Investment in Unconsolidated Ventures (Details 1) (USD $) In Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Summary of results of operations of Real Estate Ventures
Company's share of income (Company's basis)	$ 1,088	$ 1,025	$ 2,321	$ 2,321
Unconsolidated real estate ventures [Member]
Summary of results of operations of Real Estate Ventures
Revenue	32,722	30,528	72,398	54,598
Operating expenses	14,370	10,305	30,544	19,001
Interest expense, net	9,550	9,270	21,673	17,008
Depreciation and amortization	8,487	8,302	18,968	14,524
Net (loss) income	(315)	2,651	(1,213)	4,065
Company's share of income (Company's basis)	$ 1,088	$ 1,025	$ 2,321	$ 2,321

This item represents the disclosure of summarized financial information for unconsolidated subsidiaries and 50 percent-or-less owned entities accounted for using the equity method of accounting. If investments in common stock of corporate joint ventures or other investments accounted for under the equity method are, in the aggregate, material in relation to the financial position or results of operations of an investor, it may be necessary to present summarized information as to assets of the investee, or group of investments for which combined disclosure is appropriate, either by individual financial statement caption or in groups, as appropriate. Such summarized financial information may, at a minimum, include net income or loss.

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- Definition

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. Such amount typically reflects adjustments similar to those made in preparing consolidated statements, including adjustments to eliminate intercompany gains and losses, and to amortize, if appropriate, any difference between cost and underlying equity in net assets of the investee at the date of investment.

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