The cumulative amount of depreciation for real estate property held for investment purposes.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(3))
-URI http://asc.fasb.org/extlink&oid=120400017&loc=d3e572229-122910

Name:	us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Real Estate Investments - Properties held-for-sale (Details) $ in Thousands	Oct. 29, 2021 property	Sep. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)
Real estate investments
Accumulated depreciation \| $		$ 365,182	$ 349,643
Subsequent Event
Real estate investments
Number of beds/units \| property	11