CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 96,236	$ 147,143
Adjustments to net income:
Depreciation and amortization	177,985	164,585
Amortization of share-based compensation	3,697	5,518
Non-cash revenue adjustments	(1,163)	(1,352)
Loss on extinguishment of debt	46,473	9,819
Amortization of net premiums on mortgages payable	(280)	(354)
Amortization of deferred financing costs	2,654	2,581
Loss on interest rate swaps	722	686
Foreign currency and derivative gains (losses), net	(804)	1,564
Gain on sales of real estate	(8,401)	(38,506)
Provisions for impairment on real estate	2,720	4,478
Change in assets and liabilities
Accounts receivable and other assets	(21,367)	3,005
Accounts payable, accrued expenses and other liabilities	(32,019)	(33,951)
Net cash provided by operating activities	266,453	265,216
CASH FLOWS FROM INVESTING ACTIVITIES
Investment in real estate	(1,026,690)	(473,245)
Improvements to real estate, including leasing costs	(1,741)	(3,658)
Proceeds from sales of real estate	34,705	126,233
Insurance and other proceeds received	0	539
Non-refundable escrow deposits	0	(1,280)
Net cash used in investing activities	(993,726)	(351,411)
CASH FLOWS FROM FINANCING ACTIVITIES
Cash distributions to common stockholders	(260,697)	(233,824)
Borrowings on line of credit and commercial paper program	1,413,694	846,532
Payments on line of credit and commercial paper program	(735,489)	(921,859)
Principal payment on notes payable	(950,000)	(250,000)
Principal payments on mortgages payable	(18,110)	(1,673)
Payments upon extinguishment of debt	(47,235)	(9,445)
Proceeds from common stock offerings, net	669,590	728,883
Proceeds from dividend reinvestment and stock purchase plan	2,654	2,366
Distributions to noncontrolling interests	(402)	(394)
Net receipts on derivative settlements	845	1,251
Other items, including shares withheld upon vesting	(4,974)	(6,561)
Net cash provided by financing activities	69,876	155,276
Effect of exchange rate changes on cash and cash equivalents	48	(2,929)
Net (decrease) increase in cash, cash equivalents and restricted cash	(657,349)	66,152
Cash, cash equivalents and restricted cash, beginning of period	850,679	71,005
Cash, cash equivalents and restricted cash, end of period	$ 193,330	$ 137,157