CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2019	Mar. 31, 2018
Operating activities:
Net income		$ 292,302	$ 453,555
Adjustments to reconcile net income to net cash provided from (used in) operating activities:
Depreciation and amortization		243,932	228,201
Other amortization expenses		5,878	4,171
Provision for loan losses		18,690	0
Impairment of assets		0	28,185
Stock-based compensation expense		7,529	11,557
Loss (gain) on derivatives and financial instruments, net		(2,487)	(7,173)
Loss (gain) on extinguishment of debt, net		15,719	11,707
Loss (income) from unconsolidated entities		9,199	2,429
Rental income less than (in excess of) cash received		(26,956)	(21,406)
Amortization related to above (below) market leases, net		114	718
Loss (gain) on real estate dispositions, net		(167,409)	(338,184)
Increase (decrease) in accrued expenses and other liabilities		(27,368)	(10,707)
Decrease (increase) in receivables and other assets		(25,248)	5,591
Net cash provided from (used in) operating activities		343,895	368,644
Investing activities:
Cash disbursed for acquisitions		(237,610)	(405,609)
Cash disbursed for capital improvements to existing properties		(56,935)	(46,547)
Cash disbursed for construction in progress		(55,391)	(22,735)
Capitalized interest		(2,327)	(2,336)
Investment in real estate loans receivable		(42,964)	(27,547)
Principal collected on real estate loans receivable		6,349	90,731
Other investments, net of payments		(9,456)	(49,279)
Contributions to unconsolidated entities		(26,854)	(14,366)
Distributions by unconsolidated entities		19,724	14,880
Proceeds from (payments on) derivatives		0	(8,324)
Proceeds from sales of real property		602,732	892,209
Net cash provided from (used in) investing activities		197,268	421,077
Financing activities:
Net increase (decrease) in unsecured credit facility and commercial paper		(727,707)	146,000
Proceeds from issuance of senior unsecured notes		1,036,964	0
Payments to extinguish senior unsecured notes		(1,050,000)	(450,000)
Net proceeds from the issuance of secured debt		247,163	20,326
Payments on secured debt		(128,113)	(197,655)
Net proceeds from the issuance of common stock		533,543	7,214
Payments for deferred financing costs and prepayment penalties		(19,566)	(14,341)
Contributions by noncontrolling interests	[1]	27,860	5,734
Distributions to noncontrolling interests	[1]	(21,830)	(12,564)
Cash distributions to stockholders		(342,803)	(335,508)
Other financing activities		(7,716)	(4,555)
Net cash provided from (used in) financing activities		(452,205)	(835,349)
Effect of foreign currency translation on cash, cash equivalents and restricted cash		2,352	444
Increase (decrease) in cash, cash equivalents and restricted cash		91,310	(45,184)
Cash, cash equivalents and restricted cash at beginning of period		316,129	309,303
Cash, cash equivalents and restricted cash at end of period		407,439	264,119
Supplemental cash flow information:
Interest paid		148,487	104,246
Income taxes paid (received), net		$ (250)	$ (721)

[1] Includes amounts attributable to redeemable noncontrolling interests.