UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Mar. 31, 2021	Dec. 31, 2020
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, authorized	4,998,130	4,998,130
Preferred stock, issued	0	0
Preferred stock, outstanding	0	0
Common stock, no par value (in dollars per share)
Common Stock, Shares Authorized	75,000,000	75,000,000
Common Stock, Shares, Issued	22,656,229	22,737,342
Common Stock, Shares, Outstanding	22,656,229	22,737,342
Series A Preferred Stock [Member]
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, authorized	5,000,000	5,000,000
Preferred stock, issued	0	0
Preferred stock, outstanding	0	0
Series B Preferred Stock [Member]
Preferred stock, par value (in dollars per share)	$ 1	$ 1
Preferred stock, authorized	1,870	1,870
Preferred stock, issued	0	0
Preferred stock, outstanding	0	0