Summary Of Significant Accounting Policies and Recent Accounting Pronouncements Summary of Significant Accounting Policies and Recent Accounting Pronouncements (Revenues from below market leases and Expenses from In-place leases) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Accounting Policies [Abstract]
Revenues related to below market leases	$ 0.2	$ 0.4
Amortization of in-place leases	$ 1.0	$ 1.9