Quarterly report pursuant to Section 13 or 15(d)

Share-Based Compensation - Summary of Number of Performance RSUs Outstanding and Weighted-average Grant Date Fair Value of PSUs (Details)

v3.20.2
Share-Based Compensation - Summary of Number of Performance RSUs Outstanding and Weighted-average Grant Date Fair Value of PSUs (Details) - Performance RSUs - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]        
Number of Shares, Unvested, Beginning balance     50,000  
Number of Shares, Granted 0 0 1,079,000 50,000
Number of Shares, Forfeited     (87,000)  
Number of Shares, Unvested, Ending balance 1,042,000   1,042,000  
Weighted Average grant date fair value per share, Unvested, Beginning balance     $ 8.21  
Weighted Average grant date fair value per share, Granted     2.04  
Weighted Average grant date fair value per share, Forfeited     2.89  
Weighted Average grant date fair value per share, Unvested, Ending balance $ 2.08   $ 2.08