Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Marketable securities, allowance for credit loss	$ 0	$ 0
Notes and other receivable, allowance for credit loss	751	0
Due from related parties	$ 4,700	$ 90,200
Common stock, par value per share	$ 0.0001	$ 0.0001
Common stock, shares authorized	670,000,000	670,000,000
Common stock, shares issued	64,999,015	66,091,954
Common stock shares outstanding	64,999,015	66,091,954
Essex Portfolio, L.P.
Marketable securities, allowance for credit loss	$ 0	$ 0
Notes and other receivable, allowance for credit loss	800	0
Due from related parties	$ 4,700	$ 90,200
Essex Portfolio, L.P. | General Partner
Common stock, shares issued	64,999,015	66,091,954
Common stock shares outstanding	64,999,015	66,091,954
Essex Portfolio, L.P. | Limited Partner
Common stock, shares issued	2,294,760	2,301,653
Common stock shares outstanding	2,294,760	2,301,653