Mortgage Notes Payable, Credit Facilities and Senior Notes - Mortgage Notes Payable (Details) - Mortgage Notes Payable - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Debt Instrument [Line Items]
Long-term debt	$ 84,864	$ 85,580
Mortgage premiums	632	1,113
Net unamortized deferred financing costs	(142)	(184)
Total mortgage notes payable	$ 85,354	86,509
Casitas Plaza Shopping Center
Debt Instrument [Line Items]
Interest Rate (in percentage)	5.32%
Long-term debt	$ 6,660	6,835
Riverstone Marketplace
Debt Instrument [Line Items]
Interest Rate (in percentage)	4.96%
Long-term debt	$ 16,811	17,245
Fullerton Crossroads
Debt Instrument [Line Items]
Interest Rate (in percentage)	4.728%
Long-term debt	$ 26,000	26,000
Diamond Hills Plaza
Debt Instrument [Line Items]
Interest Rate (in percentage)	3.55%
Long-term debt	$ 35,393	$ 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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