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

9 Months Ended

Sep. 30, 2021

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 September 30, 2021					Three Months Ended September 30, 2020
	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	$	118,390	65,048,486	$	1.82	$	73,661	65,232,837	$	1.13
Effect of Dilutive Securities:
Stock options	—		99,295			—		8,591
Diluted:
Net income available to common stockholders	$	118,390	65,147,781	$	1.82	$	73,661	65,241,428	$	1.13

	Nine Months Ended September 30, 2021					Nine Months Ended September 30, 2020
	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	$	351,680	65,013,477	$	5.41	$	473,125	65,561,820	$	7.22
Effect of Dilutive Securities:
Stock options	—		61,697			—		20,026
DownREIT units	—		—			587		94,247
Diluted:
Net income available to common stockholders	$	351,680	65,075,174	$	5.40	$	473,712	65,676,093	$	7.21

Essex Portfolio, L.P.

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 September 30, 2021					Three Months Ended September 30, 2020
	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	$	122,558	67,336,164	$	1.82	$	76,254	67,528,346	$	1.13
Effect of Dilutive Securities:
Stock options	—		99,295			—		8,591
Diluted:
Net income available to common unitholders	$	122,558	67,435,459	$	1.82	$	76,254	67,536,937	$	1.13

	Nine Months Ended September 30, 2021					Nine Months Ended September 30, 2020
	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	$	364,083	67,307,259	$	5.41	$	489,668	67,858,961	$	7.22
Effect of Dilutive Securities:
Stock options	—		61,697			—		20,026
DownREIT units	—		—			587		94,247
Diluted:
Net income available to common unitholders	$	364,083	67,368,956	$	5.40	$	490,255	67,973,234	$	7.21