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Incentive Equity Plan - Schedule of Share-Based Incentive Plan Activity (Details) - 2016 Plan - $ / shares
Mar. 31, 2021
Dec. 31, 2020
Shares    
Non-vested, balance (in shares) 75,052 75,052
Available for grant (in shares) 2,073,686  
Weighted-Average Grant Date Fair Value    
Non-vested, balance (in dollars per share) $ 2.18 $ 2,180