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Debt Gain (LOss) on Extinguishment of Debt Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Gain (Loss) on Extinguishment of Debt [Abstract]        
Loss on debt retirement (see Note 4) $ 0 $ 0 $ (4,843) $ (76)