Investments in Unconsolidated Joint Ventures (Combined Financial Information Income Statement) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Equity method investment, summarized financial information, income statement [Abstract]
Revenues									$ 378,280	$ 338,017	$ 294,720
Maintenance, taxes, utilities, promotion, and other operating expenses									118,909	106,249	92,901
Interest expense									85,198	74,806	68,998
Depreciation and amortization									55,318	47,377	36,644
Total operating costs									259,425	228,432	$ 198,543
Nonoperating expense									(1)	(22)
Net income									118,854	109,563	$ 96,177
Net income attributable to TRG									65,384	60,690	53,166
Realized intercompany profit, net of depreciation on TRG’s basis adjustments									4,542	3,258	1,245
Depreciation of TCO's additional basis									(1,946)	(1,946)	(1,946)
Beneficial interest in UJV impairment charge - Miami Worldcenter									(11,754)
Equity in income of Unconsolidated Joint Ventures	$ 9,928	$ 15,219	$ 14,004	$ 17,075	$ 20,780	$ 14,479	$ 14,675	$ 12,068	56,226	62,002	52,465
Beneficial interest in Unconsolidated Joint Ventures’ operations:
Revenues less maintenance, taxes, utilities, promotion, and other operating expenses									147,905	132,652	114,939
Interest expense									(45,564)	(40,416)	(37,554)
Depreciation and amortization									$ (34,361)	$ (30,234)	$ (24,920)