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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
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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%

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- Definition Warrants, Expected Term + References No definition available. + Details
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- Definition Warrants, Interest Rate, Percent + References No definition available. + Details
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