EPLP - Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)	Mar. 31, 2022	Dec. 31, 2021
Marketable securities, allowance for credit loss	$ 0	$ 0
Notes and other receivables, allowance for credit loss	701,000	756,000
Related party receivables	$ 39,900,000	$ 176,900,000
Common stock, shares issued (in shares)	65,332,274	65,248,393
Common stock, shares outstanding (in shares)	65,332,274	65,248,393
Essex Portfolio, L.P.
Marketable securities, allowance for credit loss	$ 0	$ 0
Notes and other receivables, allowance for credit loss	700,000	800,000
Related party receivables	$ 39,900,000	$ 176,900,000
Essex Portfolio, L.P. | General Partner
Common stock, shares issued (in shares)	65,332,274	65,248,393
Common stock, shares outstanding (in shares)	65,332,274	65,248,393
Essex Portfolio, L.P. | Limited Partners
Common stock, shares issued (in shares)	2,282,464	2,282,464
Common stock, shares outstanding (in shares)	2,282,464	2,282,464