CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) (Parenthetical) - $ / shares	Jun. 30, 2023	Dec. 31, 2022
Convertible preferred stock issued	0	0
Class A Common Stock
Common stock, par value (usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized	100,000,000	100,000,000
Common stock, shares issued	68,422,889	67,574,922
Common stock, shares outstanding	23,407,137	24,204,324
Treasury stock, shares	45,015,752	43,370,598
Class B common stock
Common stock, par value (usd per share)	$ 0.01
Common stock, shares authorized	30,000,000
Common stock, shares issued	12,029,375