Real Property Acquisitions and Development - Construction Activity (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Total development projects	$ 300,608	$ 303,180
Expansion projects	20,229	26,125
Total construction in progress conversions	320,837	329,305
Seniors Housing Operating
Segment Reporting Information [Line Items]
Total development projects	194,012	140,865
Triple-net
Segment Reporting Information [Line Items]
Total development projects	0	141,142
Outpatient Medical
Segment Reporting Information [Line Items]
Total development projects	$ 106,596	$ 21,173