CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net income (loss)	$ (69,755)	$ 485,902
Depreciation and amortization of real estate, in-place lease and other intangibles	234,925	220,521
Amortization of market lease intangibles, net	(636)	(343)
Amortization of deferred compensation	15,724	11,006
Amortization of deferred financing costs, net	9,726	9,474
Straight-line rents	(17,748)	(26,455)
Loan and direct financing lease interest accretion	(46,997)	(39,401)
Deferred rental revenues	(1,004)	(515)
Equity income from unconsolidated joint ventures	(25,602)	(29,220)
Distributions of earnings from unconsolidated joint ventures	2,493	2,655
Lease termination income, net	(1,103)
Gain on sales of real estate	(6,325)	(28,010)
Foreign exchange and other (gains) losses, net	(9,866)	58
Impairments	523,299
Changes in:
Accounts receivable, net	(6,464)	(5,225)
Other assets	(8,473)	(6,136)
Accounts payable and other accrued liabilities	1,792	13,394
Net cash provided by operating activities	593,986	607,705
Cash flows from investing activities:
Acquisition of RIDEA III, net	(770,325)
Acquisitions of other real estate	(477,575)	(285,429)
Development of real estate	(121,510)	(72,334)
Leasing costs and tenant and capital improvements	(28,302)	(27,458)
Proceeds from sales of real estate, net	8,600	36,897
Contributions to unconsolidated joint ventures	(31,512)
Distributions in excess of earnings from unconsolidated joint ventures	1,994	1,113
Principal repayments on loans receivable	53,081	5,547
Investments in loans receivable and other	(276,038)	(46,434)
(Increase) decrease in restricted cash	(3,481)	2,900
Net cash used in investing activities	(1,645,068)	(385,198)
Cash flows from financing activities:
Net borrowings under bank line of credit	186,557	310,000
Borrowings under term loan	333,014
Issuance of senior unsecured notes	1,338,555	350,000
Repayments of senior unsecured notes	(400,000)	(487,000)
Repayments of mortgage and other secured debt	(20,333)	(169,843)
Deferred financing costs	(13,272)	(9,239)
Issuance of common stock and exercise of options	93,118	56,401
Repurchase of common stock	(7,690)	(11,086)
Dividends paid on common and preferred stock	(521,898)	(500,364)
Issuance of noncontrolling interests	3,397	113
Distributions to noncontrolling interests	(8,406)	(7,980)
Net cash provided by (used in) financing activities	983,042	(468,998)
Effect of foreign exchange on cash and cash equivalents		5
Net increase (decrease) in cash and cash equivalents	(68,040)	(246,486)
Cash and cash equivalents, beginning of year	183,810	300,556
Cash and cash equivalents, end of year	$ 115,770	$ 54,070