CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash flows from operating activities:
Net income (loss)	$ 134,507	$ 75,343
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization of real estate, in-place lease, and other intangibles	179,225	177,733
Stock-based compensation amortization expense	3,287	4,721
Amortization of deferred financing costs	2,821	2,689
Straight-line rents	(747)	(11,158)
Amortization of nonrefundable entrance fees and above (below) market lease intangibles	(25,690)	(24,725)
Equity loss (income) from unconsolidated joint ventures	(1,816)	(2,148)
Distributions of earnings from unconsolidated joint ventures	185	237
Loss (gain) on sale of real estate under direct financing leases	0	(22,693)
Deferred income tax expense (benefit)	(402)	(79)
Impairments and loan loss reserves (recoveries), net	(2,213)	132
Loss (gain) on sales of real estate, net	(81,578)	(3,785)
Casualty-related loss (recoveries), net	529	0
Other non-cash items	1,698	(1,593)
Changes in:
Decrease (increase) in accounts receivable and other assets, net	(19,949)	(4,144)
Increase (decrease) in accounts payable, accrued liabilities, and deferred revenue	(15,936)	3,653
Net cash provided by (used in) operating activities	173,921	194,183
Cash flows from investing activities:
Acquisitions of real estate	(10,219)	(134,067)
Development, redevelopment, and other major improvements of real estate	(204,889)	(178,285)
Leasing costs, tenant improvements, and recurring capital expenditures	(22,789)	(22,839)
Proceeds from sales of real estate, net	141,559	13,265
Investments in unconsolidated joint ventures	(9,640)	(1,486)
Distributions in excess of earnings from unconsolidated joint ventures	3,210	3,875
Proceeds from insurance recovery	2,650	0
Proceeds from sales/principal repayments on loans receivable, direct financing leases, and marketable debt securities	158,381	75,435
Investments in loans receivable and other	(1,918)	(1,860)
Net cash provided by (used in) investing activities	56,345	(245,962)
Cash flows from financing activities:
Borrowings under bank line of credit and commercial paper	3,372,255	3,732,668
Repayments under bank line of credit and commercial paper	(3,811,861)	(3,567,830)
Issuances and borrowings of term loans, senior unsecured notes, and mortgage debt	399,532	0
Repayments and repurchases of term loans, senior unsecured notes, and mortgage debt	(1,325)	(1,270)
Payments for debt extinguishment and deferred financing costs	(4,175)	0
Issuance of common stock and exercise of options, net of offering costs	(151)	(4)
Repurchase of common stock	(6,467)	(11,352)
Dividends paid on common stock	(164,976)	(163,447)
Distributions to and purchase of noncontrolling interests	(22,803)	(7,509)
Contributions from and issuance of noncontrolling interests	96	233
Net cash provided by (used in) financing activities	(239,875)	(18,511)
Net increase (decrease) in cash, cash equivalents, and restricted cash	(9,609)	(70,290)
Cash, cash equivalents, and restricted cash, beginning of period	126,834	219,448
Cash, cash equivalents, and restricted cash, end of period	$ 117,225	$ 149,158