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Share-Based Payments (Details 9) - Performance stock units settled in cash
shares in Thousands
12 Months Ended
Dec. 31, 2019
shares
Performance stock units settled in cash  
Beginning Balance, Unvested, Shares 40,000
Shares, Granted 63,000
Shares, Vested (1,000)
Shares, Forfeited (20,000)
Ending Balance, Unvested, Shares 82,000