CONSOLIDATED BALANCE SHEETS OF ERP OPERATING LIMITED PARTNERSHIP (Unaudited) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Investment in real estate
Land	$ 6,296,735	$ 6,192,512
Depreciable property	19,730,737	19,226,047
Projects under development	1,006,992	988,867
Land held for development	306,625	393,522
Real Estate Investment Property, at Cost	27,341,089	26,800,948
Real Estate Investment Property, Accumulated Depreciation	(5,170,438)	(4,807,709)
Investment in real estate, net	22,170,651	21,993,239
Cash and cash equivalents	76,132	53,534
Investments in unconsolidated entities	142,318	178,526
Deposits - restricted	84,408	103,567
Escrow deposits - mortgage	45,269	42,636
Deferred financing costs, net	63,441	58,486
Other assets	409,183	404,557
Total assets	22,991,402	22,834,545
Liabilities:
Mortgage notes payable	5,158,091	5,174,166
Notes, net	5,923,952	5,477,088
Lines of credit	0	115,000
Accounts payable and accrued expenses	168,225	118,791
Accrued interest payable	78,389	78,309
Other liabilities	331,662	347,748
Security deposits	74,508	71,592
Distributions payable	187,906	243,511
Total liabilities	11,922,733	11,626,205
Commitments and contingencies
Partners’ Capital:
Accumulated other comprehensive (loss)	(166,990)	(155,162)
Noncontrolling Interests - Partially Owned Properties	125,843	126,583
Total liabilities and equity	22,991,402	22,834,545
OPERATING PARTNERSHIP
Investment in real estate
Land	6,296,735	6,192,512
Depreciable property	19,730,737	19,226,047
Projects under development	1,006,992	988,867
Land held for development	306,625	393,522
Real Estate Investment Property, at Cost	27,341,089	26,800,948
Real Estate Investment Property, Accumulated Depreciation	(5,170,438)	(4,807,709)
Investment in real estate, net	22,170,651	21,993,239
Cash and cash equivalents	76,132	53,534
Investments in unconsolidated entities	142,318	178,526
Deposits - restricted	84,408	103,567
Escrow deposits - mortgage	45,269	42,636
Deferred financing costs, net	63,441	58,486
Other assets	409,183	404,557
Total assets	22,991,402	22,834,545
Liabilities:
Mortgage notes payable	5,158,091	5,174,166
Notes, net	5,923,952	5,477,088
Lines of credit	0	115,000
Accounts payable and accrued expenses	168,225	118,791
Accrued interest payable	78,389	78,309
Other liabilities	331,662	347,748
Security deposits	74,508	71,592
Distributions payable	187,906	243,511
Total liabilities	11,922,733	11,626,205
Commitments and contingencies
Redeemable Limited Partners	440,050	363,144
Partners’ Capital:
Preferred Units, Preferred Partners' Capital Accounts	50,000	50,000
General Partner	10,406,728	10,612,363
Limited Partners	213,038	211,412
Accumulated other comprehensive (loss)	(166,990)	(155,162)
Total partners’ capital	10,502,776	10,718,613
Noncontrolling Interests - Partially Owned Properties	125,843	126,583
Total capital	10,628,619	10,845,196
Total liabilities and equity	$ 22,991,402	$ 22,834,545