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Percentage of proportionate property net operating income generated by segment.

+ References

No definition available.

+ Details

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.3-04)

-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.29)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

+ Details

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Data Type:	xbrli:sharesItemType
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- Definition

The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

+ References

No definition available.

+ Details

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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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Period Type:	instant

- Definition

The number of units in a real estate property owned as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfUnitsInRealEstateProperty
Namespace Prefix:	us-gaap_
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Organization (Details Textual)			9 Months Ended		9 Months Ended
Organization (Details Textual)	Sep. 30, 2014	Dec. 31, 2013	Sep. 30, 2014 Conventional Real Estate Operations [Member] Property Units	Sep. 30, 2014 Conventional Real Estate Operations [Member] Consolidated Properties [Member] Property Units	Sep. 30, 2014 Affordable Real Estate Operations [Member] Property Units	Sep. 30, 2014 Affordable Real Estate Operations [Member] Consolidated Properties [Member] Property Units	Sep. 30, 2014 AIMCO PROPERTIES, L.P
Organization [Line Items]
Shares of common stock/units outstanding	146,205,371	145,917,387					153,862,956
Aimco's ownership interest in AIMCO Properties, L.P.	95.00%
Number of owned apartment communities in segments			143	139	61	54
Number of Apartment Homes in Apartment Communities			43,306	43,164	9,142	8,455
Percentage of proportionate property net operating income generated by segment			90.00%		10.00%