Quarterly report pursuant to Section 13 or 15(d)

Contingencies And Guarantees - Additional Information (Detail)

v3.21.1
Contingencies And Guarantees - Additional Information (Detail) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Jan. 31, 2019
Mar. 31, 2021
Dec. 31, 2020
Apr. 19, 2020
Mar. 04, 2020
Contingencies And Guarantees [Line Items]          
Loss contingency claim for right to receive consulting fees and punitive damages $ 0.5        
Total damages claimed value   $ 5.4      
Total Damages Sought Value   167.0      
Claim for alleged payments 1.3        
Claim for right to receive $ 115.0        
Litigation Settlement, Remaining Amount Awarded to Other Party     $ 0.7    
Maximum [Member]          
Contingencies And Guarantees [Line Items]          
Litigation Settlement, Amount Awarded to Other Party     0.5    
Minimum [Member]          
Contingencies And Guarantees [Line Items]          
Litigation Settlement, Amount Awarded to Other Party     0.1    
Claim against ICHMPX ULC And MPX [Member]          
Contingencies And Guarantees [Line Items]          
Loss Contingency Accrual   3.0      
Claim by prior shareholders of Grow Healthy Holdings LLC [Member]          
Contingencies And Guarantees [Line Items]          
Loss Contingency Accrual   22.0      
Claim by security services firm against McCrory's, GHHIA, GHP, and IHF [Member]          
Contingencies And Guarantees [Line Items]          
Loss Contingency Accrual         $ 1.0
Claim by Himed LLC an equity holder and holder of unsecured debentures [Member]          
Contingencies And Guarantees [Line Items]          
Debt instrument face value       $ 5.0  
Claims filed by oasis investments two master funds limited for breaching debt covenants [Member]          
Contingencies And Guarantees [Line Items]          
Unsecured debt payable     25.0    
Damages payable to former employees [Member]          
Contingencies And Guarantees [Line Items]          
Loss Contingency Accrual     $ 1.2    
Amended claim [Member]          
Contingencies And Guarantees [Line Items]          
Loss Contingency Accrual   $ 10.0