Intangible Assets and Goodwill - Components of Company's Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Finite Lived Intangible Assets [Line Items]
Net Balance	$ 120,174	$ 143,832
Amortization expense	33,400	29,100	$ 24,400
Franchise agreements
Finite Lived Intangible Assets [Line Items]
Initial Cost	224,397	267,770
Accumulated Amortization	(104,223)	(123,938)
Net Balance	$ 120,174	143,832
Franchise agreements | Weighted Average
Finite Lived Intangible Assets [Line Items]
Useful life of intangible assets	12 years 3 months 18 days
Other Intangible Assets
Finite Lived Intangible Assets [Line Items]
Initial Cost	$ 66,594	70,894
Accumulated Amortization	(40,831)	(38,364)
Net Balance	$ 25,763	32,530
Other Intangible Assets | Weighted Average
Finite Lived Intangible Assets [Line Items]
Useful life of intangible assets	4 years 3 months 18 days
Software
Finite Lived Intangible Assets [Line Items]
Initial Cost	$ 48,658	51,368
Accumulated Amortization	(32,198)	(29,682)
Net Balance	$ 16,460	21,686
Software | Weighted Average
Finite Lived Intangible Assets [Line Items]
Useful life of intangible assets	4 years
Software Development
Finite Lived Intangible Assets [Line Items]
Capitalized software development costs	$ 4,600	1,900
Trademarks
Finite Lived Intangible Assets [Line Items]
Initial Cost	1,713	2,356
Accumulated Amortization	(1,272)	(1,533)
Net Balance	$ 441	823
Trademarks | Weighted Average
Finite Lived Intangible Assets [Line Items]
Useful life of intangible assets	8 years 7 months 6 days
Non-compete agreements
Finite Lived Intangible Assets [Line Items]
Initial Cost	$ 12,953	13,100
Accumulated Amortization	(4,878)	(4,563)
Net Balance	$ 8,075	8,537
Non-compete agreements | Weighted Average
Finite Lived Intangible Assets [Line Items]
Useful life of intangible assets	4 years 3 months 18 days
Training materials
Finite Lived Intangible Assets [Line Items]
Initial Cost	$ 2,400	2,400
Accumulated Amortization	(2,080)	(1,600)
Net Balance	$ 320	800
Training materials | Weighted Average
Finite Lived Intangible Assets [Line Items]
Useful life of intangible assets	5 years
Other..
Finite Lived Intangible Assets [Line Items]
Initial Cost	$ 870	1,670
Accumulated Amortization	(403)	(986)
Net Balance	$ 467	$ 684
Other.. | Weighted Average
Finite Lived Intangible Assets [Line Items]
Useful life of intangible assets	7 years