Consolidated Statements of Income and Comprehensive Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Operating Income (Loss) [Abstract]
Rental revenues	$ 31,003		$ 32,005
Rental expenses	24,269		24,537
Financing expenses	0		655
Financing revenues	3,837		4,283
Segment Revenues:
Franchise and restaurant revenues	128,329		209,294
Total segment revenues	163,169		245,582
Segment Expenses:
Franchise and restaurant expenses	44,476		111,815
Total segment expenses	68,745		137,007
Gross segment profit	94,424		108,575
General and administrative expenses	34,032		39,632
Interest expense	25,295		30,221
Amortization of intangible assets	3,071		3,075
Impairment and closure charges	838		722
Loss on extinguishment of debt	(20)	[1]	(2,611)	[1]
Debt modification costs	1,296		0
Gain on disposition of assets	(318)		(16,733)
Income before income taxes	30,190		49,047
Income tax provision	(11,951)		(17,703)
Net income	18,239		31,344
Other comprehensive (loss) income, net of tax:
Adjustment to unrealized loss on available-for-sale investments	0		140
Foreign currency translation adjustment	(4)		2
Total comprehensive income	18,235		31,486
Net income available to common stockholders:
Net income	18,239		31,344
Less: Net income allocated to unvested participating restricted stock	(329)		(796)
Less: Accretion of Series B Convertible Preferred Stock	0		(668)
Net income available to common stockholders	$ 17,910		$ 29,880
Net income available to common stockholders per share:
Basic (per share)	$ 0.95		$ 1.69
Diluted (per share)	$ 0.93		$ 1.64
Weighted average shares outstanding:
Basic (in shares)	18,911		17,682
Diluted (in shares)	19,193		18,651
Dividends declared per common share	$ 0.75		$ 0
Dividends paid per common share	$ 0.75		$ 0

[1] Including write-off of the discount and deferred financing costs related to the debt retired.