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Stock Compensation - Other (Details) - USD ($)
3 Months Ended 12 Months Ended
Jul. 01, 2020
Sep. 30, 2018
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Stock Compensation          
Special stock dividend, rate percent 4.00%        
Dividends Payable, Date to be Paid Jul. 01, 2020        
Remaining unrecognized compensation expense related to non-vested stock awards     $ 0 $ 0 $ 0
Exercised (in shares)   22,615 0 0 22,615
Exercised (per share)   $ 13.13 $ 0 $ 0 $ 13.13