EPLP - Condensed Consolidated Statements of Capital (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income	$ 212,778	$ 285,140
Change in fair value of derivatives and amortization of swap settlements	(9,372)	7,995
Change in fair value of marketable debt securities	17
Issuance of common units under:
General partner’s stock based compensation, net	5,509	962
Sale of common stock by general partner, net		(8)
Changes in the redemption value of redeemable noncontrolling interest	(3,527)	13
Distributions to noncontrolling interest	(8,300)	(8,412)
Redemptions of noncontrolling interest	(8,556)	(279)
Essex Portfolio, L.P.
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning	5,720,390	5,593,978
Net income	212,778	285,140
Change in fair value of derivatives and amortization of swap settlements	(9,372)	7,995
Change in fair value of marketable debt securities	17
Issuance of common units under:
General partner’s stock based compensation, net	5,509	962
Sale of common stock by general partner, net		(8)
Equity based compensation costs	2,055	1,695
Changes in the redemption value of redeemable noncontrolling interest	(3,527)	13
Distributions to noncontrolling interest	(2,431)	(2,875)
Redemptions of noncontrolling interest	(8,556)	(279)
Distributions declared	(171,288)	(162,868)
Balance at period end	$ 5,745,575	$ 5,723,753
Essex Portfolio, L.P. | Common Equity | General Partner
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning (in shares)	64,280	64,203
Balance at period beginning	$ 5,512,391	$ 5,389,190
Net income	$ 203,110	$ 272,731
Issuance of common units under:
General partner’s stock based compensation, net (in shares)	30	6
General partner’s stock based compensation, net	$ 5,509	$ 962
Sale of common stock by general partner, net		(8)
Equity based compensation costs	1,985	1,637
Changes in the redemption value of redeemable noncontrolling interest	$ (3,175)	(180)
Redemptions (in shares)	48
Redemptions of noncontrolling interest	$ (20)	(249)
Distributions declared	$ (165,419)	$ (157,331)
Balance at period end (in shares)	64,358	64,209
Balance at period end	$ 5,554,381	$ 5,506,752
Essex Portfolio, L.P. | Common Equity | Limited Partners
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning (in shares)	2,331	2,259
Balance at period beginning	$ 73,418	$ 44,991
Net income	7,279	9,599
Issuance of common units under:
Equity based compensation costs	70	58
Changes in the redemption value of redeemable noncontrolling interest	$ (219)	165
Redemptions (in shares)	(48)
Redemptions of noncontrolling interest	$ (5,026)
Distributions declared	$ (5,869)	$ (5,537)
Balance at period end (in shares)	2,283	2,259
Balance at period end	$ 69,653	$ 49,276
Essex Portfolio, L.P. | Accumulated other comprehensive income, net
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning	29,429	38,646
Change in fair value of derivatives and amortization of swap settlements	(9,372)	7,995
Change in fair value of marketable debt securities	17
Issuance of common units under:
Balance at period end	20,074	46,641
Essex Portfolio, L.P. | Noncontrolling interest
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning	105,152	121,151
Net income	2,389	2,810
Issuance of common units under:
Changes in the redemption value of redeemable noncontrolling interest	(133)	28
Distributions to noncontrolling interest	(2,431)	(2,875)
Redemptions of noncontrolling interest	(3,510)	(30)
Balance at period end	$ 101,467	$ 121,084