Deferred Financing and Leasing Costs Intangible Amortization Schedule (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Acquired Finite-Lived Intangible Assets [Line Items]
Deferred financing and leasing costs, net	$ 192,109	$ 192,764
Leases, Acquired-in-Place, Market Adjustment [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
2016	1,804
2017	1,705
2018	1,222
2019	709
2020	(115)
Thereafter	(1,641)
Deferred financing and leasing costs, net	3,684
Leases, Acquired-in-Place [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
2016	16,378
2017	11,950
2018	7,640
2019	4,134
2020	2,119
Thereafter	4,906
Deferred financing and leasing costs, net	$ 47,127