Investments in Unconsolidated Joint Ventures (Combined Financial Information Income Statement) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Equity method investment, summarized financial information, income statement [Abstract]
Revenues	$ 96,763	$ 91,914
Maintenance, taxes, utilities, promotion, and other operating expenses	28,322	26,995
Interest expense	21,596	21,229
Depreciation and amortization	15,299	12,752
Total operating costs	65,217	60,976
Nonoperating income, net	246	8
Net income	31,792	30,946
Net income attributable to TRG	17,459	17,053
Realized intercompany profit, net of depreciation on TRG’s basis adjustments	1,506	508
Depreciation of TCO's additional basis	(487)	(486)
Equity in income of Unconsolidated Joint Ventures	18,478	17,075
Beneficial interest in Unconsolidated Joint Ventures’ operations:
Revenues less maintenance, taxes, utilities, promotion, and other operating expenses	39,341	36,506
Interest expense	(11,528)	(11,363)
Depreciation and amortization	$ (9,335)	$ (8,068)