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Stock Bonus Plan - Summary of Activity of Restricted Shares Subject to Forfeiture (Details)
3 Months Ended
Mar. 31, 2021
$ / shares
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Number of shares, Granted 49,383
Number of shares, Vested (21,026)
Weighted Average Grant Price, Granted | $ / shares $ 12.80
Restricted Shares  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Number of shares, Beginning balance 702,926
Number of shares, Granted 49,383
Number of shares, Vested (56,699)
Number of shares, Ending balance 695,610
Weighted Average Grant Price, Beginning balance | $ / shares $ 12.80
Weighted Average Grant Price, Granted | $ / shares 12.80
Weighted Average Grant Price, Vested | $ / shares 12.80
Weighted Average Grant Price, Ending balance | $ / shares $ 12.80