Consolidated Statements of Comprehensive Income (Loss) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues:
Rental revenues	$ 120,666	$ 121,934	$ 121,437
Total revenues	910,178	780,931	731,725
Cost of revenues:
Total franchise expenses	312,754	330,619	293,986
Company restaurant expenses	123,272	5,872	7,838
Interest expense from finance leases	5,602	6,894	8,153
Other rental expenses	85,157	83,862	82,439
Total rental expenses	90,759	90,756	90,592
Financing expenses	579	597	598
Total cost of revenues	527,364	427,844	393,014
Gross profit	382,814	353,087	338,711
General and administrative expenses	162,815	166,683	165,679
Interest expense	60,393	61,686	61,979
Amortization of intangible assets	11,702	10,105	10,009
Closure and other impairment charges	1,487	2,107	3,968
Loss on extinguishment of debt	8,276	0	0
Debt refinancing costs	0	2,523	0
Gain on disposition of assets	(332)	(625)	(6,249)
Impairment of goodwill and intangible assets	0	0	531,634
Income (loss) before income tax (provision) benefit	138,473	110,608	(428,309)
Income tax (provision) benefit	(34,127)	(30,254)	85,559
Net income (loss)	104,346	80,354	(342,750)
Other comprehensive income (loss), net of tax:
Adjustment to unrealized loss on available-for-sale investments	0	50	0
Foreign currency translation adjustment	2	(5)	2
Total comprehensive income (loss)	104,348	80,399	(342,748)
Net income (loss) available to common stockholders:
Net income (loss)	104,346	80,354	(342,750)
Less: Net (income) loss allocated to unvested participating restricted stock	(3,532)	(2,711)	6,768
Net income (loss) available to common stockholders	$ 100,814	$ 77,643	$ (335,982)
Net income (loss) available to common stockholders per share:
Basic (in dollars per share)	$ 5.95	$ 4.43	$ (18.96)
Diluted (in dollars per share)	$ 5.85	$ 4.37	$ (18.96)
Weighted average shares outstanding:
Basic (in shares)	16,934	17,533	17,725
Diluted (in shares)	17,245	17,789	17,740
Franchisor
Revenues:
Revenue from contract with customer, excluding assessed tax	$ 651,186	$ 643,934	$ 594,418
Franchisor - Royalties, franchise fees, and other
Revenues:
Revenue from contract with customer, excluding assessed tax	368,171	375,640	360,253
Franchisor - Advertising Revenue
Revenues:
Revenue from contract with customer, excluding assessed tax	283,015	268,294	234,165
Food and Beverage
Revenues:
Revenue from contract with customer, excluding assessed tax	131,214	7,084	7,518
Financial Service
Revenues:
Revenue from contract with customer, excluding assessed tax	7,112	7,979	8,352
Advertising
Revenues:
Revenue from contract with customer, excluding assessed tax	283,015	268,294	234,165
Cost of revenues:
Total franchise expenses	281,781	269,590	243,096
Franchise
Cost of revenues:
Total franchise expenses	$ 30,973	$ 61,029	$ 50,890