CONSOLIDATED BALANCE SHEETS OF ERP OPERATING LIMITED PARTNERSHIP (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
ASSETS
Land	$ 5,918,994	$ 5,875,803
Depreciable property	20,691,304	20,435,901
Projects under development	135,191	109,409
Land held for development	91,647	89,909
Investment in real estate	26,837,136	26,511,022
Accumulated depreciation	(6,900,496)	(6,696,281)
Investment in real estate, net	19,936,640	19,814,741
Investments in unconsolidated entities	62,853	58,349
Cash and cash equivalents	29,391	47,442
Restricted deposits	64,115	68,871
Right-of-use assets	434,683	0
Other assets	241,129	404,806
Total assets	20,768,811	20,394,209
Liabilities:
Mortgage notes payable, net	2,671,491	2,385,470
Notes, net	5,936,335	5,933,286
Line of credit and commercial paper	344,844	499,183
Accounts payable and accrued expenses	152,831	102,471
Accrued interest payable	74,028	62,622
Lease liabilities	282,237	0
Other liabilities	321,172	358,563
Security deposits	68,335	67,258
Distributions payable	218,471	206,601
Total liabilities	10,069,744	9,615,454
Commitments and contingencies
Partners’ Capital:
Accumulated other comprehensive income (loss)	(75,013)	(64,986)
Noncontrolling Interests – Partially Owned Properties	(5,462)	(2,293)
Total liabilities and equity/capital	20,768,811	20,394,209
ERPOP [Member]
ASSETS
Land	5,918,994	5,875,803
Depreciable property	20,691,304	20,435,901
Projects under development	135,191	109,409
Land held for development	91,647	89,909
Investment in real estate	26,837,136	26,511,022
Accumulated depreciation	(6,900,496)	(6,696,281)
Investment in real estate, net	19,936,640	19,814,741
Investments in unconsolidated entities	62,853	58,349
Cash and cash equivalents	29,391	47,442
Restricted deposits	64,115	68,871
Right-of-use assets	434,683
Other assets	241,129	404,806
Total assets	20,768,811	20,394,209
Liabilities:
Mortgage notes payable, net	2,671,491	2,385,470
Notes, net	5,936,335	5,933,286
Line of credit and commercial paper	344,844	499,183
Accounts payable and accrued expenses	152,831	102,471
Accrued interest payable	74,028	62,622
Lease liabilities	282,237
Other liabilities	321,172	358,563
Security deposits	68,335	67,258
Distributions payable	218,471	206,601
Total liabilities	10,069,744	9,615,454
Commitments and contingencies
Redeemable Limited Partners	432,562	379,106
Partners’ Capital:
Preference Units	37,280	37,280
General Partner	10,084,619	10,200,910
Limited Partners	225,081	228,738
Accumulated other comprehensive income (loss)	(75,013)	(64,986)
Total partners’ capital	10,271,967	10,401,942
Noncontrolling Interests – Partially Owned Properties	(5,462)	(2,293)
Total capital	10,266,505	10,399,649
Total liabilities and equity/capital	$ 20,768,811	$ 20,394,209