Intangible Assets and Goodwill - Components of Company's Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Finite Lived Intangible Assets [Line Items]
Net Balance	$ 77,452		$ 81,186
Amortization expense	6,000	$ 7,200
Franchise agreements
Finite Lived Intangible Assets [Line Items]
Initial Cost	222,343		222,055
Accumulated Amortization	(144,891)		(140,869)
Net Balance	$ 77,452		$ 81,186
Franchise agreements | Weighted Average
Finite Lived Intangible Assets [Line Items]
Useful life of intangible assets	11 years 10 months 24 days		11 years 10 months 24 days
Other Intangible Assets
Finite Lived Intangible Assets [Line Items]
Initial Cost	$ 72,213		$ 74,134
Accumulated Amortization	(59,626)		(60,752)
Net Balance	$ 12,587		$ 13,382
Other Intangible Assets | Weighted Average
Finite Lived Intangible Assets [Line Items]
Useful life of intangible assets	4 years 2 months 12 days		4 years 2 months 12 days
Software
Finite Lived Intangible Assets [Line Items]
Initial Cost	$ 58,554		$ 57,243
Accumulated Amortization	(48,499)		(46,829)
Net Balance	$ 10,055		$ 10,414
Software | Weighted Average
Finite Lived Intangible Assets [Line Items]
Useful life of intangible assets	3 years 9 months 18 days		3 years 9 months 18 days
Software Development
Finite Lived Intangible Assets [Line Items]
Capitalized software development costs	$ 1,700		$ 1,200
Trademarks
Finite Lived Intangible Assets [Line Items]
Initial Cost	912		900
Accumulated Amortization	(705)		(684)
Net Balance	$ 207		$ 216
Trademarks | Weighted Average
Finite Lived Intangible Assets [Line Items]
Useful life of intangible assets	9 years 8 months 12 days		9 years 8 months 12 days
Non-compete agreements
Finite Lived Intangible Assets [Line Items]
Initial Cost	$ 12,747		$ 12,721
Accumulated Amortization	(10,422)		(9,969)
Net Balance	$ 2,325		$ 2,752
Non-compete agreements | Weighted Average
Finite Lived Intangible Assets [Line Items]
Useful life of intangible assets	5 years		5 years
Training materials
Finite Lived Intangible Assets [Line Items]
Initial Cost			$ 2,400
Accumulated Amortization			$ (2,400)
Training materials | Weighted Average
Finite Lived Intangible Assets [Line Items]
Useful life of intangible assets	0 years		0 years
Other
Finite Lived Intangible Assets [Line Items]
Initial Cost			$ 870
Accumulated Amortization			$ (870)
Other | Weighted Average
Finite Lived Intangible Assets [Line Items]
Useful life of intangible assets	0 years		0 years