CONSOLIDATED BALANCE SHEETS OF ERP OPERATING LIMITED PARTNERSHIP (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Investment in real estate
Land	$ 5,927,949	$ 5,899,862
Depreciable property	19,123,571	18,730,579
Projects under development	325,823	637,168
Land held for development	112,474	118,816
Investment in real estate	25,489,817	25,386,425
Accumulated depreciation	(5,671,510)	(5,360,389)
Investment in real estate, net	19,818,307	20,026,036
Cash and cash equivalents	37,719	77,207
Investments in unconsolidated entities	59,246	60,141
Deposits – restricted	254,378	76,946
Escrow deposits – mortgage	21,016	64,935
Other assets	445,909	398,883
Total assets	20,636,575	20,704,148
Liabilities:
Mortgage notes payable, net	3,743,363	4,119,181
Notes, net	4,456,365	4,848,079
Line of credit and commercial paper	764,361	19,998
Accounts payable and accrued expenses	137,920	147,482
Accrued interest payable	48,823	60,946
Other liabilities	324,002	350,466
Security deposits	63,648	62,624
Distributions payable	191,717	192,296
Total liabilities	9,730,199	9,801,072
Commitments and contingencies
Partners' Capital:
Accumulated other comprehensive (loss)	(101,151)	(113,909)
Noncontrolling Interests – Partially Owned Properties	6,303	10,609
Total liabilities and equity/capital	20,636,575	20,704,148
ERPOP [Member]
Investment in real estate
Land	5,927,949	5,899,862
Depreciable property	19,123,571	18,730,579
Projects under development	325,823	637,168
Land held for development	112,474	118,816
Investment in real estate	25,489,817	25,386,425
Accumulated depreciation	(5,671,510)	(5,360,389)
Investment in real estate, net	19,818,307	20,026,036
Cash and cash equivalents	37,719	77,207
Investments in unconsolidated entities	59,246	60,141
Deposits – restricted	254,378	76,946
Escrow deposits – mortgage	21,016	64,935
Other assets	445,909	398,883
Total assets	20,636,575	20,704,148
Liabilities:
Mortgage notes payable, net	3,743,363	4,119,181
Notes, net	4,456,365	4,848,079
Line of credit and commercial paper	764,361	19,998
Accounts payable and accrued expenses	137,920	147,482
Accrued interest payable	48,823	60,946
Other liabilities	324,002	350,466
Security deposits	63,648	62,624
Distributions payable	191,717	192,296
Total liabilities	9,730,199	9,801,072
Commitments and contingencies
Redeemable Limited Partners	380,519	442,092
Partners' Capital:
Preference Units	37,280	37,280
General Partner	10,354,376	10,305,707
Limited Partners	229,049	221,297
Accumulated other comprehensive (loss)	(101,151)	(113,909)
Total partners' capital	10,519,554	10,450,375
Noncontrolling Interests – Partially Owned Properties	6,303	10,609
Total capital	10,525,857	10,460,984
Total liabilities and equity/capital	$ 20,636,575	$ 20,704,148