EPLP - Condensed Consolidated Statements of Capital for the three and nine months ended September 30, 2024 and 2023 - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Increase (Decrease) in Partners' Capital [Roll Forward]
Net income	$ 125,487	$ 93,009	$ 509,613	$ 360,359
Change in fair value of derivatives and amortization of swap settlements	(21,433)	4,113	(15,925)	9,205
Issuance of common units under:
Sale of common stock by general partner, net	(467)	(106)	(580)	(231)
Retirement of common units, net				(95,657)
Changes in the redemption value of redeemable noncontrolling interest	(609)	1,395	(2,293)	(2,810)
Distributions to noncontrolling interest	(9,118)	(7,973)	(26,193)	(24,006)
Redemptions	(797)	0	(1,076)	(609)
Essex Portfolio, L.P.
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning	5,654,500	5,762,005	5,593,978	5,895,116
Net income	125,487	93,009	509,613	360,359
Change in fair value of derivatives and amortization of swap settlements	(21,433)	4,113	(15,925)	9,205
Issuance of common units under:
General partner's stock based compensation, net	11,351		12,313
Sale of common stock by general partner, net	(467)	(106)	(580)	(231)
Equity based compensation costs	1,991	2,289	5,734	9,935
Retirement of common units, net				(95,657)
Changes in the redemption value of redeemable noncontrolling interest	(609)	1,395	(2,293)	(2,810)
Changes in noncontrolling interest from acquisition	24,930		24,930
Distributions to noncontrolling interest	(3,404)	(2,754)	(9,409)	(8,344)
Redemptions	(797)	0	(1,076)	(609)
Distributions declared	(163,189)	(153,504)	(488,925)	(460,517)
Balance at period end	$ 5,628,360	$ 5,706,447	$ 5,628,360	$ 5,706,447
Essex Portfolio, L.P. | Common Equity | General Partner
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning (in shares)	64,210	64,183	64,203	64,605
Balance at period beginning	$ 5,442,762	$ 5,533,893	$ 5,389,190	$ 5,669,906
Net income	$ 118,424	87,282	$ 484,069	$ 340,434
Issuance of common units under:
General partner's stock based compensation, net (in shares)	51		58	3
General partner's stock based compensation, net	$ 11,351		$ 12,313
Sale of common stock by general partner, net	(467)	(106)	(580)	$ (231)
Equity based compensation costs	1,923	2,211	5,539	$ 9,598
Retirement of common units, net (in shares)				(437)
Retirement of common units, net				$ (95,657)
Changes in the redemption value of redeemable noncontrolling interest	$ (813)	$ 1,317	$ (2,436)	$ (2,770)
Redemptions (in shares)	6	2	6	14
Redemptions	$ (43)	$ 13	$ (292)	$ (100)
Distributions declared	$ (157,475)	$ (148,285)	$ (472,141)	$ (444,855)
Balance at period end (in shares)	64,267	64,185	64,267	64,185
Balance at period end	$ 5,415,662	$ 5,476,325	$ 5,415,662	$ 5,476,325
Essex Portfolio, L.P. | Common Equity | Limited Partners
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning (in shares)	2,259	2,260	2,259	2,272
Balance at period beginning	$ 46,819	$ 49,704	$ 44,991	$ 51,454
Net income	4,206	3,072	17,075	11,982
Issuance of common units under:
Equity based compensation costs	68	78	195	337
Changes in the redemption value of redeemable noncontrolling interest	$ 123	$ 90	$ 25	$ (42)
Changes in noncontrolling interest from acquisition (in shares)	82		82
Changes in noncontrolling interest from acquisition	$ 24,930		$ 24,930
Redemptions (in shares)	(9)	(1)	(9)	(13)
Redemptions	$ (676)	$ (11)	$ (676)	$ (355)
Distributions declared	$ (5,714)	$ (5,219)	$ (16,784)	$ (15,662)
Balance at period end (in shares)	2,332	2,259	2,332	2,259
Balance at period end	$ 69,756	$ 47,714	$ 69,756	$ 47,714
Essex Portfolio, L.P. | Accumulated other comprehensive income, net
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning	44,154	57,102	38,646	52,010
Change in fair value of derivatives and amortization of swap settlements	(21,433)	4,113	(15,925)	9,205
Issuance of common units under:
Balance at period end	22,721	61,215	22,721	61,215
Essex Portfolio, L.P. | Noncontrolling interest
Increase (Decrease) in Partners' Capital [Roll Forward]
Balance at period beginning	120,765	121,306	121,151	121,746
Net income	2,857	2,655	8,469	7,943
Issuance of common units under:
Changes in the redemption value of redeemable noncontrolling interest	81	(12)	118	2
Distributions to noncontrolling interest	(3,404)	(2,754)	(9,409)	(8,344)
Redemptions	(78)	(2)	(108)	(154)
Balance at period end	$ 120,221	$ 121,193	$ 120,221	$ 121,193