EPLP - Consolidated Statements of Income - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Revenues:
Rental and other property	$ 1,431,418,000	$ 1,486,150,000	$ 1,450,628,000
Management and other fees from affiliates	9,138,000	9,598,000	9,527,000
Total revenues	1,440,556,000	1,495,748,000	1,460,155,000
Expenses:
Property operating, excluding real estate taxes	264,892,000	263,389,000	241,357,000
Real estate taxes	180,367,000	177,011,000	155,170,000
Corporate-level property management expenses	36,188,000	34,573,000	34,067,000
Depreciation and amortization	520,066,000	525,497,000	483,750,000
General and administrative	51,838,000	65,388,000	54,262,000
Expensed acquisition and investment related costs	203,000	1,591,000	168,000
Impairment loss	0	1,825,000	7,105,000
Total expenses	1,053,554,000	1,069,274,000	975,879,000
Gain (loss) on sale of real estate and land	142,993,000	64,967,000	(3,164,000)
Earnings from operations	529,995,000	491,441,000	481,112,000
Interest expense	(203,125,000)	(220,633,000)	(217,339,000)
Total return swap income	10,774,000	10,733,000	8,446,000
Interest and other income	98,744,000	40,999,000	46,298,000
Equity income from co-investments	111,721,000	66,512,000	112,136,000
Deferred tax expense on unrealized gain on unconsolidated co-investment	(15,668,000)	(1,531,000)	(1,457,000)
(Loss) gain on early retirement of debt, net	(19,010,000)	(22,883,000)	3,717,000
Gain on remeasurement of co-investment	2,260,000	234,694,000	31,535,000
Net income	515,691,000	599,332,000	464,448,000
Net income attributable to noncontrolling interest	(27,137,000)	(30,462,000)	(25,162,000)
Net income available to common stockholders/unitholders	$ 488,554,000	$ 568,870,000	$ 439,286,000
Basic:
Net income available to common stockholders/unitholders (in dollars per share)	$ 7.51	$ 8.69	$ 6.67
Weighted average number of shares/units outstanding during the year (in shares)	65,051,465	65,454,057	65,840,422
Diluted:
Net income available to common stockholders/unitholders (in dollars per share)	$ 7.51	$ 8.69	$ 6.66
Weighted average number of shares/units outstanding during the year (in shares)	65,088,874	65,564,982	65,939,455
Essex Portfolio, L.P.
Revenues:
Rental and other property	$ 1,431,418,000	$ 1,486,150,000	$ 1,450,628,000
Management and other fees from affiliates	9,138,000	9,598,000	9,527,000
Total revenues	1,440,556,000	1,495,748,000	1,460,155,000
Expenses:
Property operating, excluding real estate taxes	264,892,000	263,389,000	241,357,000
Real estate taxes	180,367,000	177,011,000	155,170,000
Corporate-level property management expenses	36,188,000	34,573,000	34,067,000
Depreciation and amortization	520,066,000	525,497,000	483,750,000
General and administrative	51,838,000	65,388,000	54,262,000
Expensed acquisition and investment related costs	203,000	1,591,000	168,000
Impairment loss	0	1,825,000	7,105,000
Total expenses	1,053,554,000	1,069,274,000	975,879,000
Gain (loss) on sale of real estate and land	142,993,000	64,967,000	(3,164,000)
Earnings from operations	529,995,000	491,441,000	481,112,000
Interest expense	(203,125,000)	(220,633,000)	(217,339,000)
Total return swap income	10,774,000	10,733,000	8,446,000
Interest and other income	98,744,000	40,999,000	46,298,000
Equity income from co-investments	111,721,000	66,512,000	112,136,000
Deferred tax expense on unrealized gain on unconsolidated co-investment	(15,668,000)	(1,531,000)	(1,457,000)
(Loss) gain on early retirement of debt, net	(19,010,000)	(22,883,000)	3,717,000
Gain on remeasurement of co-investment	2,260,000	234,694,000	31,535,000
Net income	515,691,000	599,332,000	464,448,000
Net income attributable to noncontrolling interest	(9,946,000)	(10,550,000)	(9,819,000)
Net income available to common stockholders/unitholders	$ 505,745,000	$ 588,782,000	$ 454,629,000
Basic:
Net income available to common stockholders/unitholders (in dollars per share)	$ 7.51	$ 8.69	$ 6.67
Weighted average number of shares/units outstanding during the year (in shares)	67,340,856	67,750,665	68,140,900
Diluted:
Net income available to common stockholders/unitholders (in dollars per share)	$ 7.51	$ 8.69	$ 6.66
Weighted average number of shares/units outstanding during the year (in shares)	67,378,265	67,861,590	68,239,933