CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME OF ERP OPERATING LIMITED PARTNERSHIP (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Comprehensive income:
Net income	$ 181,286	$ 335,165	$ 546,219	$ 641,641
Other comprehensive income (loss) – derivative instruments:
Unrealized holding gains (losses) arising during the period	460	24,672	4,514	23,413
Losses reclassified into earnings from other comprehensive income	931	5,106	3,132	9,987
Other comprehensive income (loss)	1,391	29,778	7,646	33,400
Comprehensive income	182,677	364,943	553,865	675,041
Comprehensive (income) attributable to Noncontrolling Interests – Partially Owned Properties	(8,822)	(13,123)	(22,712)	(24,853)
Comprehensive income attributable to controlling interests	173,855	351,820	531,153	650,188
ERPOP [Member]
Comprehensive income:
Net income	181,286	335,165	546,219	641,641
Other comprehensive income (loss) – derivative instruments:
Unrealized holding gains (losses) arising during the period	460	24,672	4,514	23,413
Losses reclassified into earnings from other comprehensive income	931	5,106	3,132	9,987
Other comprehensive income (loss)	1,391	29,778	7,646	33,400
Comprehensive income	182,677	364,943	553,865	675,041
Comprehensive (income) attributable to Noncontrolling Interests – Partially Owned Properties	(3,217)	(1,143)	(5,299)	(2,726)
Comprehensive income attributable to controlling interests	$ 179,460	$ 363,800	$ 548,566	$ 672,315