CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net income	$ 486,278	$ 424,587
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization of real estate, in-place lease and other intangibles: Continuing operations	267,305	279,774
Depreciation and amortization of real estate, in-place lease and other intangibles: Discontinued operations	0	2,934
Amortization of deferred compensation	7,092	9,505
Amortization of deferred financing costs	7,702	10,561
Straight-line rents	(8,176)	(11,117)
Equity (income) loss from unconsolidated joint ventures	(3,509)	1,975
Distributions of earnings from unconsolidated joint ventures	18,528	3,202
Gain on sales of real estate, net	(317,670)	(119,614)
Allowance for loan losses	56,682	0
Deferred income tax (benefit) expense	(12,472)	49,156
Foreign exchange and other gains, net	(845)	(91)
Gain on sale of marketable securities	(50,895)	0
Other non-cash items	(1,478)	(1,502)
Changes in:
Accounts receivable, net	(2,002)	(2,871)
Other assets, net	(6,775)	(2,892)
Accounts payable and accrued liabilities	(8,176)	23,305
Net cash provided by operating activities	431,589	666,912
Cash flows from investing activities:
Acquisitions of real estate	(26,446)	(94,271)
Development of real estate	(157,898)	(204,624)
Leasing costs and tenant and capital improvements	(48,575)	(41,161)
Proceeds from sales of real estate, net	1,195,860	96,652
Contributions to unconsolidated joint ventures	(21,302)	(10,156)
Distributions in excess of earnings from unconsolidated joint ventures	1,609	6,421
Net proceeds from the RIDEA II transaction (Note 4)	480,614	0
Proceeds from the sales of Four Seasons investments	135,538	0
Principal repayments on direct financing leases, loans receivable and other	414,221	205,576
Investments in loans receivable and other	(18,433)	(122,113)
Decrease in restricted cash	2,398	10,058
Net cash provided by (used in) investing activities	1,957,586	(153,618)
Cash flows from financing activities:
Net (repayments) borrowings under bank line of credit	(441,581)	642,898
Repayments under bank line of credit	(339,826)	(135,000)
Repayment of term loans	(234,459)	0
Repayments of senior unsecured notes	(250,000)	(500,000)
Issuance of mortgage and other debt	5,395	0
Repayments of mortgage and other debt	(481,667)	(246,387)
Issuance of common stock and exercise of options	13,887	45,924
Repurchase of common stock	(4,361)	(3,874)
Dividends paid on common stock	(347,118)	(537,061)
Issuance of noncontrolling interests	650	3,225
Distributions to noncontrolling interests	(13,087)	(12,473)
Net cash used in financing activities	(2,092,167)	(742,748)
Effect of foreign exchange on cash and cash equivalents	227	(596)
Net increase (decrease) in cash and cash equivalents	297,235	(230,050)
Cash and cash equivalents, beginning of period	94,730	346,500
Cash and cash equivalents, end of period	$ 391,965	$ 116,450