CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash flows from operating activities:
Net income	$ 80,098	$ 199,148
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	233,150	217,783
Amortization of deferred revenue and lease intangibles, net	(3,865)	(5,015)
Other non-cash amortization	3,777	2,460
Stock-based compensation	7,124	6,701
Straight-lining of rental income, net	(3,622)	(5,377)
Loss on extinguishment of debt, net	10,977	309
Gain on real estate dispositions	(48)	(43,289)
Loss on real estate loan investments	9	0
Income tax benefit	(3,675)	(4,145)
Loss (income) from unconsolidated entities	40,739	(123)
Gain on re-measurement of equity interest upon acquisition, net	0	(3,027)
Distributions from unconsolidated entities	1,389	2,380
Other	(90)	652
Changes in operating assets and liabilities:
Decrease in other assets	5,263	6,369
Decrease in accrued interest	(16,524)	(4,741)
Decrease in accounts payable and other liabilities	(46,683)	(24,271)
Net cash provided by operating activities	308,019	345,814
Cash flows from investing activities:
Net investment in real estate property	(11,450)	(283,837)
Investment in loans receivable and other	(4,381)	(701,358)
Proceeds from real estate disposals	175,370	85,000
Proceeds from loans receivable	143,094	3,363
Development project expenditures	(73,889)	(86,452)
Capital expenditures	(20,617)	(23,835)
Investment in unconsolidated entities	(39,101)	(26,940)
Insurance proceeds for property damage claims	1,527	1,393
Net cash provided by (used in) investing activities	170,553	(1,032,666)
Cash flows from financing activities:
Net change in borrowings under revolving credit facilities	273,843	22,822
Proceeds from debt	738,519	797,214
Repayment of debt	(1,217,118)	(20,496)
Purchase of noncontrolling interests	0	(15,809)
Payment of deferred financing costs	(6,318)	(6,384)
Cash distribution to common stockholders	(281,635)	(275,368)
Cash distribution to redeemable OP unitholders	(1,858)	(1,893)
Cash issued for redemption of OP and Class C Units	(655)	0
Contributions from noncontrolling interests	0	2,102
Distributions to noncontrolling interests	(3,339)	(2,410)
Other	(4,687)	3,297
Net cash (used in) provided by financing activities	(503,248)	503,075
Net decrease in cash, cash equivalents and restricted cash	(24,676)	(183,777)
Effect of foreign currency translation	5	(118)
Cash, cash equivalents and restricted cash at beginning of period	188,253	367,354
Cash, cash equivalents and restricted cash at end of period	163,582	183,459
Assets and liabilities assumed from acquisitions and other:
Real estate investments	28,910	188,919
Utilization of funds held for an Internal Revenue Code Section 1031 exchange	0	(84,995)
Other assets	4,112	(373)
Debt	0	52,462
Other liabilities	15,938	68,676
Deferred income tax liability	0	(19,564)
Noncontrolling interest	0	1,977
Equity issued for redemption of OP and Class C units	$ 266	$ 22,071