Stockholders' Equity - Changes in Number of Shares of Class A Stock Outstanding (Details) - Class A Stock - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Change In Common Stock Outstanding [Roll Forward]
Class A Stock outstanding, beginning of period	10,975,723	12,156,174	10,868,556	12,447,036
Issued pursuant to share-based compensation plans	4,987	0	207,209	86,451
Repurchased and canceled pursuant to the stock buy-back	(96,135)	(885,230)	(191,190)	(1,262,543)
Class A Stock outstanding, end of period	10,884,575	11,270,944	10,884,575	11,270,944