Consolidated VIE's balance sheet information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Investments in real estate	$ 28,689,996	$ 32,110,039
Cash and cash equivalents	549,062	552,146
Other assets	1,661,772	1,661,306
Total assets	34,081,835	37,527,449
Secured notes payable	0	149,909
Total liabilities	14,925,399	15,128,988
Redeemable noncontrolling interests	58,788	19,972
Alexandria Real Estate Equities, Inc.’s share of equity	15,470,070	17,889,042
Noncontrolling interests’ share of equity	3,627,578	4,489,447
Total liabilities, noncontrolling interests, and equity	34,081,835	37,527,449
Payments to Noncontrolling Interests	(951,780)	(308,636)	$ (245,091)
Noncontrolling Interests
Variable Interest Entity [Line Items]
Payments to Noncontrolling Interests	(951,800)	(256,700)
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Investments in real estate	6,129,668	8,917,718
Cash and cash equivalents	258,755	335,223
Other assets	712,154	777,033
Total assets	7,100,577	10,029,974
Secured notes payable	0	149,321
Other liabilities	324,513	626,460
Total liabilities	324,513	775,781
Redeemable noncontrolling interests	49,554	10,360
Alexandria Real Estate Equities, Inc.’s share of equity	3,098,932	4,754,386
Noncontrolling interests’ share of equity	3,627,578	4,489,447
Total liabilities, noncontrolling interests, and equity	$ 7,100,577	$ 10,029,974