EPLP - Condensed Consolidated Statements of Capital for the three months ended March 31, 2024 and 2023 (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income	$ 285,140	$ 161,594
Change in fair value of derivatives and amortization of swap settlements	7,995	(10,294)
Issuance of common units under:
Sale of common stock by general partner, net	(8)	(72)
Retirement of common units, net		(95,657)
Changes in the redemption value of redeemable noncontrolling interest	13	(3,058)
Distributions to noncontrolling interest	(8,412)	(7,977)
Redemptions	(279)	(173)
Essex Portfolio, L.P.
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning	5,593,978	5,895,116
Net income	285,140	161,594
Change in fair value of derivatives and amortization of swap settlements	7,995	(10,294)
Issuance of common units under:
General partner's stock based compensation, net	962	0
Sale of common stock by general partner, net	(8)	(72)
Equity based compensation costs	1,695	5,664
Retirement of common units, net		(95,657)
Changes in the redemption value of redeemable noncontrolling interest	13	(3,058)
Distributions to noncontrolling interest	(2,875)	(2,755)
Redemptions	(279)	(173)
Distributions declared	(162,868)	(153,508)
Balance at period end	$ 5,723,753	$ 5,796,857
Essex Portfolio, L.P. | Common Equity | General Partner
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning (in shares)	64,203	64,605
Balance at period beginning	$ 5,389,190	$ 5,669,906
Net income	$ 272,731	$ 153,532
Issuance of common units under:
General partner's stock based compensation, net (in shares)	6	2
General partner's stock based compensation, net	$ 962
Sale of common stock by general partner, net	(8)	$ (72)
Equity based compensation costs	1,637	$ 5,472
Retirement of common units, net (in shares)		(437)
Retirement of common units, net		$ (95,657)
Changes in the redemption value of redeemable noncontrolling interest	(180)	$ (2,927)
Redemptions (in shares)		12
Redemptions	(249)	$ 291
Distributions declared	$ (157,331)	$ (148,286)
Balance at period end (in shares)	64,209	64,182
Balance at period end	$ 5,506,752	$ 5,582,259
Essex Portfolio, L.P. | Common Equity | Limited Partners
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning (in shares)	2,259	2,272
Balance at period beginning	$ 44,991	$ 51,454
Net income	9,599	5,404
Issuance of common units under:
Equity based compensation costs	58	192
Changes in the redemption value of redeemable noncontrolling interest	165	$ (106)
Redemptions (in shares)		(11)
Redemptions		$ (337)
Distributions declared	$ (5,537)	$ (5,222)
Balance at period end (in shares)	2,259	2,261
Balance at period end	$ 49,276	$ 51,385
Essex Portfolio, L.P. | Accumulated other comprehensive income, net
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning	38,646	52,010
Change in fair value of derivatives and amortization of swap settlements	7,995	(10,294)
Issuance of common units under:
Balance at period end	46,641	41,716
Essex Portfolio, L.P. | Noncontrolling interest
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning	121,151	121,746
Net income	2,810	2,658
Issuance of common units under:
Changes in the redemption value of redeemable noncontrolling interest	28	(25)
Distributions to noncontrolling interest	(2,875)	(2,755)
Redemptions	(30)	(127)
Balance at period end	$ 121,084	$ 121,497