Real Estate - Disposed Properties to Unaffiliated Parties (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2020 USD ($) Property ApartmentUnit
Properties disposed | Property	5
Property Units disposed | ApartmentUnit	1,552
Sales Price | $	$ 754,361
Rental Properties – Consolidated [Member]
Properties disposed | Property	5
Property Units disposed | ApartmentUnit	1,552
Sales Price | $	$ 754,361