Investments in Unconsolidated Joint Ventures (Combined Financial Information Income Statement) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Equity method investment, summarized financial information, income statement [Abstract]
Revenues	$ 140,600	$ 96,763
Maintenance, taxes, utilities, promotion, and other operating expenses	48,380	28,322
Interest expense	30,369	21,596
Depreciation and amortization	29,767	15,299
Total operating costs	108,516	65,217
Nonoperating income, net	1,851	246
Income tax expense	(2,943)
Gain on disposition, net of tax (1)	3,713
Net income	34,705	31,792
Net income attributable to TRG	18,422	17,459
Realized intercompany profit, net of depreciation on TRG’s basis adjustments	2,183	1,506
Depreciation of TCO's additional basis	(487)	(487)
Equity in income of Unconsolidated Joint Ventures	20,118	18,478
Beneficial interest in Unconsolidated Joint Ventures’ operations:
Revenues less maintenance, taxes, utilities, promotion, and other operating expenses	51,101	39,341
Interest expense	(15,781)	(11,528)
Depreciation and amortization	(15,652)	$ (9,335)
Income tax expense	(1,633)
Gain on disposition, net of tax (1)	$ 2,083