Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Real estate, at cost:
Land	$ 3,143,648	$ 3,130,825
Buildings and improvements	9,898,605	9,684,144
Development costs and construction in progress	1,615,101	1,278,941
Leasehold improvements and equipment	98,941	93,910
Total	14,756,295	14,187,820
Less accumulated depreciation and amortization	(2,885,283)	(2,581,514)
Real estate, net	11,871,012	11,606,306
Cash and cash equivalents	1,817,655	1,501,027
Restricted cash	97,157	95,032
Marketable securities	182,752	203,704
Tenant and other receivables, net of allowance for doubtful accounts of $5,526 and $6,708	58,700	61,069
Investments in partially owned entities	1,056,829	1,378,254
Real estate fund investments	354,804	462,132
Receivable arising from the straight-lining of rents, net of allowance of $954 and $1,913	926,711	885,167
Deferred leasing costs, net of accumulated amortization of $191,827 and $170,952	403,492	354,997
Identified intangible assets, net of accumulated amortization of $150,837 and $194,422	159,260	189,668
Assets related to discontinued operations	1,357	3,568,613
Other assets	468,205	508,878
Assets	17,397,934	20,814,847
LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND EQUITY
Mortgages payable, net	8,137,139	8,113,248
Senior unsecured notes, net	843,614	845,577
Unsecured term loan, net	748,734	372,215
Unsecured revolving credit facilities	0	115,630
Accounts payable and accrued expenses	415,794	397,134
Deferred revenue	227,069	276,276
Deferred compensation plan	109,177	121,183
Liabilities related to discontinued operations	3,620	1,259,443
Preferred shares/units to be redeemed on January 4 and 11, 2018	455,514	0
Other liabilities	464,635	417,199
Total liabilities	11,405,296	11,917,905
Commitments and contingencies
Redeemable noncontrolling interests / partnership units:
Class A units - 12,528,899 and 12,197,162 units outstanding	979,509	1,273,018
Series D cumulative redeemable preferred units - 177,101 units outstanding	5,428	5,428
Total redeemable noncontrolling interests	984,937	1,278,446
Vornado's shareholders' equity:
Preferred shares of beneficial interest: no par value per share; authorized 110,000,000 shares; issued and outstanding 36,799,573 and 42,824,829 shares	891,988	1,038,055
Common shares of beneficial interest: $0.04 par value per share; authorized 250,000,000 shares; issued and outstanding 189,983,858 and 189,100,876 shares	7,577	7,542
Additional capital	7,492,658	7,153,332
Earnings less than distributions	(4,183,253)	(1,419,382)
Accumulated other comprehensive income	128,682	118,972
Total Vornado and Vornado Realty L.P. shareholders' equity	4,337,652	6,898,519
Noncontrolling interests in consolidated subsidiaries	670,049	719,977
Total equity	5,007,701	7,618,496
Total liabilities, redeemable noncontrolling interests / partnership units and equity	17,397,934	20,814,847
Vornado Realty L.P.
Real estate, at cost:
Land	3,143,648	3,130,825
Buildings and improvements	9,898,605	9,684,144
Development costs and construction in progress	1,615,101	1,278,941
Leasehold improvements and equipment	98,941	93,910
Total	14,756,295	14,187,820
Less accumulated depreciation and amortization	(2,885,283)	(2,581,514)
Real estate, net	11,871,012	11,606,306
Cash and cash equivalents	1,817,655	1,501,027
Restricted cash	97,157	95,032
Marketable securities	182,752	203,704
Tenant and other receivables, net of allowance for doubtful accounts of $5,526 and $6,708	58,700	61,069
Investments in partially owned entities	1,056,829	1,378,254
Real estate fund investments	354,804	462,132
Receivable arising from the straight-lining of rents, net of allowance of $954 and $1,913	926,711	885,167
Deferred leasing costs, net of accumulated amortization of $191,827 and $170,952	403,492	354,997
Identified intangible assets, net of accumulated amortization of $150,837 and $194,422	159,260	189,668
Assets related to discontinued operations	1,357	3,568,613
Other assets	468,205	508,878
Assets	17,397,934	20,814,847
LIABILITIES, REDEEMABLE NONCONTROLLING INTERESTS AND EQUITY
Mortgages payable, net	8,137,139	8,113,248
Senior unsecured notes, net	843,614	845,577
Unsecured term loan, net	748,734	372,215
Unsecured revolving credit facilities	0	115,630
Accounts payable and accrued expenses	415,794	397,134
Deferred revenue	227,069	276,276
Deferred compensation plan	109,177	121,183
Liabilities related to discontinued operations	3,620	1,259,443
Preferred shares/units to be redeemed on January 4 and 11, 2018	455,514	0
Other liabilities	464,635	417,199
Total liabilities	11,405,296	11,917,905
Commitments and contingencies
Redeemable noncontrolling interests / partnership units:
Class A units - 12,528,899 and 12,197,162 units outstanding	979,509	1,273,018
Series D cumulative redeemable preferred units - 177,101 units outstanding	5,428	5,428
Total redeemable noncontrolling interests	984,937	1,278,446
Vornado's shareholders' equity:
Partners' capital	8,392,223	8,198,929
Earnings less than distributions	(4,183,253)	(1,419,382)
Accumulated other comprehensive income	128,682	118,972
Total Vornado and Vornado Realty L.P. shareholders' equity	4,337,652	6,898,519
Noncontrolling interests in consolidated subsidiaries	670,049	719,977
Total equity	5,007,701	7,618,496
Total liabilities, redeemable noncontrolling interests / partnership units and equity	$ 17,397,934	$ 20,814,847