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Equity (Details) - Series A Preferred Stock [Member] - $ / shares
Mar. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Dec. 31, 2019
Equity, Class of Treasury Stock [Line Items]        
Preferred stock, shares authorized (in shares) 25,000      
Preferred stock, par value (in dollars per share) $ 0.01      
Preferred stock, shares issued (in shares) 21,612 21,612 0 0