Favorable and Unfavorable Acquired Lease Contracts (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Other Intangible assets, net
Amortization period for unfavorable lease contracts	7 years
Favorable
Accumulated (amortization ) accretion	$ (20,181)	$ (6,372)
Intangible assets, net	106,222	122,631
Unfavorable
Acquired fair value of lease contracts	(92,093)	(98,290)
Accumulated (amortization ) accretion	17,963	6,065
Total acquired fair value of lease contracts, net	(74,130)	(92,225)
Amortization expense	16,812	4,024	260
Expected future amortization of lease contract rights
2014	15,171
2015	15,137
2016	14,569
2017	7,196
2018	5,306
2019 and Thereafter	48,844
Intangible assets, net	106,222	122,631
Expected future (accretion) of lease contract rights
2014	(12,301)
2015	(11,061)
2016	(10,312)
2017	(9,117)
2018	(7,394)
2019 and Thereafter	(23,945)
Total acquired fair value of lease contracts, net	(74,130)	(92,225)
Expected future amortization (accretion) of lease contract rights
2014	(562)
2015	(1,412)
2016	(1,753)
2017	(2,611)
2018	(3,335)
2019 and Thereafter	(4,423)
Total	(14,096)
Favorable lease contracts
Other Intangible assets, net
Weighted average useful life	10 years 1 month 6 days
Favorable
Acquired fair value of lease contracts	77,621	80,235
Accumulated (amortization ) accretion	(17,587)	(5,522)
Intangible assets, net	60,034	74,713
Unfavorable
Amortization expense	4,298	609	0
Expected future amortization of lease contract rights
2014	11,739
2015	9,649
2016	8,559
2017	6,506
2018	4,059
2019 and Thereafter	19,522
Intangible assets, net	$ 60,034	$ 74,713