Equity Based Compensation - Summary of the Activity Related to Time Based Awards (Details) - Time Based Awards - $ / shares
9 Months Ended 12 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Restricted Stock    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Unvested Shares, Beginning balance 265,806 21,438
Unvested Shares, Granted 72,383 251,993
Unvested Shares, Vested (81,618) (7,625)
Unvested Shares, Forfeited (6,567)  
Unvested Shares, Ending Balance 250,004 265,806
Unvested Weighted-Average Grant-Date Fair Value, Beginning balance $ 9.53 $ 10.38
Unvested Weighted-Average Grant-Date Fair Value, Granted 9.78 9.48
Unvested Weighted-Average Grant-Date Fair Value, Vested 9.57 10.29
Unvested Weighted-Average Grant-Date Fair Value, Forfeited 9.78  
Unvested Weighted-Average Grant-Date Fair Value, Ending balance $ 9.58 $ 9.53
LTIPs    
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]    
Unvested Shares, Granted 214,521  
Unvested Shares, Ending Balance 214,521  
Unvested Weighted-Average Grant-Date Fair Value, Granted $ 9.09  
Unvested Weighted-Average Grant-Date Fair Value, Ending balance $ 9.09