XML 75 R3.htm IDEA: XBRL DOCUMENT v3.20.1
Consolidated Balance Sheets (Parenthetical) - $ / shares
Dec. 31, 2019
Dec. 31, 2018
Statement of Financial Position [Abstract]    
Preferred stock, par value (in USD per share) $ 10 $ 10
Preferred stock, shares authorized 500,000 500,000
Preferred stock, shares issued 0 0
Common stock, par value (in USD per share) $ 2.50 $ 2.50
Common stock, shares authorized 10,000,000 10,000,000
Common stock, shares issued 3,430,103 3,445,914