Deferred Financing and Leasing Costs Finite-Lived Intangible Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Deferred financing costs, gross	$ 11,917,000	$ 11,917,000
Below Market Lease, Net	6,100,000	7,500,000
Amortization of above and below Market Leases	$ (1,900,000)	$ (2,800,000)	$ (290,000)
Above Market Leases [Member]
Finite-Lived Intangible Assets [Line Items]
Remaining Amortization Period	3 years 8 months
Leases, Acquired-in-Place [Member]
Finite-Lived Intangible Assets [Line Items]
Remaining Amortization Period	4 years 5 months 2 days
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	$ 16,378,000