CONSOLIDATED BALANCE SHEETS OF ERP OPERATING LIMITED PARTNERSHIP - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
ASSETS
Land	$ 5,875,803	$ 5,996,024
Depreciable property	20,435,901	19,768,362
Projects under development	109,409	163,547
Land held for development	89,909	98,963
Investment in real estate	26,511,022	26,026,896
Accumulated depreciation	(6,696,281)	(6,040,378)
Investment in real estate, net	19,814,741	19,986,518
Investments in unconsolidated entities	58,349	58,254
Cash and cash equivalents	47,442	50,647
Restricted deposits	68,871	50,115
Other assets	404,806	425,065
Total assets	20,394,209	20,570,599
Liabilities:
Mortgage notes payable, net	2,385,470	3,618,722
Notes, net	5,933,286	5,038,812
Line of credit and commercial paper	499,183	299,757
Accounts payable and accrued expenses	102,471	114,766
Accrued interest payable	62,622	58,035
Other liabilities	358,563	341,852
Security deposits	67,258	65,009
Distributions payable	206,601	192,828
Total liabilities	9,615,454	9,729,781
Commitments and contingencies
Partners’ Capital:
Accumulated other comprehensive income (loss)	(64,986)	(88,612)
Noncontrolling Interests – Partially Owned Properties	(2,293)	4,708
Total liabilities and equity/capital	20,394,209	20,570,599
ERPOP [Member]
ASSETS
Land	5,875,803	5,996,024
Depreciable property	20,435,901	19,768,362
Projects under development	109,409	163,547
Land held for development	89,909	98,963
Investment in real estate	26,511,022	26,026,896
Accumulated depreciation	(6,696,281)	(6,040,378)
Investment in real estate, net	19,814,741	19,986,518
Investments in unconsolidated entities	58,349	58,254
Cash and cash equivalents	47,442	50,647
Restricted deposits	68,871	50,115
Other assets	404,806	425,065
Total assets	20,394,209	20,570,599
Liabilities:
Mortgage notes payable, net	2,385,470	3,618,722
Notes, net	5,933,286	5,038,812
Line of credit and commercial paper	499,183	299,757
Accounts payable and accrued expenses	102,471	114,766
Accrued interest payable	62,622	58,035
Other liabilities	358,563	341,852
Security deposits	67,258	65,009
Distributions payable	206,601	192,828
Total liabilities	9,615,454	9,729,781
Commitments and contingencies
Redeemable Limited Partners	379,106	366,955
Partners’ Capital:
Preference Units	37,280	37,280
General Partner	10,200,910	10,293,796
Limited Partners	228,738	226,691
Accumulated other comprehensive income (loss)	(64,986)	(88,612)
Total partners’ capital	10,401,942	10,469,155
Noncontrolling Interests – Partially Owned Properties	(2,293)	4,708
Total capital	10,399,649	10,473,863
Total liabilities and equity/capital	$ 20,394,209	$ 20,570,599