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Equity Incentive Plan - Summary of Restricted Share Awards (Details) - Restricted Stock - $ / shares
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Number of Shares    
Nonvested at beginning of the period (in shares) 10,000 1,667
Granted (in shares) 0 10,000
Vested (in shares) 0 (1,667)
Forfeited (in shares) 0 0
Nonvested at end of the period (in shares) 10,000 10,000
Weighted - Average Grant Date Fair Value    
Nonvested at beginning of the period (in dollars per share) $ 11.47 $ 17.40
Granted (in dollars per share) 0 11.47
Vested (in dollars per share) 0 17.40
Forfeited (in dollars per share) 0 0
Nonvested at end of the period (in dollars per share) $ 11.47 $ 11.47