Consolidated Statements of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenues:
Rental revenues	$ 23,707	$ 29,878	$ 52,716	$ 60,589
Total revenues	109,712	228,080	316,596	465,262
Cost of revenues:
Franchise expenses	37,080	78,907	106,530	159,210
Company restaurant expenses	21,139	31,232	51,471	62,770
Interest expense from finance leases	1,137	1,445	2,347	2,974
Other rental expenses	20,106	21,495	41,429	42,590
Rental expenses	21,243	22,940	43,776	45,564
Financing expenses	128	146	270	292
Total cost of revenues	79,590	133,225	202,047	267,836
Gross profit	30,122	94,855	114,549	197,426
General and administrative expenses	30,870	39,364	68,478	82,183
Interest expense, net	17,127	14,602	32,299	29,995
Impairment and closure charges	124,365	289	124,353	483
Amortization of intangible assets	2,755	2,925	5,581	5,849
Loss on extinguishment of debt	0	8,276	0	8,276
Loss on disposition of assets	1,776	332	1,543	441
(Loss) income before income tax provision	(146,771)	29,067	(117,705)	70,199
Income tax benefit (provision)	11,992	(7,677)	5,254	(17,166)
Net (loss) income	(134,779)	21,390	(112,451)	53,033
Other comprehensive income net of tax:
Foreign currency translation adjustment	0	2	0	1
Total comprehensive (loss) income	(134,779)	21,392	(112,451)	53,034
Net (loss) income available to common stockholders:
Net (loss) income	(134,779)	21,390	(112,451)	53,033
Less: Net loss (income) allocated to unvested participating restricted stock	4,763	(719)	3,961	(1,827)
Net income available to common stockholders - basic	$ (130,016)	$ 20,671	$ (108,490)	$ 51,206
Net (loss) income available to common stockholders per share:
Basic (USD per share)	$ (8.04)	$ 1.20	$ (6.69)	$ 2.97
Diluted (USD per share)	$ (8.04)	$ 1.18	$ (6.69)	$ 2.91
Weighted average shares outstanding:
Basic (in shares)	16,177	17,181	16,215	17,262
Diluted (in shares)	16,177	17,563	16,215	17,626
Franchise revenues
Revenues:
Revenue from contract with customer, excluding assessed tax	$ 67,876	$ 162,668	$ 212,913	$ 331,594
Royalties, franchise fees and other
Revenues:
Revenue from contract with customer, excluding assessed tax	38,781	90,930	122,095	187,226
Advertising revenues
Revenues:
Revenue from contract with customer, excluding assessed tax	29,095	71,738	90,818	144,368
Company restaurant sales
Revenues:
Revenue from contract with customer, excluding assessed tax	16,774	33,751	48,074	69,486
Financing revenues
Revenues:
Revenue from contract with customer, excluding assessed tax	1,355	1,783	2,893	3,593
Advertising fees
Revenues:
Revenue from contract with customer, excluding assessed tax	29,095	71,738	90,818	144,368
Cost of revenues:
Franchise expenses	29,095	71,738	90,818	144,368
Bad debt expense (credit)
Cost of revenues:
Franchise expenses	5,053	(126)	5,571	(593)
Other franchise expenses
Cost of revenues:
Franchise expenses	$ 2,932	$ 7,295	$ 10,141	$ 15,435