] | AEA Bridges Impact Sposor LLC [Member]      
Organisation Consolidation And Presentation Of Financial Statements [Line Items]      
Class of warrants or rights number of warrants issued during the period 10,500,000    
Class of warrants or rights issue price $ 1.00    
Proceeds from warrant issue $ 10,500,000