Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
ASSETS
Buildings and improvements	$ 6,342,221	$ 6,332,723
Land	1,867,270	1,881,358
Total real estate	8,209,491	8,214,081
Less accumulated depreciation	(2,840,071)	(2,822,872)
Net real estate ($385,853 and $392,245 related to VIEs)	5,369,420	5,391,209
Cash and cash equivalents ($22,943 and $24,094 related to VIEs)	38,402	55,751
Restricted cash ($38,135 and $36,369 related to VIEs)	160,816	127,037
Other assets ($210,762 and $211,286 related to VIEs)	514,514	505,416
Total assets	6,083,152	6,079,413
LIABILITIES AND EQUITY
Non-recourse property debt ($354,084 and $355,372 related to VIEs)	4,284,763	4,337,785
Revolving credit facility borrowings	110,060	50,400
Total indebtedness	4,394,823	4,388,185
Accounts payable	35,795	43,161
Accrued liabilities and other ($142,014 and $140,910 related to VIEs)	289,615	287,595
Deferred income	102,347	107,775
Total liabilities	4,822,580	4,826,716
Preferred noncontrolling interests in Aimco Operating Partnership	79,121	79,953
Commitments and contingencies (Note 6)	0	0
Equity:
Perpetual Preferred Stock	58,114	68,114
Common Stock, $0.01 par value, 505,787,260 shares authorized, 146,099,689 and 145,917,387 shares issued/outstanding at March 31, 2014 and December 31, 2013, respectively	1,461	1,459
Additional paid-in capital	3,700,369	3,701,339
Accumulated other comprehensive loss	(4,503)	(4,602)
Distributions in excess of earnings	(2,772,345)	(2,798,853)
Total Aimco equity	983,096	967,457
Noncontrolling interests in consolidated real estate partnerships	223,806	233,008
Common noncontrolling interests in Aimco Operating Partnership	(25,451)	(27,721)
Total equity	1,181,451	1,172,744
Total liabilities and equity	6,083,152	6,079,413
AIMCO PROPERTIES, L.P
ASSETS
Buildings and improvements	6,342,221	6,332,723
Land	1,867,270	1,881,358
Total real estate	8,209,491	8,214,081
Less accumulated depreciation	(2,840,071)	(2,822,872)
Net real estate ($385,853 and $392,245 related to VIEs)	5,369,420	5,391,209
Cash and cash equivalents ($22,943 and $24,094 related to VIEs)	38,402	55,751
Restricted cash ($38,135 and $36,369 related to VIEs)	160,816	127,037
Other assets ($210,762 and $211,286 related to VIEs)	514,514	505,416
Total assets	6,083,152	6,079,413
LIABILITIES AND EQUITY
Non-recourse property debt ($354,084 and $355,372 related to VIEs)	4,284,763	4,337,785
Revolving credit facility borrowings	110,060	50,400
Total indebtedness	4,394,823	4,388,185
Accounts payable	35,795	43,161
Accrued liabilities and other ($142,014 and $140,910 related to VIEs)	289,615	287,595
Deferred income	102,347	107,775
Total liabilities	4,822,580	4,826,716
Redeemable preferred units	79,121	79,953
Commitments and contingencies (Note 6)	0	0
Equity:
Preferred units	58,114	68,114
General Partner and Special Limited Partner	924,982	899,343
Limited Partners	(25,451)	(27,721)
Partners’ capital attributable to the Aimco Operating Partnership	957,645	939,736
Noncontrolling interests in consolidated real estate partnerships	223,806	233,008
Total partners’ capital	1,181,451	1,172,744
Total liabilities and equity	$ 6,083,152	$ 6,079,413