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Organization and Summary of Significant Accounting Policies (Gross Intangible Assets and Liabilities) (Details) - USD ($) $ in Thousands | Sep. 30, 2017 | Dec. 31, 2016
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Value of above-market in-place leases, net |  |
Intangible lease assets (included in Other assets): |  |
Intangible lease assets (included in Other assets): | $ 7,584 | $ 9,591
Value of in-place leases, net |  |
Intangible lease assets (included in Other assets): |  |
Intangible lease assets (included in Other assets): | 46,805 | 55,290
Value of below-market in-place leases, net |  |
Intangible lease liabilities (included in Other liabilities): |  |
Intangible lease liabilities (included in Other liabilities): | $ 19,673 | $ 22,100

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- Definition Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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