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Equity - Summary of Nonvested Restricted Stock Unit Activity (Details) - Restricted stock units
6 Months Ended
Jun. 30, 2021
$ / shares
shares
Number of Shares  
Non-vested, beginning balance (in shares) | shares 186,500
Restricted stock units granted (in shares) | shares 70,000
Restricted stock units vested (in shares) | shares (83,000)
Restricted stock units forfeited (in shares) | shares 0
Non-vested, ending balance (in shares) | shares 173,500
Weighted Average Grant Date Fair Value  
Non-vested, beginning balance (in dollars per share) | $ / shares $ 8.19
Restricted stock units granted (in dollars per share) | $ / shares 12.94
Restricted stock units vested (in dollars per share) | $ / shares 7.27
Restricted stock units forfeited (in dollars per share) | $ / shares 0
Non-vested, ending balance (in dollars per share) | $ / shares $ 10.54