Real Estate and Other Activities - Schedule of Concentrations of Credit Risk (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Business Acquisition [Line Items]
Total Assets	$ 19,204,375		$ 19,204,375		$ 19,658,000
Total Revenues	337,395	$ 400,226	687,606	$ 810,026
Total Gross Assets [Member] | Operator Concentration Risk [Member]
Business Acquisition [Line Items]
Total Assets	19,204,375		$ 19,204,375		$ 19,658,000
Percentage of concentration risk			100.00%		100.00%
Total Gross Assets [Member] | Operator Concentration Risk [Member] | Other Assets [Member]
Business Acquisition [Line Items]
Total Assets	2,414,567		$ 2,414,567		$ 1,611,159
Percentage of concentration risk			12.60%		8.20%
Total Gross Assets [Member] | Operator Concentration Risk [Member] | Steward [Member]
Business Acquisition [Line Items]
Total Assets	3,656,046		$ 3,656,046		$ 4,762,673
Percentage of concentration risk			19.00%		24.20%
Total Gross Assets [Member] | Operator Concentration Risk [Member] | Circle [Member]
Business Acquisition [Line Items]
Total Assets	2,141,517		$ 2,141,517		$ 2,062,474
Percentage of concentration risk			11.20%		10.50%
Total Gross Assets [Member] | Operator Concentration Risk [Member] | Priory [Member]
Business Acquisition [Line Items]
Total Assets	1,401,106		$ 1,401,106		$ 1,290,213
Percentage of concentration risk			7.30%		6.60%
Total Gross Assets [Member] | Operator Concentration Risk [Member] | Prospect [Member]
Business Acquisition [Line Items]
Total Assets	1,045,844		$ 1,045,844		$ 1,483,599
Percentage of concentration risk			5.50%		7.50%
Total Gross Assets [Member] | Operator Concentration Risk [Member] | Lifepoint Behavioral [Member]
Business Acquisition [Line Items]
Total Assets	799,212		$ 799,212		$ 985,959
Percentage of concentration risk			4.20%		5.00%
Total Gross Assets [Member] | Operator Concentration Risk [Member] | Other Operators [Member]
Business Acquisition [Line Items]
Total Assets	7,746,083		$ 7,746,083		$ 7,461,923
Percentage of concentration risk			40.20%		38.00%
Total Gross Assets [Member] | Geographic Concentration [Member]
Business Acquisition [Line Items]
Total Assets	19,204,375		$ 19,204,375		$ 19,658,000
Percentage of concentration risk			100.00%		100.00%
Total Gross Assets [Member] | Geographic Concentration [Member] | Texas [Member]
Business Acquisition [Line Items]
Total Assets	1,940,872		$ 1,940,872		$ 1,967,948
Percentage of concentration risk			10.10%		10.00%
Total Gross Assets [Member] | Geographic Concentration [Member] | California [Member]
Business Acquisition [Line Items]
Total Assets	1,211,932		$ 1,211,932		$ 1,450,112
Percentage of concentration risk			6.30%		7.40%
Total Gross Assets [Member] | Geographic Concentration [Member] | Florida [Member]
Business Acquisition [Line Items]
Total Assets	1,366,453		$ 1,366,453		$ 1,324,555
Percentage of concentration risk			7.10%		6.80%
Total Gross Assets [Member] | Geographic Concentration [Member] | Utah [Member]
Business Acquisition [Line Items]
Total Assets	834,773		$ 834,773		$ 1,224,484
Percentage of concentration risk			4.40%		6.20%
Total Gross Assets [Member] | Geographic Concentration [Member] | Massachusetts [Member]
Business Acquisition [Line Items]
Total Assets	805,796		$ 805,796		$ 761,694
Percentage of concentration risk			4.20%		3.90%
Total Gross Assets [Member] | Geographic Concentration [Member] | All Other States [Member]
Business Acquisition [Line Items]
Total Assets	3,846,670		$ 3,846,670		$ 4,245,306
Percentage of concentration risk			20.00%		21.60%
Total Gross Assets [Member] | Geographic Concentration [Member] | Total U.S. [Member]
Business Acquisition [Line Items]
Total Assets	11,706,182		$ 11,706,182		$ 12,003,045
Percentage of concentration risk			61.00%		61.10%
Total Gross Assets [Member] | Geographic Concentration [Member] | United Kingdom [Member]
Business Acquisition [Line Items]
Total Assets	4,301,199		$ 4,301,199		$ 4,083,244
Percentage of concentration risk			22.40%		20.80%
Total Gross Assets [Member] | Geographic Concentration [Member] | Australia [Member]
Business Acquisition [Line Items]
Total Assets	301,125		$ 301,125		$ 854,582
Percentage of concentration risk			1.60%		4.30%
Total Gross Assets [Member] | Geographic Concentration [Member] | Switzerland [Member]
Business Acquisition [Line Items]
Total Assets	682,069		$ 682,069		$ 748,947
Percentage of concentration risk			3.50%		3.80%
Total Gross Assets [Member] | Geographic Concentration [Member] | Germany [Member]
Business Acquisition [Line Items]
Total Assets	746,419		$ 746,419		$ 664,900
Percentage of concentration risk			3.90%		3.40%
Total Gross Assets [Member] | Geographic Concentration [Member] | Spain [Member]
Business Acquisition [Line Items]
Total Assets	232,037		$ 232,037		$ 222,316
Percentage of concentration risk			1.20%		1.10%
Total Gross Assets [Member] | Geographic Concentration [Member] | All Other Countries [Member]
Business Acquisition [Line Items]
Total Assets	520,463		$ 520,463		$ 498,753
Percentage of concentration risk			2.70%		2.50%
Total Gross Assets [Member] | Geographic Concentration [Member] | Total International [Member]
Business Acquisition [Line Items]
Total Assets	7,498,193		$ 7,498,193		$ 7,654,955
Percentage of concentration risk			39.00%		38.90%
Total Gross Assets [Member] | Geographic Concentration [Member] | Other Domestic Assets [Member]
Business Acquisition [Line Items]
Total Assets	1,699,686		$ 1,699,686		$ 1,028,946
Percentage of concentration risk			8.90%		5.20%
Total Gross Assets [Member] | Geographic Concentration [Member] | Other International Assets [Member]
Business Acquisition [Line Items]
Total Assets	$ 714,881		$ 714,881		$ 582,213
Percentage of concentration risk			3.70%		3.00%
Revenue [Member] | Operator Concentration Risk [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	100.00%	100.00%
Total Revenues	$ 337,395	$ 400,226
Revenue [Member] | Operator Concentration Risk [Member] | Steward [Member]
Business Acquisition [Line Items]
Percentage of concentration risk		26.50%
Percentage of concentration risk	(0.10%)
Total Revenues	$ (301)	$ 106,007
Revenue [Member] | Operator Concentration Risk [Member] | Circle [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	14.40%	11.90%
Total Revenues	$ 48,645	$ 47,539
Revenue [Member] | Operator Concentration Risk [Member] | Priory [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	8.00%	4.80%
Total Revenues	$ 26,930	$ 19,179
Revenue [Member] | Operator Concentration Risk [Member] | Prospect [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	20.30%	10.60%
Total Revenues	$ 68,436	$ 42,364
Revenue [Member] | Operator Concentration Risk [Member] | Common Spirit [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	5.80%
Total Revenues	$ 19,568
Revenue [Member] | Operator Concentration Risk [Member] | Lifepoint Behavioral [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	5.70%	5.60%
Total Revenues	$ 19,068	$ 22,250
Revenue [Member] | Operator Concentration Risk [Member] | Other Operators [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	45.90%	40.60%
Total Revenues	$ 155,049	$ 162,887
Revenue [Member] | Geographic Concentration [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	100.00%	100.00%
Total Revenues	$ 337,395	$ 400,226
Revenue [Member] | Geographic Concentration [Member] | Texas [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	14.10%	9.90%
Total Revenues	$ 47,444	$ 39,716
Revenue [Member] | Geographic Concentration [Member] | California [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	17.00%	12.00%
Total Revenues	$ 57,367	$ 48,109
Revenue [Member] | Geographic Concentration [Member] | Florida [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	10.50%	6.50%
Total Revenues	$ 35,508	$ 26,051
Revenue [Member] | Geographic Concentration [Member] | Pennsylvania [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	6.80%	5.00%
Total Revenues	$ 22,930	$ 19,942
Revenue [Member] | Geographic Concentration [Member] | Arizona [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	5.90%	4.10%
Total Revenues	$ 19,721	$ 16,383
Revenue [Member] | Geographic Concentration [Member] | All Other States [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	10.70%	34.40%
Total Revenues	$ 36,204	$ 137,518
Revenue [Member] | Geographic Concentration [Member] | Total U.S. [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	65.00%	71.90%
Total Revenues	$ 219,174	$ 287,719
Revenue [Member] | Geographic Concentration [Member] | United Kingdom [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	26.20%	19.80%
Total Revenues	$ 88,275	$ 79,415
Revenue [Member] | Geographic Concentration [Member] | Germany [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	2.80%	2.10%
Total Revenues	$ 9,517	$ 8,337
Revenue [Member] | Geographic Concentration [Member] | All Other Countries [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	6.00%	6.20%
Total Revenues	$ 20,429	$ 24,755
Revenue [Member] | Geographic Concentration [Member] | Total International [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	35.00%	28.10%
Total Revenues	$ 118,221	$ 112,507
Revenue [Member] | Customer Concentration Risk [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	100.00%	100.00%
Total Revenues	$ 337,395	$ 400,226
Revenue [Member] | Customer Concentration Risk [Member] | General Acute Care Hospitals [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	69.60%	76.30%
Total Revenues	$ 234,917	$ 305,468
Revenue [Member] | Customer Concentration Risk [Member] | Behavioral Health Facilities [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	16.70%	12.90%
Total Revenues	$ 56,378	$ 51,763
Revenue [Member] | Customer Concentration Risk [Member] | Inpatient Rehabilitation Facilities [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	9.30%	7.20%
Total Revenues	$ 31,452	$ 28,897
Revenue [Member] | Customer Concentration Risk [Member] | Long Term Acute Care Hospital [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	2.50%	2.10%
Total Revenues	$ 8,329	$ 8,270
Revenue [Member] | Customer Concentration Risk [Member] | Freestanding ER/Urgent Care Facilities [Member]
Business Acquisition [Line Items]
Percentage of concentration risk	1.90%	1.50%
Total Revenues	$ 6,319	$ 5,828
Pro Forma [Member] | Total Gross Assets [Member] | Customer Concentration Risk [Member]
Business Acquisition [Line Items]
Maximum percentage of entity's assets invested on single property	2.00%		2.00%