Common partnership units and equivalents of operating partnership outstanding

No definition available.

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- Details

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- Definition

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 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=6959260&loc=d3e187085-122770

Reference 2: 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 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 12

-Paragraph 10

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 30

-Article 5

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 04

-Article 3

Reference 6: 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

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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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- Definition

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

+ References

No definition available.

+ Details

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Organization (Details)			12 Months Ended
Organization (Details)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Conventional Real Estate Operations [Member] Units Property	Dec. 31, 2012 Affordable Real Estate Operations [Member] Units Property	Dec. 31, 2012 Consolidated Properties [Member] Conventional Real Estate Operations [Member] Units Property	Dec. 31, 2012 Consolidated Properties [Member] Affordable Real Estate Operations [Member] Property Units
Organization
Common partnership units and equivalents of the Aimco Operating Partnership outstanding	153,569,090
Aimco's ownership interest in AIMCO Properties, L.P.	94.80%
Shares of common stock outstanding	145,563,903	120,916,294
Number of owned real estate properties in segments			175	90	171	72
Number of units in owned real estate properties in segments			55,879	12,098	55,737	10,370
Percentage of proportionate property net operating income generated by segment			90.00%	10.00%