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Business (Details) - USD ($)
$ in Millions
Sep. 30, 2020
Dec. 31, 2019
Federal [Member]    
Operating Loss Carryforwards $ 227.6  
The Berkley [Member]    
Equity Method Investment, Ownership Percentage 50.00% 50.00%
250 North 10th    
Equity Method Investment, Ownership Percentage 10.00%