Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) - $ / shares	Jun. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Preferred stock, authorized	4,000,000	4,000,000
Preferred stock, issued	0	0
Common stock, par value	$ 1	$ 1
Common stock, authorized	200,000,000	100,000,000
Common stock, issued	79,911,000	79,683,000
Common stock, outstanding	79,911,000	79,683,000