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Stock Compensation and Unit-Based Compensation - Summary of Restricted Stock and Deferred Stock Units Granted Activity (Details) - Stock Units
12 Months Ended
Dec. 31, 2019
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Number of Shares, Nonvested, December 31, 2018 | shares 79,998
Number of Shares, Granted | shares 1,566,205
Number of Shares, Vested | shares (274,939)
Number of Shares, Cancelled | shares (129,771)
Number of Shares, Nonvested, December 31, 2019 | shares 1,241,493
Weighted Average Grand Date Fair Value, Nonvested, December 31, 2018 | $ / shares $ 15.00
Weighted Average Grand Date Fair Value, Granted | $ / shares 2.47
Weighted Average Grand Date Fair Value, Vested | $ / shares 4.62
Weighted Average Grand Date Fair Value, Cancelled | $ / shares 1.90
Weighted Average Grand Date Fair Value, Nonvested, December 31, 2019 | $ / shares $ 2.86