Stockholders' Equity - Changes in Number of Shares of Class A Stock Outstanding (Details) - Class A Stock - shares	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Change In Common Stock Outstanding [Roll Forward]
Class A Stock outstanding, beginning of period	10,884,575	11,270,944	10,868,556	12,447,036
Issued pursuant to share-based compensation plans	10,745	17,098	217,954	103,549
Repurchased and cancelled	(606,087)	(413,052)	(797,277)	(1,675,595)
Class A Stock outstanding, end of period	10,289,233	10,874,990	10,289,233	10,874,990