EPLP - Condensed Consolidated Statements of Capital for the three and six months ended June 30, 2024 and 2023 (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income	$ 98,986	$ 105,756	$ 384,126	$ 267,350
Change in fair value of derivatives and amortization of swap settlements	(2,487)	15,386	5,508	5,092
Issuance of common units under:
Sale of common stock by general partner, net	(105)	(53)	(113)	(125)
Retirement of common units, net				(95,657)
Changes in the redemption value of redeemable noncontrolling interest	(1,697)	(1,147)	(1,684)	(4,205)
Distributions to noncontrolling interest	(8,663)	(8,056)	(17,075)	(16,033)
Redemptions		(436)	(279)	(609)
Essex Portfolio, L.P.
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning	5,723,753	5,796,857	5,593,978	5,895,116
Net income	98,986	105,756	384,126	267,350
Change in fair value of derivatives and amortization of swap settlements	(2,487)	15,386	5,508	5,092
Issuance of common units under:
General partner's stock based compensation, net			962
Sale of common stock by general partner, net	(105)	(53)	(113)	(125)
Equity based compensation costs	2,048	1,982	3,743	7,646
Retirement of common units, net				(95,657)
Changes in the redemption value of redeemable noncontrolling interest	(1,697)	(1,147)	(1,684)	(4,205)
Distributions to noncontrolling interest	(3,130)	(2,835)	(6,005)	(5,590)
Redemptions		(436)	(279)	(609)
Distributions declared	(162,868)	(153,505)	(325,736)	(307,013)
Balance at period end	$ 5,654,500	$ 5,762,005	$ 5,654,500	$ 5,762,005
Essex Portfolio, L.P. | Common Equity | General Partner
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning (in shares)	64,209	64,182	64,203	64,605
Balance at period beginning	$ 5,506,752	$ 5,582,259	$ 5,389,190	$ 5,669,906
Net income	$ 92,914	$ 99,620	$ 365,645	$ 253,152
Issuance of common units under:
General partner's stock based compensation, net (in shares)	1	1	7	3
General partner's stock based compensation, net			$ 962
Sale of common stock by general partner, net	$ (105)	$ (53)	(113)	$ (125)
Equity based compensation costs	1,979	1,915	3,616	$ 7,387
Retirement of common units, net (in shares)				(437)
Retirement of common units, net				$ (95,657)
Changes in the redemption value of redeemable noncontrolling interest	(1,443)	(1,160)	(1,623)	$ (4,087)
Redemptions (in shares)				12
Redemptions		(404)	(249)	$ (113)
Distributions declared	$ (157,335)	$ (148,284)	$ (314,666)	$ (296,570)
Balance at period end (in shares)	64,210	64,183	64,210	64,183
Balance at period end	$ 5,442,762	$ 5,533,893	$ 5,442,762	$ 5,533,893
Essex Portfolio, L.P. | Common Equity | Limited Partners
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning (in shares)	2,259	2,261	2,259	2,272
Balance at period beginning	$ 49,276	$ 51,385	$ 44,991	$ 51,454
Net income	3,270	3,506	12,869	8,910
Issuance of common units under:
Equity based compensation costs	69	67	127	259
Changes in the redemption value of redeemable noncontrolling interest	(263)	$ (26)	(98)	$ (132)
Redemptions (in shares)		(1)		(12)
Redemptions		$ (7)		$ (344)
Distributions declared	$ (5,533)	$ (5,221)	$ (11,070)	$ (10,443)
Balance at period end (in shares)	2,259	2,260	2,259	2,260
Balance at period end	$ 46,819	$ 49,704	$ 46,819	$ 49,704
Essex Portfolio, L.P. | Accumulated other comprehensive income, net
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning	46,641	41,716	38,646	52,010
Change in fair value of derivatives and amortization of swap settlements	(2,487)	15,386	5,508	5,092
Issuance of common units under:
Balance at period end	44,154	57,102	44,154	57,102
Essex Portfolio, L.P. | Noncontrolling interest
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning	121,084	121,497	121,151	121,746
Net income	2,802	2,630	5,612	5,288
Issuance of common units under:
Changes in the redemption value of redeemable noncontrolling interest	9	39	37	14
Distributions to noncontrolling interest	(3,130)	(2,835)	(6,005)	(5,590)
Redemptions		(25)	(30)	(152)
Balance at period end	$ 120,765	$ 121,306	$ 120,765	$ 121,306