Mortgage Notes Payable - Footnotes (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Dec. 31, 2019
Mortgage loans payable on real estate
Unamortized deferred finance costs	$ 15,053	$ 16,042
Green Acres Commons
Mortgage loans payable on real estate
Effective interest rate	4.29%	4.40%
Chandler Freehold
Mortgage loans payable on real estate
Percentage of loan assumed by third party	49.90%
Fashion Outlets of Niagara Falls USA
Mortgage loans payable on real estate
Debt premiums	$ 541	$ 773
Green Acres Commons
Mortgage loans payable on real estate
Interest rate spread over basis	2.15%
Santa Monica Place
Mortgage loans payable on real estate
Interest rate spread over basis	1.35%
Effective interest rate	2.30%	3.34%
Santa Monica Place \| Maximum \| Cap
Mortgage loans payable on real estate
Interest rate spread over basis	4.00%

Portion of the loan assumed by a third party.

No definition available.

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- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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- Definition

Amount, after accumulated amortization, of debt premium.

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- Definition

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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