CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Cash flows from operating activities:
Net income	$ 271,157	$ 259,840
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization (including amounts in discontinued operations)	496,660	385,940
Amortization of deferred revenue and lease intangibles, net	(13,630)	(9,879)
Other non-cash amortization	909	(2,928)
Stock-based compensation	11,192	11,411
Straight-lining of rental income, net	(16,761)	(17,231)
(Gain) loss on extinguishment of debt, net	(434)	2,665
Gain on real estate dispositions (including amounts in discontinued operations)	(14,432)	(14,142)
Gain on sale of marketable securities	(5,800)	0
Income tax (benefit) expense	(18,240)	6,407
Loss (income) from unconsolidated entities	242	(596)
Other	17,967	6,494
Changes in operating assets and liabilities:
(Increase) decrease in other assets	(9,711)	11,208
Increase in accrued interest	16,108	2,374
Decrease in accounts payable and other liabilities	(17,503)	(45,861)
Net cash provided by operating activities	717,724	595,702
Cash flows from investing activities:
Net investment in real estate property	(1,253,910)	(271,526)
Investment in loans receivable and other	(55,659)	(44,488)
Proceeds from real estate disposals	273,191	52,350
Proceeds from loans receivable	93,275	5,980
Purchase of marketable securities	0	(46,689)
Proceeds from sale or maturity of marketable securities	57,225	0
Funds held in escrow for future development expenditures	4,003	2,602
Development project expenditures	(62,630)	(44,423)
Capital expenditures	(43,429)	(35,526)
Other	(8,813)	(3,713)
Net cash used in investing activities	(996,747)	(385,433)
Cash flows from financing activities:
Net change in borrowings under credit facility	(321,334)	(199,951)
Proceeds from debt	1,107,971	696,661
Repayment of debt	(278,442)	(272,726)
Purchase of noncontrolling interest	(3,816)	0
Payment of deferred financing costs	(14,608)	(6,846)
Issuance of common stock, net	352,167	0
Cash distribution to common stockholders	(516,404)	(426,952)
Cash distribution to redeemable OP unitholders	(4,697)	(2,762)
Purchases of redeemable OP units	(33,188)	0
Distributions to noncontrolling interest	(9,467)	(4,908)
Other	5,928	(574)
Net cash provided by (used in) financing activities	284,110	(218,058)
Net increase (decrease) in cash and cash equivalents	5,087	(7,789)
Effect of foreign currency translation on cash and cash equivalents	97	(392)
Cash and cash equivalents at beginning of period	55,348	94,816
Cash and cash equivalents at end of period	60,532	86,635
Assets and liabilities assumed from acquisitions:
Real estate investments	2,554,590	54,282
Other assets acquired	16,505	1,634
Debt assumed	177,857	51,115
Other liabilities	49,788	3,675
Deferred income tax liability	51,620	1,126
Redeemable OP unitholder interests assumed	87,245	0
Equity issued	$ 2,204,585	$ 0