CONSOLIDATED BALANCE SHEETS (UNITED DOMINION REALTY, L.P.) (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Real estate owned:
Real estate held for disposition accumulated depreciation	$ 45,153	$ 0
Partners' capital:
Operating Partnership units outstanding related to limited partner	184,836,000	184,064,000
United Dominion Realty L.P.
Real estate owned:
Real estate held for disposition accumulated depreciation	$ 45,153	$ 0
Partners' capital:
OP units outstanding related to general partner	110,883	110,883
Operating Partnership units outstanding related to limited partner	184,724,677	183,952,659