CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME/(LOSS) (UNITED DOMINION REALTY, L.P.) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Net income/(loss)	$ (27,217)	$ 29,422	$ 40,419	$ 94,342
Other comprehensive income/(loss), including portion attributable to noncontrolling interests:
Unrealized holding gain/(loss)	(30)	(659)	(3,241)	(7,181)
Other comprehensive income/(loss), including portion attributable to noncontrolling interests	1,555	(1,283)	(7)	(9,685)
Comprehensive income/(loss)	(25,662)	28,139	40,412	84,657
Comprehensive (income)/loss attributable to noncontrolling interests	1,850	(2,119)	(2,724)	(6,286)
Comprehensive income/(loss) attributable to UDR, Inc.	(23,812)	26,020	37,688	78,371
United Dominion Realty L.P.
Net income/(loss)	19,057	27,283	63,558	79,427
Other comprehensive income/(loss), including portion attributable to noncontrolling interests:
Unrealized holding gain/(loss)	(6)		(49)
Other comprehensive income/(loss), including portion attributable to noncontrolling interests	(6)		(49)
Comprehensive income/(loss)	19,051	27,283	63,509	79,427
Comprehensive (income)/loss attributable to noncontrolling interests	(435)	(448)	(1,445)	(1,252)
Comprehensive income/(loss) attributable to UDR, Inc.	$ 18,616	$ 26,835	$ 62,064	$ 78,175