Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 31, 2021	Dec. 31, 2020
Statement of Financial Position [Abstract]
Preferred stock, shares authorized	4,000,000	4,000,000
Preferred stock, par value (in dollars per share)	$ 1.00	$ 1.00
Preferred stock, shares issued	0	0
Common stock, shares authorized	40,000,000	40,000,000
Common stock, par value (in dollars per share)	$ 0.20	$ 0.20
Common stock, shares issued	22,767,052	22,611,976
Common stock, shares outstanding	22,767,052	22,611,976