CONSOLIDATED BALANCE SHEETS OF ERP OPERATING LIMITED PARTNERSHIP (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
ASSETS
Land	$ 5,866,457	$ 5,996,024
Depreciable property	20,336,747	19,768,362
Projects under development	134,961	163,547
Land held for development	87,335	98,963
Investment in real estate	26,425,500	26,026,896
Accumulated depreciation	(6,494,770)	(6,040,378)
Investment in real estate, net	19,930,730	19,986,518
Investments in unconsolidated entities	57,576	58,254
Cash and cash equivalents	32,995	50,647
Restricted deposits	55,755	50,115
Other assets	465,094	425,065
Total assets	20,542,150	20,570,599
Liabilities:
Mortgage notes payable, net	2,789,436	3,618,722
Notes, net	5,534,990	5,038,812
Line of credit and commercial paper	499,367	299,757
Accounts payable and accrued expenses	182,446	114,766
Accrued interest payable	69,132	58,035
Other liabilities	344,373	341,852
Security deposits	67,177	65,009
Distributions payable	206,899	192,828
Total liabilities	9,693,820	9,729,781
Commitments and contingencies
Partners’ Capital:
Accumulated other comprehensive income (loss)	(50,689)	(88,612)
Noncontrolling Interests – Partially Owned Properties	(2,158)	4,708
Total liabilities and equity/capital	20,542,150	20,570,599
ERPOP [Member]
ASSETS
Land	5,866,457	5,996,024
Depreciable property	20,336,747	19,768,362
Projects under development	134,961	163,547
Land held for development	87,335	98,963
Investment in real estate	26,425,500	26,026,896
Accumulated depreciation	(6,494,770)	(6,040,378)
Investment in real estate, net	19,930,730	19,986,518
Investments in unconsolidated entities	57,576	58,254
Cash and cash equivalents	32,995	50,647
Restricted deposits	55,755	50,115
Other assets	465,094	425,065
Total assets	20,542,150	20,570,599
Liabilities:
Mortgage notes payable, net	2,789,436	3,618,722
Notes, net	5,534,990	5,038,812
Line of credit and commercial paper	499,367	299,757
Accounts payable and accrued expenses	182,446	114,766
Accrued interest payable	69,132	58,035
Other liabilities	344,373	341,852
Security deposits	67,177	65,009
Distributions payable	206,899	192,828
Total liabilities	9,693,820	9,729,781
Commitments and contingencies
Redeemable Limited Partners	381,239	366,955
Partners’ Capital:
Preference Units	37,280	37,280
General Partner	10,248,833	10,293,796
Limited Partners	233,825	226,691
Accumulated other comprehensive income (loss)	(50,689)	(88,612)
Total partners’ capital	10,469,249	10,469,155
Noncontrolling Interests – Partially Owned Properties	(2,158)	4,708
Total capital	10,467,091	10,473,863
Total liabilities and equity/capital	$ 20,542,150	$ 20,570,599