Consolidated Statements of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
REVENUES:
Rental and other property revenues	$ 952,831	$ 939,231	$ 916,742
Tax credit and asset management revenues	31,532	34,822	41,769
Total revenues	984,363	974,053	958,511
OPERATING EXPENSES:
Property operating expenses	373,316	375,672	374,347
Investment management expenses	7,310	4,341	12,008
Depreciation and amortization	282,608	291,910	325,173
Provision for real estate impairment losses	1,820	0	6,235
General and administrative expenses	44,195	45,708	49,602
Other expenses, net	12,764	7,403	12,130
Total operating expenses	722,013	725,034	779,495
Operating income	262,350	249,019	179,016
Interest income	6,878	17,943	13,265
Interest expense	(220,971)	(237,048)	(229,373)
Other, net	(829)	2,723	17,478
Income (loss) before income taxes and discontinued operations	47,428	32,637	(19,614)
Income tax benefit	20,047	1,959	858
Income (loss) from continuing operations	67,475	34,596	(18,756)
Income from discontinued operations, net of tax (Note 12)	0	203,229	214,117
Gain on dispositions of real estate, net of tax (Note 12)	288,636	0	0
Net income	356,111	237,825	195,361
Noncontrolling interests:
Net income attributable to noncontrolling interests in consolidated real estate partnerships	(24,595)	(12,473)	(51,218)
Net income attributable to preferred noncontrolling interests in Aimco Operating Partnership	(6,497)	(6,423)	(6,496)
Net income attributable to common noncontrolling interests in Aimco Operating Partnership	(15,770)	(11,639)	(5,191)
Net (income) loss attributable to noncontrolling interests	(46,862)	(30,535)	(62,905)
Net income (loss) attributable to the company	309,249	207,290	132,456
Net income attributable to the company's preferred equityholders	(7,947)	(2,804)	(49,888)
Net income attributable to participating securities	(1,082)	(813)	(422)
Net income (loss) attributable to the company's common equityholders	300,220	203,673	82,146
Earnings (loss) attributable to the company's common equityholders - basic and diluted (Note 13):
Income (loss) from continuing operations	$ 2.06	$ 0.29	$ (0.60)
Income from discontinued operations	$ 0.00	$ 1.11	$ 1.21
Net income	$ 2.06	$ 1.40	$ 0.61
Weighted average common shares/units outstanding - basic	145,639	145,291	134,479
Weighted average common shares/units outstanding - diluted	146,002	145,532	134,479
AIMCO PROPERTIES, L.P.
REVENUES:
Rental and other property revenues	952,831	939,231	916,742
Tax credit and asset management revenues	31,532	34,822	41,769
Total revenues	984,363	974,053	958,511
OPERATING EXPENSES:
Property operating expenses	373,316	375,672	374,347
Investment management expenses	7,310	4,341	12,008
Depreciation and amortization	282,608	291,910	325,173
Provision for real estate impairment losses	1,820	0	6,235
General and administrative expenses	44,195	45,708	49,602
Other expenses, net	12,764	7,403	12,130
Total operating expenses	722,013	725,034	779,495
Operating income	262,350	249,019	179,016
Interest income	6,878	17,943	13,265
Interest expense	(220,971)	(237,048)	(229,373)
Other, net	(829)	2,723	17,478
Income (loss) before income taxes and discontinued operations	47,428	32,637	(19,614)
Income tax benefit	20,047	1,959	858
Income (loss) from continuing operations	67,475	34,596	(18,756)
Income from discontinued operations, net of tax (Note 12)	0	203,229	214,117
Gain on dispositions of real estate, net of tax (Note 12)	288,636	0	0
Net income	356,111	237,825	195,361
Noncontrolling interests:
Net income attributable to noncontrolling interests in consolidated real estate partnerships	(24,595)	(12,473)	(51,218)
Net income (loss) attributable to the company	331,516	225,352	144,143
Net income attributable to the company's preferred equityholders	(14,444)	(9,227)	(56,384)
Net income attributable to participating securities	(1,082)	(813)	(422)
Net income (loss) attributable to the company's common equityholders	$ 315,990	$ 215,312	$ 87,337
Earnings (loss) attributable to the company's common equityholders - basic and diluted (Note 13):
Income (loss) from continuing operations	$ 2.06	$ 0.29	$ (0.60)
Income from discontinued operations	$ 0.00	$ 1.11	$ 1.21
Net income	$ 2.06	$ 1.40	$ 0.61
Weighted average common shares/units outstanding - basic	153,363	153,256	142,614
Weighted average common shares/units outstanding - diluted	153,726	153,497	142,614