XML 66 R51.htm IDEA: XBRL DOCUMENT
v3.20.2

Real Estate Acquisitions and Dispositions - Additional Information (Details) | Jun. 30, 2020 ApartmentUnit
--- | ---
Real Estate [Abstract] |
Number of dispose of any apartment communities, land parcels or commercial properties | 0

X
- Definition The number of units in a real estate property owned as of the balance sheet date. + References No definition available. + Details
Name: | us-gaap_NumberOfUnitsInRealEstateProperty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_RealEstateAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration