XML 50 R67.htm IDEA: XBRL DOCUMENT v2.4.1.9
Non-Recourse Property Debt and Credit Agreement - (Details 2) (USD $)
12 Months Ended 1 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Jan. 31, 2015
Non-Recourse Property Debt (Textual) [Abstract]        
Estimated Fair Value Of Unencumbered Real Estate $ 1,000,000,000aiv_EstimatedFairValueOfUnencumberedRealEstate      
Credit Agreement        
Revolving loan commitments 600,000,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity      
Initial interest rate for credit facility LIBOR, plus 1.875%, or, at our option, Prime plus 0.5%      
Credit facility maturity date Sep. 01, 2017      
Credit Facility Extension option an additional one-year period      
Revolving credit facility borrowings 112,330,000us-gaap_LineOfCredit 50,400,000us-gaap_LineOfCredit    
Remaining borrowing capacity under credit facility 445,900,000us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity      
Amount outstanding for undrawn letters of credit issued under revolving credit facility 41,800,000us-gaap_LettersOfCreditOutstandingAmount      
Line of Credit Facility, Interest Rate at Period End 2.08%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd 3.75%us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd    
Proceeds from Issuance of Common Stock 0us-gaap_ProceedsFromIssuanceOfCommonStock 0us-gaap_ProceedsFromIssuanceOfCommonStock 594,379,000us-gaap_ProceedsFromIssuanceOfCommonStock  
Fixed Rate        
Non-Recourse Property Debt (Textual) [Abstract]        
Debt Instrument, Maximum Maturity Date Feb. 28, 2061      
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum 2.28%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
/ us-gaap_DebtInstrumentAxis
= aiv_FixedRateMember
     
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum 8.50%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
/ us-gaap_DebtInstrumentAxis
= aiv_FixedRateMember
     
Debt, Weighted Average Interest Rate 4.99%us-gaap_DebtWeightedAverageInterestRate
/ us-gaap_DebtInstrumentAxis
= aiv_FixedRateMember
     
Debt Instrument, Collateral Amount 7,089,800,000us-gaap_DebtInstrumentCollateralAmount
/ us-gaap_DebtInstrumentAxis
= aiv_FixedRateMember
     
Variable Rate        
Non-Recourse Property Debt (Textual) [Abstract]        
Debt Instrument, Maximum Maturity Date Jul. 31, 2033      
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum 0.05%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMinimum
/ us-gaap_DebtInstrumentAxis
= aiv_VariableRateMember
     
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum 1.88%us-gaap_DebtInstrumentInterestRateStatedPercentageRateRangeMaximum
/ us-gaap_DebtInstrumentAxis
= aiv_VariableRateMember
     
Debt, Weighted Average Interest Rate 1.14%us-gaap_DebtWeightedAverageInterestRate
/ us-gaap_DebtInstrumentAxis
= aiv_VariableRateMember
     
Debt Instrument, Collateral Amount 198,500,000us-gaap_DebtInstrumentCollateralAmount
/ us-gaap_DebtInstrumentAxis
= aiv_VariableRateMember
     
Unencumbered Real Estate Property [Member]        
Non-Recourse Property Debt (Textual) [Abstract]        
Number of apartment communities 15us-gaap_NumberOfRealEstateProperties
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= aiv_UnencumberedRealEstatePropertyMember
     
Pledged as collateral [Member] | Fixed Rate        
Non-Recourse Property Debt (Textual) [Abstract]        
Number of apartment communities 164us-gaap_NumberOfRealEstateProperties
/ us-gaap_DebtInstrumentAxis
= aiv_FixedRateMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= aiv_PledgedascollateralMember
     
Pledged as collateral [Member] | Variable Rate        
Non-Recourse Property Debt (Textual) [Abstract]        
Number of apartment communities 7us-gaap_NumberOfRealEstateProperties
/ us-gaap_DebtInstrumentAxis
= aiv_VariableRateMember
/ us-gaap_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis
= aiv_PledgedascollateralMember
     
Class A Common Stock Offering [Member]        
Credit Agreement        
Proceeds from Issuance of Common Stock       $ 367,000,000us-gaap_ProceedsFromIssuanceOfCommonStock
/ us-gaap_SubsequentEventTypeAxis
= aiv_ClassACommonStockOfferingMember