XML 54 R44.htm IDEA: XBRL DOCUMENT v3.20.1
Earnings per Share (Narrative) (Details) - shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Earnings Per Share [Abstract]    
Convertible Preferred Stock, Shares Issuable upon Conversion The Company’s shares of Series N preferred stock, each of which is convertible to 40 common shares, have the right to receive dividends or dividend equivalents should the Company declare dividends on its common stock  
Series N preferred stock, each convertible to common shares 40  
Anti-dilutive common shares 700,000 1,000,000