Goodwill and Other Intangibles (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Change in goodwill

Balance at December 31, 2012	$	758,410
Activity	(2,185		)
Balance at December 31, 2013	756,225
Activity	159
Balance at December 31, 2014	$	756,384

Amortizable intangibles

	Cost of Amortizable Intangibles				Accumulated Amortization (Expense) Benefit						Net Amortizable Intangibles
	December 31, 2014		December 31, 2013		December 31, 2014			December 31, 2013			December 31, 2014		December 31, 2013
Amortizable intangible assets:
Favorable leases	$	49,780	$	50,910	$	(35,145	)	$	(32,463	)	$	14,635	$	18,447
Non-compete agreements	617		647		(344		)	(428		)	273		219
Total amortizable intangible assets	$	50,397	$	51,557	$	(35,489	)	$	(32,891	)	$	14,908	$	18,666
Unfavorable leases	$	49,200	$	49,380	$	40,263		$	36,758		$	8,937	$	12,622

Estimated net amortization of intangibles

	Amortization Expense			Amortization Benefit		Total Amortization (Expense) Benefit
2015	$	(2,656	)	$	2,772	$	116
2016	(2,301		)	2,055		(246		)
2017	(1,885		)	1,493		(392		)
2018	(1,422		)	923		(499		)
2019	(1,200		)	712		(488		)
Total	$	(9,464	)	$	7,955	$	(1,509	)