Intangible Assets, Net (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Intangible assets, net	$ 166,756	$ 118,097
Lease In Place Value
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	189,840	117,383
Intangible assets, accumulated amortization	(53,263)	(33,919)
Intangible assets, net	136,577
Above Market Leases
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	46,106	43,094
Intangible assets, accumulated amortization	(17,021)	(10,544)
Other Intangible Assets
Finite-Lived Intangible Assets [Line Items]
Intangible assets, gross	3,011	3,000
Intangible assets, accumulated amortization	$ (1,917)	$ (917)