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Aimco Equity - (Details 1) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Issuances of Preferred Stock [Abstract]      
Net proceeds to Aimco $ 0 $ 123,551 $ 0
Class A Cumulative Preferred Stock [Member]      
Issuances of Preferred Stock [Abstract]      
Number of shares of stock issued   5,000,000  
Price to public per share   $ 25.00  
Underwriting discounts, commissions and transaction costs per share   0.85  
Net proceeds per share   $ 24.15  
Net proceeds to Aimco   $ 120,757  
Issuance costs (primarily underwriting commissions) recognized as an adjustment of additional paid-in capital   $ 4,350  
Class Z Cumulative Preferred Stock [Member]      
Issuances of Preferred Stock [Abstract]      
Number of shares of stock issued   117,400  
Price to public per share   $ 25.65  
Underwriting discounts, commissions and transaction costs per share   0.51  
Net proceeds per share   $ 25.14  
Net proceeds to Aimco   $ 2,901  
Issuance costs (primarily underwriting commissions) recognized as an adjustment of additional paid-in capital   $ 110