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

3 Months Ended

Mar. 31, 2019

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 March 31, 2019					Three Months Ended March 31, 2018
	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	$	118,858	65,702,788	$	1.81	$	90,918	66,044,022	$	1.38
Effect of Dilutive Securities:
Stock options	—		81,081			—		38,495
Diluted:
Net income available to common stockholders	$	118,858	65,783,869	$	1.81	$	90,918	66,082,517	$	1.38

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 March 31, 2019					Three Months Ended March 31, 2018
	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	$	123,029	68,007,852	$	1.81	$	94,050	68,317,435	$	1.38
Effect of Dilutive Securities:
Stock options	—		81,081			—		38,495
Diluted:
Net income available to common unitholders	$	123,029	68,088,933	$	1.81	$	94,050	68,355,930	$	1.38