XML 53 R20.htm IDEA: XBRL DOCUMENT v2.4.1.9
Organization and Summary of Significant Accounting Policies (Details 3) (USD $)
Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Fair value mortgage notes - Level 2 $ 25,657,000aiv_FairValueMortgageNotesLevel2