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Shareholders' Equity - Additional Information (Details)
12 Months Ended
Dec. 31, 2019
USD ($)
$ / shares
shares
Shareholders? Equity  
Value of shares authorized | $ $ 450,000
Description of voting rights one vote
Common Shares  
Shareholders? Equity  
Number of shares authorized | shares 300,000,000
Par value of shares authorized | $ / shares $ 0.001
Preferred Shares  
Shareholders? Equity  
Number of shares authorized | shares 150,000,000
Par value of shares authorized | $ / shares $ 0.001