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Stock-based Compensation - Restricted Stock Awards - Activity (Details) - Restricted stock - $ / shares
9 Months Ended
Aug. 15, 2017
Sep. 30, 2017
Awards    
Unvested at the beginning of the period (in shares)   152,050
Adjustment (in shares)   3,948
Granted (in shares)   180,000
Vested (in shares)   (152,050)
Unvested at the end of the period (in shares)   183,948
Weighted Average Grant Date Fair Value per Share    
Unvested at the beginning of the period (in dollars per share)   $ 3.68
Granted (in dollars per share)   2.25
Vested (in dollars per share)   3.68
Unvested at the end of the period (in dollars per share)   $ 2.20
Dividends Preferred Stock Stock Shares Declared Per Unvested LTIP Unit 0.021931