Commitments and Contingencies (Details Textual) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2021 USD ($)	Sep. 30, 2021 USD ($)
Long Term Purchase Commitment [Line Items]
Bearing environmental liabilities		$ 17.5
Amount receivable to indemnification	$ 7.0	$ 7.0
Flood [Member]
Long Term Purchase Commitment [Line Items]
Loss due to contingency	$ 5.1
Loss contingency estimated recovery from Third Party		The loss is currently estimated to be $5.1 million and is included in property operating expenses in our condensed consolidated statements of operations. We anticipate this loss will be covered by our third-party insurance coverage.
Maximum [Member] \| AIMCO Operating Partnership [Member]
Long Term Purchase Commitment [Line Items]
Bearing environmental liabilities		$ 17.5

Indemnified environmental and other liabilities.

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- Definition

Liabilities Subject to Compromise, Accounts Receivable to Indemnification

+ References

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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If estimable, describe the recovery that could be expected to result from a right to proceed against a third party such as an insurer or co-defendant.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
-Topic 460
-SubTopic 10
-Section 50
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The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
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