Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 305,874	$ 196,607
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	245,356	226,819
Gain on dispositions of real estate, net of tax	(237,226)	(130,474)
Other adjustments	(10,530)	(17,137)
Net changes in operating assets and operating liabilities	(27,018)	(17,371)
Net cash provided by operating activities	276,456	258,444
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of real estate	(287,952)	(142,207)
Capital expenditures	(259,323)	(277,575)
Proceeds from dispositions of real estate	325,344	227,911
Purchases of corporate assets	(6,472)	(4,625)
Change in restricted cash	(15,992)	2,900
Deposits for purchases of real estate	0	(25,801)
Other investing activities	10,134	3,678
Net cash used in investing activities	(234,261)	(215,719)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from non-recourse property debt	190,714	232,994
Principal repayments on non-recourse property debt	(253,328)	(418,744)
Net borrowings on revolving credit facility	267,780	15,870
Proceeds from issuance of common securities	0	366,580
Redemption and repurchase of preferred securities	(34,791)	(27,000)
Payment of dividends to holders of preferred securities	(7,866)	(8,342)
Payment of dividends to holders of Common Stock	(154,661)	(137,268)
Payment of distributions to noncontrolling interests	(29,026)	(46,026)
Purchases and redemptions of noncontrolling interests	(23,051)	(2,944)
Other financing activities	(847)	(1,575)
Net cash used in financing activities	(45,076)	(26,455)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(2,881)	16,270
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	50,789	28,971
CASH AND CASH EQUIVALENTS AT END OF PERIOD	47,908	45,241
AIMCO PROPERTIES, L.P [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	305,874	196,607
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	245,356	226,819
Gain on dispositions of real estate, net of tax	(237,226)	(130,474)
Other adjustments	(10,530)	(17,137)
Net changes in operating assets and operating liabilities	(27,018)	(17,371)
Net cash provided by operating activities	276,456	258,444
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of real estate	(287,952)	(142,207)
Capital expenditures	(259,323)	(277,575)
Proceeds from dispositions of real estate	325,344	227,911
Purchases of corporate assets	(6,472)	(4,625)
Change in restricted cash	(15,992)	2,900
Deposits for purchases of real estate	0	(25,801)
Other investing activities	10,134	3,678
Net cash used in investing activities	(234,261)	(215,719)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from non-recourse property debt	190,714	232,994
Principal repayments on non-recourse property debt	(253,328)	(418,744)
Net borrowings on revolving credit facility	267,780	15,870
Proceeds from issuance of common securities	0	366,580
Redemption and repurchase of preferred securities	(34,791)	(27,000)
Payment of dividends to holders of preferred securities	(13,142)	(13,550)
Payment of distributions to General Partner and Special Limited Partner	(154,661)	(137,268)
Payment of distributions to Limited Partners	(7,693)	(6,701)
Payment of distributions to noncontrolling interests	(16,057)	(34,117)
Purchases and redemptions of noncontrolling interests	(11,869)	(328)
Other financing activities	(12,029)	(4,191)
Net cash used in financing activities	(45,076)	(26,455)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(2,881)	16,270
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	50,789	28,971
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 47,908	$ 45,241