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Equity (Details) - $ / shares
shares in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Options Outstanding    
Options Outstanding shares, Ending 24,101,405  
Stock Options [Member]    
Options Outstanding    
Options Outstanding shares, Beginning 3,697 3,108
Options Outstanding, Options granted 1,988 817
Options Outstanding, Replacement awards (Note 23)   536
Options Outstanding, Exercised (276) (356)
Options Outstanding, Forfeited (432) (408)
Options Outstanding shares, Ending 4,977 3,697
Weighted Average Grant Date Fair Value    
Weighted Average Grant Date Fair Value, Options granted 1 year 5 months 12 days 1 year 10 months 9 days
Weighted Average Grant Date Fair Value, Replacement awards (Note 23)   1 year 8 months 8 days
Weighted Average Exercise Price    
Weighted Average Exercise Price, Beginning $ 4.05 $ 3.88
Weighted Average Exercise Price, Options granted 2.47 4.06
Weighted Average Exercise Price, Replacement awards (Note 23)   2.64
Weighted Average Exercise Price, Exercised 1.59 2.16
Weighted Average Exercise Price, Forfeited 2.86 5.11
Weighted Average Exercise Price, Ending $ 3.07 $ 4.05
Options Exercisable, Beginning 2,833 1,965
Options Exercisable, Ending 2,965 2,833
Weighted Average Exercise Price Options Exercisable    
Weighted Average Exercise Price Options Exercisable, Beginning $ 4.12 $ 3.80
Weighted Average Exercise Price Options Exercisable,Ending $ 3.47 $ 4.12