Investment in Unconsolidated Affiliated Real Estate Entity (Unaudited Condensed Income Statement) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014
Schedule of Equity Method Investments [Line Items]
Company's equity earnings	$ (35)	$ (135)
1407 Broadway Mezz II, LLC [Member]
Schedule of Equity Method Investments [Line Items]
Total revenue	10,257	9,982
Property operating expenses	7,239	8,008
Depreciation and amortization	2,022	1,666
Operating income	996	308
Interest expense and other, net	(1,135)	(709)
Net loss	(139)	(401)
Company's equity earnings	$ (35)	$ (135)

Equity Method Investment Summarized Financial Information Depreciation And Amortization

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Equity Method Investment, Summarized Financial Information, Nonoperating Income (Expense)

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Equity Method Investment, Summarized Financial Information, Operating Income (Loss)

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Equity Method Investment, Summarized Financial Information, Property Operating Expenses

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- Definition

The amount of net income (loss) reported by an equity method investment of the entity.

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The amount of revenue from sale of goods and services reduced by sales returns, allowances, and discounts reported by an equity method investment of the entity.

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This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee.

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