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Compensation Plans - Schedule of Grants Issued and Grant Date Fair Value (Details) - USD ($)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Grant Date Value $ 3,396,359 $ 3,655,296 $ 4,109,197
Common Stock      
Shares Issued 23,640 24,048 20,153
Grant Date Value $ 3,396,359 $ 3,655,296 $ 4,109,197