CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash flows from operating activities:
Net income	$ 56,559	$ 441,185	$ 439,297
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,197,403	1,109,763	1,045,620
Amortization of deferred revenue and lease intangibles, net	(88,795)	(40,856)	(7,967)
Other non-cash amortization	17,709	20,719	22,985
Allowance on loans receivable and investments	(9,082)	24,238	0
Stock-based compensation	31,966	21,487	33,923
Straight-lining of rental income	(14,468)	103,082	(30,073)
Loss on extinguishment of debt, net	59,299	10,791	41,900
Gain on real estate dispositions	(218,788)	(262,218)	(26,022)
Gain on real estate loan investments	(1,448)	(167)	0
Income tax benefit	(1,224)	(101,985)	(58,918)
(Income) loss from unconsolidated entities	(4,973)	(1,832)	2,464
Distributions from unconsolidated entities	19,326	4,920	1,600
Other	26,404	(779)	13,264
Changes in operating assets and liabilities:
Increase in other assets	(54,571)	(68,233)	(76,693)
(Decrease) increase in accrued interest	(5,922)	276	9,737
Increase in accounts payable and other liabilities	16,721	189,785	26,666
Net cash provided by operating activities	1,026,116	1,450,176	1,437,783
Cash flows from investing activities:
Net investment in real estate property	(1,369,052)	(78,648)	(958,125)
Investment in loans receivable	(489)	(115,163)	(1,258,187)
Proceeds from real estate disposals	840,438	1,044,357	147,855
Proceeds from loans receivable	348,091	119,011	1,017,309
Development project expenditures	(247,694)	(380,413)	(403,923)
Capital expenditures	(185,275)	(148,234)	(156,724)
Distributions from unconsolidated entities	17,847	0	172
Investment in unconsolidated entities	(129,291)	(286,822)	(3,855)
Insurance proceeds for property damage claims	1,285	207	30,179
Net cash (used in) provided by investing activities	(724,140)	154,295	(1,585,299)
Cash flows from financing activities:
Net change in borrowings under revolving credit facilities	(125,399)	(88,868)	(569,891)
Net change in borrowings under commercial paper program	279,929	(565,524)	565,524
Proceeds from debt	1,534,298	733,298	3,013,191
Repayments of debt	(2,109,617)	(479,539)	(2,623,916)
Purchase of noncontrolling interests	(24,224)	(8,239)	0
Payment of deferred financing costs	(27,166)	(8,379)	(21,403)
Issuance of common stock, net	617,438	55,362	942,085
Cash distribution to common stockholders	(686,888)	(928,809)	(1,157,720)
Cash distribution to redeemable OP unitholders	(6,761)	(7,283)	(9,218)
Cash issued for redemption of OP Units	(96)	(575)	(2,203)
Contributions from noncontrolling interests	1,731	1,314	6,282
Distributions to noncontrolling interests	(13,577)	(12,946)	(9,717)
Proceeds from stock option exercises	8,169	15,103	36,179
Other	(6,303)	(4,936)	(8,519)
Net cash (used in) provided by financing activities	(558,466)	(1,300,021)	160,674
Net (decrease) increase in cash, cash equivalents and restricted cash	(256,490)	304,450	13,158
Effect of foreign currency translation	1,447	1,088	1,480
Cash, cash equivalents and restricted cash at beginning of year	451,640	146,102	131,464
Cash, cash equivalents and restricted cash at end of year	196,597	451,640	146,102
Supplemental disclosure of cash flow information:
Interest paid including payments and receipts for derivative instruments	402,025	429,636	410,854
Assets acquired and liabilities assumed from acquisitions and other:
Real estate investments	1,319,988	170,484	1,057,138
Other assets	16,913	1,224	11,140
Debt	482,482	55,368	907,746
Other liabilities	102,256	2,707	47,121
Deferred income tax liability	446	337	95
Noncontrolling interests	468	20,259	113,316
Equity issued	751,248	0	0
Equity issued for redemption of OP Units	$ 76	$ 0	$ 127