Mortgage Notes Payable (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Debt Instrument [Line Items]
Total mortgage notes payable	$ 62,265	$ 71,303
Notes Payable
Debt Instrument [Line Items]
Long term debt	62,041	70,683
Mortgage premiums	570	1,037
Net unamortized deferred financing costs	(346)	(417)
Total mortgage notes payable	$ 62,265	71,303
Notes Payable \| Bernardo Heights Plaza
Debt Instrument [Line Items]
Interest Rate	5.70%
Long term debt	$ 0	8,216
Notes Payable \| Santa Teresa Village
Debt Instrument [Line Items]
Interest Rate	6.20%
Long term debt	$ 10,200	10,383
Notes Payable \| Magnolia Shopping Center
Debt Instrument [Line Items]
Interest Rate	5.50%
Long term debt	$ 8,998	9,135
Notes Payable \| Casitas Plaza Shopping Center
Debt Instrument [Line Items]
Interest Rate	5.32%
Long term debt	$ 7,343	7,449
Notes Payable \| Diamond Hills Plaza
Debt Instrument [Line Items]
Interest Rate	3.55%
Long term debt	$ 35,500	$ 35,500

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Amount, after accumulated amortization, of debt premium.

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Amount, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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