CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Jun. 30, 2022	Dec. 31, 2021
Redeemable preferred stock, par value (in dollars per share)	$ 0.60	$ 0.60
Redeemable preferred stock, authorized	200,000	200,000
Redeemable preferred stock, issued	38,239	28,635
Redeemable preferred stock, outstanding	28,635	28,635
Common Class A [Member]
Common stock, par value (in dollars per share)	$ 0.60	$ 0.60
Common stock, authorized	24,655,000	24,655,000
Common stock, issued	15,285,523	15,243,693
Common stock, outstanding	15,285,523	15,243,693
Common Class B [Member]
Common stock, par value (in dollars per share)	$ 0.60
Common stock, authorized	145,000
Common stock, issued	0	0