Subsequent Events - Additional Information (Details) - Subsequent Event - Property/Apartment [Member] $ in Millions	Jan. 01, 2020 USD ($) Property ApartmentUnit
Subsequent Event [Line Items]
Number of properties sold \| Property	1
Number of self managed apartments \| ApartmentUnit	136
Amount of property sold \| $	$ 31.2

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

Name:	us-gaap_SubsequentEventLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration