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Earnings Per Common Share (Narrative) (Details) - shares
3 Months Ended
Oct. 22, 2018
Mar. 31, 2019
Mar. 31, 2018
Weighted average stock anti dilutive effect excluded from calculation of earnings per share   28,414 859,322
Series C Convertible Preferred Stock      
Preferred stock, shares issued 84,000    
Conversion of Convertable Securities, Conversion rate, Ratio 8642.25%