Real Property Acquisitions and Development - Construction Activity (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Segment Reporting Information [Line Items]
Total development projects	$ 624,945	$ 451,546
Expansion projects	20,229	62,292
Total construction in progress conversions	645,174	513,838
Seniors Housing Operating
Segment Reporting Information [Line Items]
Total development projects	462,246	280,333
Triple-net
Segment Reporting Information [Line Items]
Total development projects	0	141,142
Outpatient Medical
Segment Reporting Information [Line Items]
Total development projects	$ 162,699	$ 30,071