Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
REVENUES
Rental and other property revenues	$ 244,115	$ 240,382	$ 728,467	$ 717,308
Tax credit and asset management revenues	4,789	6,005	17,894	18,127
Total revenues	248,904	246,387	746,361	735,435
OPERATING EXPENSES
Property operating expenses	91,523	88,621	268,225	272,043
Investment management expenses	938	1,905	2,930	4,594
Depreciation and amortization	84,848	77,237	245,356	226,819
General and administrative expenses	11,320	11,013	34,509	33,727
Other expenses, net	1,543	3,590	8,639	7,521
Total operating expenses	190,172	182,366	559,659	544,704
Operating income	58,732	64,021	186,702	190,731
Interest income	2,163	1,737	5,841	5,167
Interest expense	(49,377)	(48,285)	(145,905)	(151,410)
Other, net	558	(1,983)	5,541	631
Income before income taxes and gain on dispositions	12,076	15,490	52,179	45,119
Income tax benefit	3,462	8,279	16,469	21,014
Income before gain on dispositions	15,538	23,769	68,648	66,133
Gain on dispositions of real estate, net of tax	14,498	0	237,226	130,474
Net income	30,036	23,769	305,874	196,607
Noncontrolling interests:
Net (income) loss attributable to noncontrolling interests in consolidated real estate partnerships	(12,489)	785	(22,096)	(4,082)
Net income attributable to preferred noncontrolling interests in Aimco Operating Partnership	(1,842)	(1,736)	(5,276)	(5,208)
Net income attributable to common noncontrolling interests in Aimco Operating Partnership	(192)	(893)	(12,499)	(8,263)
Net income attributable to noncontrolling interests	(14,523)	(1,844)	(39,871)	(17,553)
Net income attributable to the company	15,513	21,925	266,003	179,054
Net income attributable to the company's preferred equity holders	(4,323)	(2,757)	(9,838)	(9,037)
Net (income) loss attributable to participating securities	(14)	11	(384)	(690)
Net income attributable to the company's common equity holders	$ 11,176	$ 19,179	$ 255,781	$ 169,327
Earnings attributable to the company per common share/unit
Net income attributable to the company per common share/unit - basic and diluted (in dollars per share/unit)	$ 0.07	$ 0.12	$ 1.64	$ 1.09
Dividends declared per common share/unit	$ 0.33	$ 0.30	$ 0.99	$ 0.88
Weighted average number of shares outstanding - basic	156,079	155,639	155,944	154,994
Weighted average number of shares outstanding - diluted	156,527	156,008	156,341	155,412
AIMCO PROPERTIES, L.P [Member]
REVENUES
Rental and other property revenues	$ 244,115	$ 240,382	$ 728,467	$ 717,308
Tax credit and asset management revenues	4,789	6,005	17,894	18,127
Total revenues	248,904	246,387	746,361	735,435
OPERATING EXPENSES
Property operating expenses	91,523	88,621	268,225	272,043
Investment management expenses	938	1,905	2,930	4,594
Depreciation and amortization	84,848	77,237	245,356	226,819
General and administrative expenses	11,320	11,013	34,509	33,727
Other expenses, net	1,543	3,590	8,639	7,521
Total operating expenses	190,172	182,366	559,659	544,704
Operating income	58,732	64,021	186,702	190,731
Interest income	2,163	1,737	5,841	5,167
Interest expense	(49,377)	(48,285)	(145,905)	(151,410)
Other, net	558	(1,983)	5,541	631
Income before income taxes and gain on dispositions	12,076	15,490	52,179	45,119
Income tax benefit	3,462	8,279	16,469	21,014
Income before gain on dispositions	15,538	23,769	68,648	66,133
Gain on dispositions of real estate, net of tax	14,498	0	237,226	130,474
Net income	30,036	23,769	305,874	196,607
Noncontrolling interests:
Net (income) loss attributable to noncontrolling interests in consolidated real estate partnerships	(12,489)	785	(22,096)	(4,082)
Net income attributable to the company	17,547	24,554	283,778	192,525
Net income attributable to the company's preferred equity holders	(6,165)	(4,493)	(15,114)	(14,245)
Net (income) loss attributable to participating securities	(14)	11	(384)	(690)
Net income attributable to the company's common equity holders	$ 11,368	$ 20,072	$ 268,280	$ 177,590
Earnings attributable to the company per common share/unit
Net income attributable to the company per common share/unit - basic (in dollars per share/unit)	$ 0.07	$ 0.12	$ 1.64	$ 1.09
Net income attributable to the company per common share/unit - diluted (in dollars per share/unit)	0.07	0.12	1.63	1.09
Dividends declared per common share/unit	$ 0.33	$ 0.30	$ 0.99	$ 0.88
Weighted average number of shares outstanding - basic	163,832	163,241	163,749	162,616
Weighted average number of shares outstanding - diluted	164,280	163,610	164,146	163,034