CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Cash flows from operating activities:
Net income (loss)	$ 267,303	$ 334,757	$ 516,424
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	1,057,205	749,901	710,569
Stock-based compensation amortization expense	15,543	14,480	26,456
Merger-related post-combination stock compensation expense	16,223	0	0
Amortization of deferred financing costs and debt discounts (premiums)	28,974	11,916	10,881
Straight-line rents	(41,276)	(14,387)	(49,183)
Amortization of non-refundable entrance fees and above (below) market lease intangibles	(119,750)	(108,988)	(102,747)
Equity loss (income) from unconsolidated joint ventures	1,515	(10,204)	(2,049)
Distributions of earnings from unconsolidated joint ventures	12,000	910	943
Loss (gain) on sale of real estate under direct financing leases	0	0	(22,693)
Deferred income tax expense (benefit)	(1,693)	(14,605)	(6,001)
Impairments and loan loss reserves (recoveries), net	22,978	(5,601)	7,004
Loss (gain) on sales of real estate, net	(178,695)	(86,463)	(10,422)
Loss (gain) upon change of control, net	(77,548)	(234)	(311,438)
Casualty-related loss (recoveries), net	29,076	(3,085)	7,168
Other non-cash items	(6,133)	4,900	6,489
Changes in:
Decrease (increase) in accounts receivable and other assets, net	(40,860)	(21,566)	(17,433)
Increase (decrease) in accounts payable, accrued liabilities, and deferred revenue	85,635	104,511	136,293
Net cash provided by (used in) operating activities	1,070,497	956,242	900,261
Cash flows from investing activities:
Acquisitions of real estate	(6,787)	(15,847)	(178,133)
Development, redevelopment, and other major improvements of real estate	(597,494)	(731,206)	(861,636)
Leasing costs, tenant improvements, and recurring capital expenditures	(115,784)	(113,596)	(108,510)
Proceeds from sales of real estate, net	648,548	141,651	47,885
Proceeds from the South San Francisco JVs transaction, net	0	0	125,985
Proceeds from the Callan Ridge JV transaction, net	125,662	0	0
Investments in unconsolidated joint ventures	(61,602)	(88,391)	(21,143)
Distributions in excess of earnings from unconsolidated joint ventures	22,906	20,640	12,518
Proceeds from insurance recovery	8,711	24,980	1,450
Proceeds from sales/principal repayments on loans receivable and marketable debt securities	93,445	204,865	115,988
Investments in loans receivable and other	(52,189)	(19,850)	(10,747)
Cash paid in connection with the Merger, net	(179,215)	0	0
Net cash provided by (used in) investing activities	(113,799)	(576,754)	(876,343)
Cash flows from financing activities:
Borrowings under bank line of credit and commercial paper	3,741,250	10,344,705	15,882,153
Repayments under bank line of credit and commercial paper	(4,311,250)	(10,620,311)	(16,052,522)
Issuances and borrowings of term loans, senior unsecured notes, and mortgage debt	750,000	743,778	500,000
Repayments and repurchases of term loans, senior unsecured notes, and mortgage debt	(26,780)	(90,089)	(5,048)
Payments for deferred financing costs	(19,784)	(7,322)	(4,171)
Issuance of common stock and exercise of options, net of offering costs	317	278	308,100
Repurchase of common stock	(190,690)	(6,524)	(67,838)
Dividends paid on common stock	(794,783)	(657,021)	(648,047)
Distributions to and purchase of noncontrolling interests	(89,708)	(45,282)	(30,549)
Contributions from and issuance of noncontrolling interests	12	489	1,390
Net cash provided by (used in) financing activities	(941,416)	(337,299)	(116,532)
Net increase (decrease) in cash, cash equivalents, and restricted cash	15,282	42,189	(92,614)
Cash, cash equivalents, and restricted cash, beginning of year	169,023	126,834	219,448
Cash, cash equivalents, and restricted cash, end of year	$ 184,305	$ 169,023	$ 126,834