CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net income (loss)	$ 12,702	$ 239,091
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization of real estate, in-place lease and other intangibles	469,191	418,740
Amortization of deferred compensation	14,529	13,098
Amortization of deferred financing costs	8,174	9,760
Straight-line rents	(16,220)	(20,888)
Equity loss (income) from unconsolidated joint ventures	10,012	442
Distributions of earnings from unconsolidated joint ventures	12,001	17,519
Deferred income tax expense (benefit)	(14,468)	(12,831)
Impairments (recoveries), net	115,653	19,180
Loss on extinguishment of debt	36,152	43,899
Loss (gain) on sales of real estate, net	(18,708)	(162,211)
Loss (gain) on consolidation, net	(11,481)	41,017
Casualty-related loss (recoveries), net	(4,406)	0
Other non-cash items	(1,157)	(1,033)
Decrease (increase) in accounts receivable and other assets, net	(31,445)	(4,665)
Increase (decrease) in accounts payable, accrued liabilities and deferred revenue	48,072	31,800
Net cash provided by (used in) operating activities	628,601	632,918
Cash flows from investing activities:
Acquisitions of real estate	(1,315,168)	(315,392)
Development and redevelopment of real estate	(441,416)	(341,906)
Leasing costs, tenant improvements, and recurring capital expenditures	(62,840)	(70,237)
Proceeds from sales of real estate, net	165,683	686,222
Contributions to unconsolidated joint ventures	(14,067)	(10,815)
Distributions in excess of earnings from unconsolidated joint ventures	16,166	19,631
Proceeds from insurance recovery	9,359	0
Proceeds from the RIDEA II transaction, net	0	335,709
Proceeds from the U.K. JV transaction, net	0	393,997
Proceeds from sales/principal repayments on debt investments and direct financing leases	274,025	147,435
Investments in loans receivable, direct financing leases and other	(73,256)	(27,110)
Net cash provided by (used in) investing activities	(1,441,514)	817,534
Cash flows from financing activities:
Borrowings under bank line of credit	2,690,000	1,203,000
Repayments under bank line of credit	(2,030,000)	(1,580,668)
Issuance and borrowings of debt, excluding bank line of credit	1,296,607	223,587
Repayments and repurchase of debt, excluding bank line of credit	(1,308,596)	(927,869)
Borrowings under term loan	250,000	0
Payments for debt extinguishment and deferred financing costs	(53,225)	(41,552)
Issuance of common stock and exercise of options	510,677	4,686
Repurchase of common stock	(4,931)	(3,342)
Dividends paid on common stock	(536,660)	(522,566)
Issuance of noncontrolling interests	33,318	298,929
Distributions to and purchase of noncontrolling interests	(18,942)	(78,364)
Net cash provided by (used in) financing activities	828,248	(1,424,159)
Effect of foreign exchanges on cash, cash equivalents and restricted cash	(77)	245
Net increase (decrease) in cash, cash equivalents and restricted cash	15,258	26,538
Cash, cash equivalents and restricted cash, beginning of period	139,846	82,203
Cash, cash equivalents and restricted cash, end of period	$ 155,104	$ 108,741