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Commitments and Contingencies (Details Textual)
$ in Millions
1 Months Ended 12 Months Ended
May 31, 2017
Party
Dec. 31, 2020
USD ($)
Long-term Purchase Commitment [Line Items]    
Number of potentially-responsible parties | Party 4  
Environmental and other liabilities   $ 17.5
Maximum [Member] | AIMCO Operating Partnership [Member]    
Long-term Purchase Commitment [Line Items]    
Environmental and other liabilities   17.5
Commitments related to development, redevelopment and capital improvement activities [Member]    
Long-term Purchase Commitment [Line Items]    
Commitments related to active redevelopments and developments   $ 18.0
Time Period of Long-term Purchase Commitment   24 months
Commitments related to operations [Member] | Maximum [Member]    
Long-term Purchase Commitment [Line Items]    
Time Period of Long-term Purchase Commitment   1 year