Organization and Summary of Significant Accounting Policies (Intangible Assets and Liabilities) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Value of above market in-place leases, net
Finite-Lived Intangible Assets [Line Items]
Intangible lease assets (included in Other assets):	$ 11,751	$ 11,803
Value of in-place leases, net
Finite-Lived Intangible Assets [Line Items]
Intangible lease assets (included in Other assets):	65,770	58,456
Value of below market in-place leases, net
Finite-Lived Intangible Assets [Line Items]
Intangible lease liabilities (included in Other liabilities):	$ 29,162	$ 28,708