Leases - Additional Information (Detail) - USD ($)
$ in Thousands
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Jan. 01, 2019
Lessee, Lease, Description [Line Items]            
Operating lease right of use assets $ 45,753 $ 40,022 $ 32,881 $ 30,076 $ 22,045  
Operating lease liabilities 47,921     29,605    
Finance lease right of use assets 58,393 $ 47,892 $ 40,218 36,904 $ 19,088  
Finance lease liabilities $ 62,588     $ 38,935    
Accounting Standards Update 2016-02            
Lessee, Lease, Description [Line Items]            
Operating lease right of use assets           $ 21,700
Operating lease liabilities           22,400
Finance lease right of use assets           1,200
Finance lease liabilities           $ 1,200
Real Estate Used For Dispensaries Production And Corporate Offices | Minimum            
Lessee, Lease, Description [Line Items]            
Operating lease term lessee         5 years  
Real Estate Used For Dispensaries Production And Corporate Offices | Maximum            
Lessee, Lease, Description [Line Items]            
Operating lease term lessee         10 years  
Passenger Vehicles Trucks And Equipment | Minimum            
Lessee, Lease, Description [Line Items]            
Operating lease term lessee         3 years  
Passenger Vehicles Trucks And Equipment | Maximum            
Lessee, Lease, Description [Line Items]            
Operating lease term lessee         5 years