CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities:
Net income	$ 352,679	$ 967,307
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	675,363	655,298
Amortization of deferred revenue and lease intangibles, net	(26,001)	(16,283)
Other non-cash amortization	13,527	11,186
Stock-based compensation	20,761	19,923
Straight-lining of rental income, net	19,983	(17,384)
Loss on extinguishment of debt, net	50,411	856
Gain on real estate dispositions	(35,893)	(502,288)
Gain on real estate loan investments	(13,202)	(124)
Income tax benefit	(13,464)	(15,619)
Loss (income) from unconsolidated entities	47,826	(767)
Gain on re-measurement of equity interest upon acquisition, net	0	(3,027)
Distributions from unconsolidated entities	2,734	3,909
Other	390	7,439
Changes in operating assets and liabilities:
Increase in other assets	(34,879)	(21,612)
(Decrease) increase in accrued interest	(17,508)	12,688
Decrease in accounts payable and other liabilities	(25,105)	(19,277)
Net cash provided by operating activities	1,017,622	1,082,225
Cash flows from investing activities:
Net investment in real estate property	(35,800)	(346,491)
Investment in loans receivable	(212,089)	(734,033)
Proceeds from real estate disposals	331,243	614,753
Proceeds from loans receivable	866,313	84,361
Development project expenditures	(230,348)	(210,423)
Capital expenditures	(73,025)	(83,387)
Distributions from unconsolidated entities	57,430	5,816
Investment in unconsolidated entities	(45,106)	(42,399)
Insurance proceeds for property damage claims	6,327	1,393
Net cash provided by (used in) investing activities	664,945	(710,410)
Cash flows from financing activities:
Net change in borrowings under revolving credit facilities	41,292	384,738
Proceeds from debt	2,412,420	1,058,437
Repayment of debt	(3,294,104)	(1,225,525)
Purchase of noncontrolling interests	(2,429)	(15,809)
Payment of deferred financing costs	(16,583)	(26,426)
Issuance of common stock, net	0	73,596
Cash distribution to common stockholders	(845,248)	(827,285)
Cash distribution to redeemable OP Unitholders	(5,594)	(5,677)
Cash issued for redemption of OP and Class C Units	(1,370)	0
Contributions from noncontrolling interests	500	4,402
Distributions to noncontrolling interests	(9,968)	(9,248)
Other	(736)	10,543
Net cash used in financing activities	(1,721,820)	(578,254)
Net decrease in cash, cash equivalents and restricted cash	(39,253)	(206,439)
Effect of foreign currency translation	(453)	670
Cash, cash equivalents and restricted cash at beginning of period	188,253	367,354
Cash, cash equivalents and restricted cash at end of period	148,547	161,585
Assets and liabilities assumed from acquisitions and other:
Real estate investments	29,106	206,771
Utilization of funds held for an Internal Revenue Code Section 1031 exchange	0	(84,995)
Other assets	4,112	(5,546)
Debt	0	64,629
Other liabilities	16,134	64,090
Deferred income tax liability	0	(16,116)
Noncontrolling interest	0	3,627
Equity issued for redemption of OP and Class C units	$ 266	$ 22,694