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Financial Risk Management and Financial Instruments - Summary of Assumption Used to Estimate Fair Value of Warrants (Details) - Level 3 - $ / shares
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]      
Expected term (years) 1 year 6 months    
Risk free rate (%) 0.11%    
Share price (US$) $ 314.66 $ 149.55 $ 113.50
Historical Volatility for Shares, Measurement Input      
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]      
Volatility (%) 50.00% 32.50% 40.00%
Bottom of Range      
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]      
Expected term (years)   6 months 9 months 18 days
Risk free rate (%)   1.58% 2.55%
Top of Range      
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items]      
Expected term (years)   2 years 6 months 1 year 6 months
Risk free rate (%)   1.59% 2.58%