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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME OF ERP OPERATING LIMITED PARTNERSHIP (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Comprehensive income:
Net income	$ 60,364	$ 332,671
Other comprehensive income (loss) – derivative instruments:
Unrealized holding gains (losses) arising during the period		(967)
Losses reclassified into earnings from other comprehensive income	2,303	5,634
Other comprehensive income (loss)	2,303	4,667
Comprehensive income	62,667	337,338
Comprehensive (income) attributable to Noncontrolling Interests – Partially Owned Properties	(2,909)	(24,234)
Comprehensive income attributable to controlling interests	59,758	313,104
ERPOP [Member]
Comprehensive income:
Net income	60,364	332,671
Other comprehensive income (loss) – derivative instruments:
Unrealized holding gains (losses) arising during the period		(967)
Losses reclassified into earnings from other comprehensive income	2,303	5,634
Other comprehensive income (loss)	2,303	4,667
Comprehensive income	62,667	337,338
Comprehensive (income) attributable to Noncontrolling Interests – Partially Owned Properties	(682)	(12,530)
Comprehensive income attributable to controlling interests	$ 61,985	$ 324,808

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