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

No definition available.

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

No definition available.

+ Details

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Data Type:	xbrli:integerItemType
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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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Reflects the sum of all other revenue and income realized from sales and other transactions (excluding transactions that are eliminated in consolidated or combined financial statements) with related party during the period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Details

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Business Segments (Details Textual) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Segment Reporting Information [Line Items]
Number of reportable segments	2
AIMCO PROPERTIES, L.P
Segment Reporting Information [Line Items]
Interest income recognized from notes receivable from Aimco			$ 1.3
Conventional Real Estate Operations [Member]
Segment Reporting Information [Line Items]
Captial Additions	365.3	252.3	191.6
Affordable Real Estate Operations [Member]
Segment Reporting Information [Line Items]
Captial Additions	$ 10.7	$ 19.8	$ 15.6
Affordable Real Estate [Member]
Segment Reporting Information [Line Items]
Number of apartment communities in segments	74
Number of homes in apartment communities	10,067
Conventional Real Estate [Member]
Segment Reporting Information [Line Items]
Number of apartment communities in segments	162
Number of homes in apartment communities	50,486