Disposals and Discontinued Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013
Components of income from discontinued operations including portions attributable to Aimco and noncontrolling interests
Rental and other property revenues		$ 18,620
Property operating expenses		(8,553)
Depreciation and amortization		(4,880)
Recovery of real estate impairment losses		227
Operating income		5,414
Interest income		78
Interest expense		(4,201)
Income before gain on dispositions of real estate and income tax		1,291
Gain on dispositions of real estate		3,329
Income tax expense		(124)
Income from discontinued operations, net	0	4,496
Loss from discontinued operations attributable to noncontrolling interests in consolidated real estate partnerships		2,217
Income from discontinued operations attributable to the Aimco Operating Partnership		6,713
Income from discontinued operations attributable to noncontrolling interests in Aimco Operating Partnership		(316)
Income from discontinued operations attributable to Aimco	$ 0	$ 6,397

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Income (loss) from a disposal group that is classified as a component of the entity, before gain on dispositions of real estate and income tax.

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Income from discontinued operations attributable to the Aimco operating partnership.

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Amount of income or loss from discontinued operations for the period allocated to noncontrolling partners of a limited partnership included in the entity's consolidated financial statements.

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Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Amount of depreciation and amortization attributable to disposal group.

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Amount of interest expense allocated to disposal group, including a discontinued operation.

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Amount of interest income attributable to disposal group.

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Amount of operating expenses attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of operating income or loss attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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Amount of sales or other form of revenues attributable to the disposal group, including a component of the entity (discontinued operation), during the reporting period.

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The aggregate amount of write-downs for impairments recognized during the period for long-lived assets held for abandonment, exchange or sale.

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