Intangible Assets Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Document Fiscal Year Focus	2015	2014	2013
Intangible Assets:
In-place leases, net of accumulated amortization of $88,035 and $62,302 in 2015 and 2014, respectively	$ 112,937	$ 147,360
Above-market tenant leases, net of accumulated amortization of $15,423 and $13,748 in 2015 and 2014, respectively	8,031	12,017
Goodwill	3,647	3,867	$ 4,131
Total Other Assets	124,615	163,244
Accumulated Amortization of Finite Lived Intangible Asset Acquired in Place Leases	88,035	62,302
Accumulated Amortization of Finite Lived Intangible Assets Above Market Leases	$ 15,423	$ 13,748