Deferred Costs - Deferred Costs (Assets) (Details) - USD ($) $ in Thousands		Dec. 31, 2015	Dec. 31, 2014
Components of Deferred Costs Net [Abstract]
Leasing costs, Total Cost		$ 165,741	$ 164,081
Total Cost		169,319	168,669
Leasing costs, Accumulated Amortization		(67,342)	(64,065)
Total, Accumulated Amortization		(67,900)	(67,408)
Leasing costs, Deferred Costs, net		98,399	100,016
Deferred Costs		101,419	101,261
Financing costs, Deferred Costs, net		22,595
Revolving Credit Facility
Components of Deferred Costs Net [Abstract]
Financing costs, Total Cost	[1]	3,578	4,588
Financing costs, Accumulated Amortization	[1]	(558)	3,343
Financing costs, Deferred Costs, net	[1]	$ 3,020	$ 1,245

[1] During the fourth quarter of 2015, the Company adopted accounting guidance related to the presentation of deferred financing costs on the balance sheet and reclassified amounts from the deferred costs line to net against the debt liability for all periods presented. Only deferred financing costs associated with our credit facility remain in deferred costs (assets) on the consolidated balance sheets. See Note 2, “Summary of Significant Accounting Policies,” for revisions to the accounting guidance for deferred financing costs.