Accounting Policies and Related Matters - Narrative (Details) - COVID-19 - Seniors Housing Operating - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Spot occupancy	78.00%	74.90%	78.00%	74.90%	77.10%	76.30%	76.30%	73.00%	72.70%
Increase in operational cost	$ 8,134	$ 8,842	$ 28,152	$ 53,767
Cost of property operating expense	$ 5,573	$ 10,965	$ 33,137	$ 78,670

The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2)
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

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