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Organization and Summary of Significant Accounting Policies (Gross Intangible Assets and Liabilities) (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018
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Intangible lease liabilities (included in other liabilities): |  |
Below-market in-place leases | $ 41,737 | $ 41,554
Less: accumulated amortization | (25,595) | (25,258)
Below-market in-place leases, net | 16,142 | 16,296
Above-market in-place leases, net |  |
Intangible lease assets (included in Other assets): |  |
Leases | 15,717 | 15,175
Less: accumulated amortization | (9,604) | (9,239)
Leases, net | 6,113 | 5,936
In-place leases, net |  |
Intangible lease assets (included in Other assets): |  |
Leases | 115,642 | 104,871
Less: accumulated amortization | (62,400) | (60,797)
Leases, net | $ 53,242 | $ 44,074

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