Schedule III - Consolidated Real Estate and Accumulated Depreciation and Amortization - Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Investment in real estate, gross [Roll Forward]
Beginning balance	$ 10,030,708	$ 9,829,208	$ 8,998,120
Property acquisitions	368,698	0	707,120
Consolidation of JV	924,578	0	0
Improvements and developments	242,854	277,229	177,655
Removal of fully depreciated and amortized tenant improvements and lease intangibles	(88,205)	(75,729)	(53,687)
Ending balance	11,478,633	10,030,708	9,829,208
Accumulated depreciation and amortization [Roll Forward]
Beginning balance	(2,246,887)	(2,012,752)	(1,789,678)
Depreciation and amortization	(357,743)	(309,864)	(276,761)
Other accumulated depreciation and amortization	(1,990)	0	0
Removal of fully depreciated and amortized tenant improvements and lease intangibles	88,205	75,729	53,687
Ending balance	(2,518,415)	(2,246,887)	(2,012,752)
Investment in real estate, net	$ 8,960,218	$ 7,783,821	$ 7,816,456