Leasing (Tables)

12 Months Ended

Dec. 31, 2014

Leases [Abstract]

Future minimum lease payments for operating leases and capital leases

	Operating Leases				Capital Leases
	Related Parties		Non-Related Parties		Non-Related Parties		Total
2015	$	4,621	$	247,477	$	25	$	252,123
2016	4,659		234,267		—		238,926
2017	4,526		216,739		—		221,265
2018	4,318		191,781		—		196,099
2019	2,756		169,271		—		172,027
Thereafter	8,917		932,179		—		941,096
Total	$	29,797	$	1,991,714	$	25	$	2,021,536

Schedule of net rent expense

	For the Year Ended   December 31,
	2014		2013		2012
Minimum operating lease expense	$	254,565	$	247,039	$	234,113
Contingent rents	759		701		744
Other lease related occupancy costs	11,688		11,257		10,043
Total rent expense	267,012		258,997		244,900
Less: sublease income	3,984		4,105		4,031
Net rent expense	$	263,028	$	254,892	$	240,869