Investments in Unconsolidated Joint Ventures (Combined Financial Information Income Statement) (USD $) In Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Equity method investment, summarized financial information, income statement [Abstract]
Revenues	$ 62,918	$ 63,722	$ 126,277	$ 127,062
Maintenance, taxes, utilities, promotion, and other operating expenses	20,769	22,845	41,006	43,675
Interest expense	13,949	15,916	29,545	31,734
Depreciation and amortization	8,952	8,880	18,137	18,172
Total operating costs	43,670	47,641	88,688	93,581
Nonoperating income	5	(11)	10	1
Net income	19,253	16,070	37,599	33,482
Net income attributable to TRG	10,825	9,345	21,294	19,238
Realized intercompany profit, net of depreciation on TRG's basis adjustments	546	646	710	975
Depreciation of TCO's additional basis	(485)	(486)	(972)	(973)
Equity in income of Unconsolidated Joint Ventures	10,886	9,505	21,032	19,240
Beneficial interest in Unconsolidated Joint Ventures' operations:
Revenues less maintenance, taxes, utilities, promotion, and other operating expenses	23,511	23,076	47,220	46,491
Interest expense	(7,247)	(8,248)	(15,324)	(16,450)
Depreciation and amortization	(5,378)	(5,323)	(10,864)	(10,801)
Equity in income of Unconsolidated Joint Ventures	$ 10,886	$ 9,505	$ 21,032	$ 19,240

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This item represents the charge in the period due to depreciation of the Company's additional basis, which is allocated to depreciable assets and recognized on a straight-line basis over 40 years.

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This item represents the difference between the amount of net income attributable to the operating partnership, and the equity in income of unconsolidated joint ventures as reported on the Consolidated Statement of Operations. The difference is due to realized intercompany profit, net of depreciation on the operating partnership's basis adjustments. The Operating Partnership's differences in bases are amortized over the useful lives of the related assets.

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This item represents the entity's proportionate share for the period of the depreciation and amortization of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied, adjusted to eliminate intercompany gains and losses, and includes amortization of any difference between cost and underlying equity in net assets of the investee at the date of investment.

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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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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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