Segments - Schedule of Segment Reporting Information by Segment (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Segment Reporting Information [Line Items]
Rental revenues	$ 26,194	$ 28,970	$ 78,910	$ 89,559
Total revenues	176,643	217,405	493,239	682,667
Interest expense	19,100	17,500	55,500	52,900
Depreciation and amortization	10,700	10,700	32,053	31,515
Segment profit	9,153	31,732	(108,552)	101,931
Operating Segments
Segment Reporting Information [Line Items]
Segment profit	66,800	89,700	181,300	287,100
Corporate and unallocated expenses, net
Segment Reporting Information [Line Items]
Segment profit	(57,600)	(58,000)	(289,900)	(185,200)
Franchise operations | Operating Segments
Segment Reporting Information [Line Items]
Depreciation and amortization	2,500	2,600	7,600	7,700
Segment profit	61,100	81,600	167,500	254,000
Rental operations | Operating Segments
Segment Reporting Information [Line Items]
Rental revenues	26,200	29,000	78,900	89,600
Interest expense	1,600	1,800	4,700	6,100
Depreciation and amortization	3,000	3,300	9,300	10,200
Segment profit	5,400	6,400	14,300	21,400
Company restaurants | Operating Segments
Segment Reporting Information [Line Items]
Interest expense	700	500	1,700	1,600
Depreciation and amortization	1,800	1,600	5,000	4,700
Segment profit	(900)	200	(4,400)	6,900
Financing operations | Operating Segments
Segment Reporting Information [Line Items]
Segment profit	1,200	1,500	3,900	4,800
Corporate
Segment Reporting Information [Line Items]
Interest expense	16,800	15,200	49,100	45,200
Depreciation and amortization	3,400	3,200	10,200	8,900
Franchise revenues
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax	121,752	156,200	334,665	487,794
Franchise revenues | Franchise operations | Operating Segments
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax	121,800	156,200	334,700	487,800
Company restaurant sales
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax	27,353	30,548	75,427	100,034
Company restaurant sales | Company restaurants | Operating Segments
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax	27,300	30,500	75,400	100,000
Financing revenues
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax	1,344	1,687	4,237	5,280
Financing revenues | Financing operations | Operating Segments
Segment Reporting Information [Line Items]
Revenue from contract with customer, excluding assessed tax	$ 1,300	$ 1,700	$ 4,200	$ 5,300