Organization - Narrative (Details)	3 Months Ended		9 Months Ended
	Sep. 30, 2022 location franchise	Sep. 30, 2021 franchise location	Sep. 30, 2022 franchise location	Sep. 30, 2021 franchise location
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Corporate-owned locations (in locations) | location	12	12	12	12
Franchise locations sold (in franchises)	144	92
Operating franchise locations (in franchises)	1,403	1,139	1,403	1,139
Franchises purchased (in franchises)	0	0	0	0