Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
ASSETS
Buildings and improvements	$ 6,421,572	$ 6,259,318
Land	1,878,350	1,885,640
Total real estate	8,299,922	8,144,958
Accumulated depreciation	(2,719,651)	(2,672,179)
Net real estate ($342,568 and $360,160 related to VIEs)	5,580,271	5,472,779
Cash and cash equivalents ($19,944 and $17,108 related to VIEs)	45,241	28,971
Restricted cash ($34,930 and $36,196 related to VIEs)	93,230	91,445
Other assets ($170,046 and $182,108 related to VIEs)	478,961	476,727
Assets held for sale	19,959	27,106
Total assets	6,217,662	6,097,028
LIABILITIES AND EQUITY
Non-recourse property debt ($327,403 and $336,471 related to VIEs)	3,807,699	4,022,809
Revolving credit facility borrowings	128,200	112,330
Total indebtedness	3,935,899	4,135,139
Accounts payable	37,311	41,919
Accrued liabilities and other ($172,290 and $135,644 related to VIEs)	324,746	279,077
Deferred income	65,694	81,882
Liabilities related to assets held for sale	17,311	28,969
Total liabilities	4,380,961	4,566,986
Preferred noncontrolling interests in Aimco Operating Partnership	$ 87,937	$ 87,937
Commitments and contingencies (Note 6)
Equity/Partners' Capital:
Perpetual Preferred Stock	$ 159,126	$ 186,126
Common Stock, $0.01 par value, 500,787,260 shares authorized, 156,421,276 and 146,403,274 shares issued/outstanding at September 30, 2015 and December 31, 2014, respectively	1,564	1,464
Additional paid-in capital	4,064,729	3,696,143
Accumulated other comprehensive loss	(6,810)	(6,456)
Distributions in excess of earnings	(2,616,919)	(2,649,542)
Total Aimco equity	1,601,690	1,227,735
Noncontrolling interests in consolidated real estate partnerships	164,439	233,296
Common noncontrolling interests in Aimco Operating Partnership	(17,365)	(18,926)
Total equity	1,748,764	1,442,105
Total liabilities and equity/partners' capital	6,217,662	6,097,028
AIMCO PROPERTIES, L.P [Member]
ASSETS
Buildings and improvements	6,421,572	6,259,318
Land	1,878,350	1,885,640
Total real estate	8,299,922	8,144,958
Accumulated depreciation	(2,719,651)	(2,672,179)
Net real estate ($342,568 and $360,160 related to VIEs)	5,580,271	5,472,779
Cash and cash equivalents ($19,944 and $17,108 related to VIEs)	45,241	28,971
Restricted cash ($34,930 and $36,196 related to VIEs)	93,230	91,445
Other assets ($170,046 and $182,108 related to VIEs)	478,961	476,727
Assets held for sale	19,959	27,106
Total assets	6,217,662	6,097,028
LIABILITIES AND EQUITY
Non-recourse property debt ($327,403 and $336,471 related to VIEs)	3,807,699	4,022,809
Revolving credit facility borrowings	128,200	112,330
Total indebtedness	3,935,899	4,135,139
Accounts payable	37,311	41,919
Accrued liabilities and other ($172,290 and $135,644 related to VIEs)	324,746	279,077
Deferred income	65,694	81,882
Liabilities related to assets held for sale	17,311	28,969
Total liabilities	4,380,961	4,566,986
Preferred noncontrolling interests in Aimco Operating Partnership	$ 87,937	$ 87,937
Commitments and contingencies (Note 6)
Equity/Partners' Capital:
Preferred units	$ 159,126	$ 186,126
General Partner and Special Limited Partner	1,442,564	1,041,609
Limited Partners	(17,365)	(18,926)
Partners’ capital attributable to the Aimco Operating Partnership	1,584,325	1,208,809
Noncontrolling interests in consolidated real estate partnerships	164,439	233,296
Total partners’ capital	1,748,764	1,442,105
Total liabilities and equity/partners' capital	$ 6,217,662	$ 6,097,028