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Stock Based Compensation (Details 4) - Restricted Stock Liability Based
shares in Thousands
12 Months Ended
Dec. 31, 2019
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Non-vested Shares, Beginning Balance (in shares) 0
Shares Granted (in shares) 687
Shares Vested (in shares) 0
Shares Forfeited (in shares) (1)
Non-vested Shares, Ending Balance (in shares) 686