CONSOLIDATED BALANCE SHEETS OF ERP OPERATING LIMITED PARTNERSHIP (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
ASSETS
Land	$ 5,780,705	$ 5,785,367
Depreciable property	21,161,984	20,920,654
Projects under development	372,243	411,134
Land held for development	90,446	86,170
Investment in real estate	27,405,378	27,203,325
Accumulated depreciation	(8,164,287)	(7,859,657)
Investment in real estate, net	19,241,091	19,343,668
Investments in unconsolidated entities	53,364	52,782
Cash and cash equivalents	39,492	42,591
Restricted deposits	353,009	57,137
Right-of-use assets	480,671	499,287
Other assets	296,719	291,426
Total assets	20,464,346	20,286,891
Liabilities:
Mortgage notes payable, net	2,280,251	2,293,890
Notes, net	5,338,671	5,335,536
Line of credit and commercial paper	631,770	414,830
Accounts payable and accrued expenses	114,288	107,366
Accrued interest payable	65,814	65,896
Lease liabilities	314,379	329,130
Other liabilities	341,817	345,064
Security deposits	62,228	60,480
Distributions payable	232,958	232,262
Total liabilities	9,382,176	9,184,454
Commitments and contingencies
Redeemable Limited Partners	440,123	338,951
Partners’ Capital:
Accumulated other comprehensive income (loss)	(39,029)	(43,666)
Noncontrolling Interests – Partially Owned Properties	2,365	4,673
Total liabilities and equity/capital	20,464,346	20,286,891
ERPOP [Member]
ASSETS
Land	5,780,705	5,785,367
Depreciable property	21,161,984	20,920,654
Projects under development	372,243	411,134
Land held for development	90,446	86,170
Investment in real estate	27,405,378	27,203,325
Accumulated depreciation	(8,164,287)	(7,859,657)
Investment in real estate, net	19,241,091	19,343,668
Investments in unconsolidated entities	53,364	52,782
Cash and cash equivalents	39,492	42,591
Restricted deposits	353,009	57,137
Right-of-use assets	480,671	499,287
Other assets	296,719	291,426
Total assets	20,464,346	20,286,891
Liabilities:
Mortgage notes payable, net	2,280,251	2,293,890
Notes, net	5,338,671	5,335,536
Line of credit and commercial paper	631,770	414,830
Accounts payable and accrued expenses	114,288	107,366
Accrued interest payable	65,814	65,896
Lease liabilities	314,379	329,130
Other liabilities	341,817	345,064
Security deposits	62,228	60,480
Distributions payable	232,958	232,262
Total liabilities	9,382,176	9,184,454
Commitments and contingencies
Redeemable Limited Partners	440,123	338,951
Partners’ Capital:
Preference Units	37,280	37,280
General Partner	10,435,740	10,532,037
Limited Partners	205,691	233,162
Accumulated other comprehensive income (loss)	(39,029)	(43,666)
Total partners’ capital	10,639,682	10,758,813
Noncontrolling Interests – Partially Owned Properties	2,365	4,673
Total capital	10,642,047	10,763,486
Total liabilities and equity/capital	$ 20,464,346	$ 20,286,891