Real Property Acquisitions and Development - Summary of Real Property Investment Activity by Segment (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Business Acquisition [Line Items]
Land and land improvements	$ 483,027	$ 458,536	$ 282,533
Buildings and improvements	3,463,003	3,318,754	2,379,657
Acquired lease intangibles	442,415	258,612	164,745
Construction in progress	115,294	165,934	108,141
Real property held for sale	305,392
Right of use assets, net	906,967	25,139	4,021
Total net real estate assets	5,716,098	4,226,975	2,939,097
Receivables and other assets	153,725	23,631	14,907
Total assets acquired	5,869,823	4,250,606	2,954,004
Secured debt	(860,906)	(413,435)	(319,362)
Lease liabilities	(930,088)	(25,165)	(3,852)
Accrued expenses and other liabilities	(242,401)	(38,194)	(115,804)
Total liabilities acquired	(2,033,395)	(476,794)	(439,018)
Noncontrolling interests	(26,514)	(33,617)	(116,211)
Non-cash acquisition related activity	(284,465)	(181,929)	(92,755)
Cash disbursed for acquisitions	3,525,449	3,558,266	2,306,020
Construction in progress additions	886,847	1,094,215	664,031
Less: Capitalized interest	(58,115)	(50,699)	(30,491)
Accruals	(832)	(28,581)	(1,803)
Cash disbursed for construction in progress	827,900	1,014,935	631,737
Capital improvements to existing properties	857,546	517,682	476,016
Total cash invested in real property, net of cash acquired	5,210,895	5,090,883	3,413,773
Unrestricted and restricted cash acquired	$ 175,083	4,708	$ 6,563
New issues (in shares)	208		1,227
Gain (loss) on real estate dispositions and acquisitions of controlling interests, net	$ 451,611	67,898	$ 16,043
Equity Method Joint Venture
Business Acquisition [Line Items]
Gain (loss) on real estate dispositions and acquisitions of controlling interests, net	182,642
Seniors Housing Operating
Business Acquisition [Line Items]
Land and land improvements	388,090	251,507	206,618
Buildings and improvements	2,718,141	2,006,021	2,067,051
Acquired lease intangibles	407,112	208,239	129,429
Construction in progress	115,294	165,934	108,141
Real property held for sale	8,392
Right of use assets, net	905,723	24,212	169
Total net real estate assets	4,542,752	2,655,913	2,511,408
Receivables and other assets	152,495	21,999	14,406
Total assets acquired	4,695,247	2,677,912	2,525,814
Secured debt	(395,086)	(372,482)	(279,788)
Lease liabilities	(930,088)	(24,212)	0
Accrued expenses and other liabilities	(219,497)	(26,666)	(112,962)
Total liabilities acquired	(1,544,671)	(423,360)	(392,750)
Noncontrolling interests	(26,514)	(32,692)	(115,112)
Non-cash acquisition related activity	(92,933)	(181,929)	(64,975)
Cash disbursed for acquisitions	3,031,129	2,039,931	1,952,977
Construction in progress additions	565,778	646,466	489,001
Less: Capitalized interest	(47,242)	(39,799)	(24,432)
Accruals	(205)	(4,735)	(4,621)
Cash disbursed for construction in progress	518,331	601,932	459,948
Capital improvements to existing properties	725,271	399,130	352,099
Total cash invested in real property, net of cash acquired	4,274,731	3,040,993	2,765,024
Triple-net
Business Acquisition [Line Items]
Land and land improvements	84,777	127,523	7,536
Buildings and improvements	710,361	969,481	59,248
Acquired lease intangibles	33,110	0	0
Construction in progress	0	0	0
Real property held for sale	297,000
Right of use assets, net	1,244	0	0
Total net real estate assets	1,126,492	1,097,004	66,784
Receivables and other assets	1,118	0	0
Total assets acquired	1,127,610	1,097,004	66,784
Secured debt	(465,820)	0	(39,574)
Lease liabilities	0	0	0
Accrued expenses and other liabilities	(22,722)	0	(1,428)
Total liabilities acquired	(488,542)	0	(41,002)
Noncontrolling interests	0	0	(4)
Non-cash acquisition related activity	(191,532)	0	(27,780)
Cash disbursed for acquisitions	447,536	1,097,004	(2,002)
Construction in progress additions	28	25,646	83,368
Less: Capitalized interest	0	(2,416)	(4,210)
Accruals	264	(1,358)	0
Cash disbursed for construction in progress	292	21,872	79,158
Capital improvements to existing properties	32,833	33,592	48,052
Total cash invested in real property, net of cash acquired	480,661	1,152,468	125,208
Outpatient Medical
Business Acquisition [Line Items]
Land and land improvements	10,160	79,506	68,379
Buildings and improvements	34,501	343,252	253,358
Acquired lease intangibles	2,193	50,373	35,316
Construction in progress	0	0	0
Real property held for sale	0
Right of use assets, net	0	927	3,852
Total net real estate assets	46,854	474,058	360,905
Receivables and other assets	112	1,632	501
Total assets acquired	46,966	475,690	361,406
Secured debt	0	(40,953)	0
Lease liabilities	0	(953)	(3,852)
Accrued expenses and other liabilities	(182)	(11,528)	(1,414)
Total liabilities acquired	(182)	(53,434)	(5,266)
Noncontrolling interests	0	(925)	(1,095)
Non-cash acquisition related activity	0	0	0
Cash disbursed for acquisitions	46,784	421,331	355,045
Construction in progress additions	321,041	422,103	91,662
Less: Capitalized interest	(10,873)	(8,484)	(1,849)
Accruals	(891)	(22,488)	2,818
Cash disbursed for construction in progress	309,277	391,131	92,631
Capital improvements to existing properties	99,442	84,960	75,865
Total cash invested in real property, net of cash acquired	$ 455,503	$ 897,422	$ 523,541