UNAUDITED CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical)	Mar. 31, 2023 $ / shares shares	Dec. 31, 2022 $ / shares shares
Class A Common Stock
Common stock, par value (in dollars per share) | $ / shares	$ 1	$ 1
Common stock, shares outstanding (in shares) | shares	5,944,585	5,782,944
Class B Common Stock
Common stock, par value (in dollars per share) | $ / shares	$ 1	$ 1
Common stock, shares outstanding (in shares) | shares	1,565,929	1,566,129
Common stock, convertible conversion ratio	1	1