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Mortgage Notes Payable - Premiums and Discounts (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Mortgage loans payable on real estate
Debt premiums (discounts), net	$ 8,905	$ 18,408
Arrowhead Towne Center
Mortgage loans payable on real estate
Debt premiums	0	8,494
Deptford Mall One
Mortgage loans payable on real estate
Debt discounts	0	(3)
Fashion Outlets of Niagara Falls USA
Mortgage loans payable on real estate
Debt premiums	4,254	4,486
Stonewood Center Mortgage
Mortgage loans payable on real estate
Debt premiums	4,467	5,168
Superstition Springs Center
Mortgage loans payable on real estate
Debt premiums	$ 184	$ 263

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The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
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