Net Income Per Common Share and Net Income Per Common Unit (Tables)

6 Months Ended

Jun. 30, 2017

Net Income Per Share and Net Income Per Unit [Line Items]

Schedule of net income per common share

Essex Property Trust, Inc.

	Three Months Ended June 30, 2017					Three Months Ended June 30, 2016
	Income		Weighted- average Common Shares	Per Common Share Amount		Income		Weighted- average Common Shares	Per Common Share Amount
Basic:
Net income available to common stockholders	$	70,759	65,729,074	$	1.08	$	72,013	65,451,110	$	1.10
Effect of Dilutive Securities:
Stock options	—		90,620			—		124,268
Diluted:
Net income available to common stockholders	$	70,759	65,819,694	$	1.08	$	72,013	65,575,378	$	1.10

	Six Months Ended June 30, 2017					Six Months Ended June 30, 2016
	Income		Weighted- average Common Shares	Per Common Share Amount		Income		Weighted- average Common Shares	Per Common Share Amount
Basic:
Net income available to common stockholders	$	249,723	65,639,775	$	3.80	$	149,994	65,428,382	$	2.29
Effect of Dilutive Securities:
Stock options	—		91,515			—		130,429
DownREIT units	738		210,728			—		—
Diluted:
Net income available to common stockholders	$	250,461	65,942,018	$	3.80	$	149,994	65,558,811	$	2.29

Essex Portfolio, L.P. [Member]

Net Income Per Share and Net Income Per Unit [Line Items]

Schedule of net income per common share

Essex Portfolio, L.P.

	Three Months Ended June 30, 2017					Three Months Ended June 30, 2016
	Income		Weighted- average Common Units	Per Common Unit Amount		Income		Weighted- average Common Units	Per Common Unit Amount
Basic:
Net income available to common unitholders	$	73,181	67,980,761	$	1.08	$	74,463	67,675,038	$	1.10
Effect of Dilutive Securities:
Stock options	—		90,620			—		124,268
Diluted:
Net income available to common unitholders	$	73,181	68,071,381	$	1.08	$	74,463	67,799,306	$	1.10

	Six Months Ended June 30, 2017					Six Months Ended June 30, 2016
	Income		Weighted- average Common Units	Per Common Unit Amount		Income		Weighted- average Common Units	Per Common Unit Amount
Basic:
Net income available to common unitholders	$	258,291	67,891,734	$	3.80	$	155,228	67,654,279	$	2.29
Effect of Dilutive Securities:
Stock options	—		91,515			—		130,429
DownREIT units	738		210,728			—		—
Diluted:
Net income available to common unitholders	$	259,029	68,193,977	$	3.80	$	155,228	67,784,708	$	2.29