Nature of Business and Financial Statement Presentation (Policies)	6 Months Ended
	Jun. 30, 2011
Nature of Business and Financial Statement Presentation (Policies) [Abstract]
Principles of Consolidation	The Company follows the provisions of Accounting Standards Codification No. 810, Consolidation (“ASC 810”). This standard requires a company to perform an analysis to determine whether its variable interests give it a controlling financial interest in a Variable Interest Entity (“VIE”). This analysis identifies the primary beneficiary of a VIE as the entity that has (a) the power to direct the activities of the VIE that most significantly affect the VIE’s economic performance and (b) the obligation to absorb losses or the right to receive benefits that could potentially be significant to the VIE. In determining whether it has the power to direct the activities of the VIE that most significantly affect the VIE’s performance, this standard requires a company to assess whether it has an implicit financial responsibility to ensure that a VIE operates as designed. At June 30, 2011 and December 31, 2010, the Company’s investments in consolidated real estate joint ventures that are deemed to be VIEs in which the Company is deemed to be the primary beneficiary have total real estate assets of $384.9 million and $374.2 million, respectively, mortgages of $41.8 million and $42.9 million, respectively, and other liabilities of $14.8 million and $13.7 million, respectively.
Use of Estimates	The preparation of financial statements in accordance with generally accepted accounting principles requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements and reported amounts of revenues and expenses during the reporting period. Actual results could differ from these estimates.
Unaudited Interim Financial Statements	These financial statements have been prepared by the Company in accordance with generally accepted accounting principles for interim financial information and the applicable rules and regulations of the Securities and Exchange Commission. Accordingly, they do not include all information and footnotes required by generally accepted accounting principles for complete financial statements. However, in the opinion of management, the interim financial statements include all adjustments, consisting of only normal recurring adjustments, necessary for a fair statement of the results of the periods presented. The results of operations for the three- and six-month periods ended June 30, 2011 and 2010, are not necessarily indicative of the results that may be expected for the full year. These condensed consolidated financial statements should be read in conjunction with the Company’s audited financial statements and notes thereto included in the Company’s Form 10-K for the year ended December 31, 2010.

Describes an entity's accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. An entity also may describe its accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.

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