Commitments and Contingencies (Details) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	Apr. 27, 2020	Jun. 30, 2020	Jun. 30, 2020	Feb. 11, 2020	Dec. 31, 2019
Other Commitments [Line Items]
Event of default, loan due In full, term		90 days
Portion that company might be obligated to repay in the event franchisees defaulted		$ 19,500	$ 19,500
Fair value of franchisee-related borrowings		2,400	2,400		$ 400
Loan facility to franchisees, maximum commitment amount				$ 25,000
Loss contingency accrual		3,200	3,200		182,900
Insurance settlements receivable		1,300	1,300
Reserve for unfunded loan commitments					400
Accounts payable and accrued expenses		249,182	249,182		272,816
Unused credit card lines
Other Commitments [Line Items]
Remaining credit available		224,700	224,700		225,000
Minimum
Other Commitments [Line Items]
Range of possible loss not accrued		0	0
Loss contingency, estimate of possible loss		0	0
Maximum
Other Commitments [Line Items]
Range of possible loss not accrued		1,000	1,000
Loss contingency, estimate of possible loss		$ 1,000	1,000
Federal Trade Commission Inquiry
Other Commitments [Line Items]
Loss contingency accrual					179,300
Litigation settlement, amount awarded to other party			$ 175,000
Accrued legal fees					$ 4,300
Payments for loss contingency	$ 175,000