Registration statement for securities of certain foreign private issuers

Employee Benefits - Additional Information (Detail)

v3.21.2
Employee Benefits - Additional Information (Detail)
$ / shares in Units, $ in Thousands
1 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2021
shares
Feb. 28, 2021
USD ($)
$ / shares
shares
Jun. 30, 2021
USD ($)
shares
$ / shares
Jun. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
shares
Dec. 31, 2019
USD ($)
shares
Dec. 31, 2018
shares
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Share based compensation by share based award options forfeited         8,673,488 9,160,081  
Share based compensation by share based award optiong granted during the period         12,738,070 26,253,667  
Share based compensation by share based award options outstanding         78,771,852 74,707,270 57,613,684
Allocated share based compensation | $     $ 12,300 $ 500 $ 9,557 $ 7,966  
Post-employment benefit expense, defined benefit plans | $         $ 13,371 $ 9,235  
Advisors [member]              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Share based compensation by share based award vesting term     4-year   4-year    
Special Growth Shares [member] | Three Employees [member]              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Share based compensation by share based award vesting term     one year        
Share based compensation by share based award number of shares authorized for issuance   10,150,395          
Share based compensation by share based award equity instruments other than options weighted average exercise price of instruments granted | $ / shares   $ 0.03          
Share based compensation by share based award equity instruments other than options redemption price per share | $ / shares   $ 0.00001227          
Share based compensation by share based award equity instruments other than options grant date fair value | $   $ 9,700          
Share based compensation by share based award equity instruments other than options pre equity value | $   $ 3,500,000          
Share based compensation by share based award equity instruments other than options volatility rate   54.00%          
Long Term Incentive Plan [member]              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Share based compensation by share based award options forfeited 34,180,103            
New Company Share Options Plans [member]              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Share based compensation by share based award optiong granted during the period 25,566,186            
Share based compensation by share based award options outstanding     70,410,659        
Share based compensation by share based award options vested out of outstanding options     52,000,990        
Share compensation by share based award options vested out of options outstanding weighted average exercise price | $ / shares     $ 0.09        
Restricted Share Awards [member]              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Share based compensation by share based arrangement vesting percentage 25.00%            
Share based compensation by share based award equity instruments other than options granted 16,697,963            
Share based compensation by share based award equity instruments other than options outstanding     16,697,963        
Tranche One [member] | Employees [member]              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Share based compensation by share based arrangement vesting percentage     25.00%   25.00%    
Tranche Two [member] | Employees [member]              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Share based compensation by share based arrangement vesting percentage     25.00%   25.00%    
Tranche Three [member] | Employees [member]              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Share based compensation by share based arrangement vesting percentage     25.00%   25.00%    
Tranche Four [member] | Employees [member]              
Disclosure of terms and conditions of share-based payment arrangement [line items]              
Share based compensation by share based arrangement vesting percentage     25.00%   25.00%