Financing Obligations - Narrative (Details) $ in Millions	1 Months Ended	12 Months Ended
	Jun. 30, 2008 termExtensionOption	Dec. 31, 2021 USD ($) realProperty	Jun. 13, 2008 USD ($)	May 19, 2008 realProperty
Sale Leaseback Transaction Agreement for Properties
Sale Leaseback Transaction [Line Items]
Parcels of real property under sale leaseback transaction				181
Master Lease Agreement
Sale Leaseback Transaction [Line Items]
Parcels of real property under sale leaseback transaction		181
Gross proceeds of sale leaseback transaction | $			$ 337.2
Sale leaseback initial term	20 years
Number of options to extend initial leaseback term | termExtensionOption	4
Extension period for options to extend sale leaseback initial term (in years)	5 years
Properties assigned to franchisee or released from lessor		158
Reduction in property and equipment and financing obligations as a result of sales transactions | $		$ 284.2