Consolidated Statements of Comprehensive Income - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Revenues:
Rental revenues	$ 30,711	$ 30,841
Total revenues	237,182	188,163
Cost of revenues:
Franchise expenses:	80,303	81,872
Company restaurant expenses	31,538	0
Interest expense from finance leases	1,529	1,877
Other rental expenses	21,095	20,764
Rental expenses:	22,624	22,641
Financing expenses	146	150
Total cost of revenues	134,611	104,663
Gross profit	102,571	83,500
General and administrative expenses	42,819	41,911
Interest expense, net	15,393	15,199
Amortization of intangible assets	2,924	2,502
Closure and impairment charges	194	2,604
Loss (gain) on disposition of assets	109	(1,427)
Income before income tax provision	41,132	22,711
Income tax provision	(9,489)	(5,638)
Net income	31,643	17,073
Other comprehensive income (loss) net of tax:
Adjustment to unrealized loss on available-for-sale investments	0	50
Foreign currency translation adjustment	(1)	(3)
Total comprehensive income	31,642	17,120
Net income available to common stockholders:
Net income	31,643	17,073
Less: Net income allocated to unvested participating restricted stock	(1,111)	(568)
Net income available to common stockholders - basic	$ 30,532	$ 16,505
Net income available to common stockholders per share:
Basic (USD per share)	$ 1.76	$ 0.93
Diluted (USD per share)	$ 1.73	$ 0.92
Weighted average shares outstanding:
Basic (in shares)	17,343	17,703
Diluted (in shares)	17,690	17,845
Dividends declared per common share (USD per share)	$ 0.69	$ 0.63
Dividends paid per common share (USD per share)	$ 0.63	$ 0.97
Franchise revenues
Revenues:
Revenue from contract with customer, excluding assessed Tax	$ 168,926	$ 155,313
Royalties, franchise fees and other
Revenues:
Revenue from contract with customer, excluding assessed Tax	96,296	91,477
Advertising revenue
Revenues:
Revenue from contract with customer, excluding assessed Tax	72,630	63,836
Company restaurant sales
Revenues:
Revenue from contract with customer, excluding assessed Tax	35,735	0
Financing revenues
Revenues:
Revenue from contract with customer, excluding assessed Tax	1,810	2,009
Advertising fees
Revenues:
Revenue from contract with customer, excluding assessed Tax	72,630	63,836
Cost of revenues:
Franchise expenses:	72,630	63,836
Other franchise expenses
Cost of revenues:
Franchise expenses:	$ 7,673	$ 18,036