Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Rental properties:
Land and land improvements	$ 2,983,314	$ 2,773,805
Buildings and improvements	12,263,293	11,264,337
Total rental properties	15,246,607	14,038,142
Less: accumulated depreciation	(3,818,489)	(3,689,482)
Net real estate	11,428,118	10,348,660
Real estate under development	435,865	546,075
Co-investments	997,137	1,335,339
Total real estate	12,861,120	12,230,074
Cash and cash equivalents-unrestricted	271,877	70,087
Cash and cash equivalents-restricted	10,470	11,007
Marketable securities, net of allowance for credit losses of $13.6 million and zero as of March 31, 2020 and December 31, 2019, respectively	148,139	144,193
Notes and other receivables, net of allowance for credit losses of $0.1 million and zero as of March 31, 2020 and December 31, 2019, respectively (includes related party receivables of $7.7 million and $90.2 million as of March 31, 2020 and December 31, 2019, respectively)	34,867	134,365
Operating lease right-of-use assets	74,428	74,744
Prepaid expenses and other assets	49,940	40,935
Total assets	13,450,841	12,705,405
LIABILITIES AND EQUITY/CAPITAL
Unsecured debt, net	5,258,263	4,763,206
Mortgage notes payable, net	887,389	990,667
Lines of credit	350,000	55,000
Accounts payable and accrued liabilities	193,564	158,017
Construction payable	50,538	48,912
Dividends/Distributions payable	142,800	135,384
Operating lease liabilities	76,405	76,740
Other liabilities	41,290	36,565
Total liabilities	7,000,249	6,264,491
Commitments and contingencies
Redeemable noncontrolling interest	32,643	37,410
Equity/Capital:
Common stock; $.0001 par value, 670,000,000 shares authorized; 65,412,355 and 66,091,954 shares issued and outstanding, respectively	7	7
Additional paid-in capital	6,959,523	7,121,927
Distributions in excess of accumulated earnings	(708,697)	(887,619)
Limited Partners:
Accumulated other comprehensive loss, net	(22,668)	(13,888)
Total stockholders' equity	6,228,165	6,220,427
Noncontrolling interest	189,784	183,077
Total equity	6,417,949	6,403,504
Total liabilities and equity/capital	13,450,841	12,705,405
Essex Portfolio, L.P.
Rental properties:
Land and land improvements	2,983,314	2,773,805
Buildings and improvements	12,263,293	11,264,337
Total rental properties	15,246,607	14,038,142
Less: accumulated depreciation	(3,818,489)	(3,689,482)
Net real estate	11,428,118	10,348,660
Real estate under development	435,865	546,075
Co-investments	997,137	1,335,339
Total real estate	12,861,120	12,230,074
Cash and cash equivalents-unrestricted	271,877	70,087
Cash and cash equivalents-restricted	10,470	11,007
Marketable securities, net of allowance for credit losses of $13.6 million and zero as of March 31, 2020 and December 31, 2019, respectively	148,139	144,193
Notes and other receivables, net of allowance for credit losses of $0.1 million and zero as of March 31, 2020 and December 31, 2019, respectively (includes related party receivables of $7.7 million and $90.2 million as of March 31, 2020 and December 31, 2019, respectively)	34,867	134,365
Operating lease right-of-use assets	74,428	74,744
Prepaid expenses and other assets	49,940	40,935
Total assets	13,450,841	12,705,405
LIABILITIES AND EQUITY/CAPITAL
Unsecured debt, net	5,258,263	4,763,206
Mortgage notes payable, net	887,389	990,667
Lines of credit	350,000	55,000
Accounts payable and accrued liabilities	193,564	158,017
Construction payable	50,538	48,912
Dividends/Distributions payable	142,800	135,384
Operating lease liabilities	76,405	76,740
Other liabilities	41,290	36,565
Total liabilities	7,000,249	6,264,491
Commitments and contingencies
Redeemable noncontrolling interest	32,643	37,410
General Partner:
Common equity (65,412,355 and 66,091,954 units issued and outstanding, respectively)	6,250,833	6,234,315
Limited Partners:
Common equity (2,296,043 and 2,301,653 units issued and outstanding, respectively)	63,550	57,359
Accumulated other comprehensive loss, net	(19,519)	(10,432)
Total partners' capital	6,294,864	6,281,242
Noncontrolling interest	123,085	122,262
Total capital	6,417,949	6,403,504
Total liabilities and equity/capital	$ 13,450,841	$ 12,705,405