Real Estate - Disposed Properties to Unaffiliated Parties (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2021 USD ($) Property ApartmentUnit
Properties disposed | Property	5
Property Units disposed | ApartmentUnit	795
Sales Price | $	$ 409,500
Rental Properties – Consolidated [Member]
Properties disposed | Property	5
Property Units disposed | ApartmentUnit	795
Sales Price | $	$ 409,500