Revenue - Disaggregation of Franchise Revenue by Major Type (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Franchise Revenue:
Disaggregation of Revenue [Line Items]
Total franchise revenue	$ 175,877	$ 179,962
Royalties
Disaggregation of Revenue [Line Items]
Total franchise revenue	80,212	83,438
Advertising fees
Disaggregation of Revenue [Line Items]
Total franchise revenue	75,261	77,037
Proprietary product sales and other
Disaggregation of Revenue [Line Items]
Total franchise revenue	17,967	17,262
Franchise and development fees
Disaggregation of Revenue [Line Items]
Total franchise revenue	$ 2,437	$ 2,225