Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2019	Dec. 31, 2018
Statement of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 1,000	$ 1,000
Preferred stock, shares authorized (in shares)	20,000	20,000
Preferred stock, shares issued (in shares)	733	783
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	20,000,000	20,000,000
Common stock, shares issued (in shares)	11,995,366	11,658,370
Common stock, shares outstanding (in shares)	11,944,289	11,607,293
Treasury stock, shares (in shares)	51,077	51,077