CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Mar. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Preferred stock, par or stated value per share (in dollars per share)	$ 0.50	$ 0.50
Preferred stock, shares authorized (in shares)	2,000,000	2,000,000
Preferred stock, shares issued (in shares)	0	0
Common stock, par or stated value per share (in dollars per share)	$ 0.50	$ 0.50
Common stock, shares authorized (in shares)	40,000,000	40,000,000
Common stock, shares, issued (in shares)	15,505,772	15,505,772
Common stock, shares, outstanding (in shares)	13,644,741	13,734,295
Treasury stock, shares (in shares)	1,861,031	1,771,477