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v2.4.1.9

Notes Payable, Unsecured Notes and Credit Facility (Details 2) (USD $) | 1 Months Ended | 12 Months Ended | 1 Months Ended |
--- | --- | --- | --- | ---
Jun. 30, 2014 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Apr. 30, 2014 | Nov. 30, 2014 | Mar. 31, 2014
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |  |  |
Repayment of unsecured notes |  | $ 150,000,000 us-gaap_RepaymentsOfUnsecuredDebt | $ 100,000,000 us-gaap_RepaymentsOfUnsecuredDebt | $ 381,001,000 us-gaap_RepaymentsOfUnsecuredDebt |  |  |
Repayments of secured mortgages |  | 16,341,000 us-gaap_RepaymentsOfSecuredDebt | 0 us-gaap_RepaymentsOfSecuredDebt | 0 us-gaap_RepaymentsOfSecuredDebt |  |  |
Gains (losses) on extinguishment of debt | (412,000)us-gaap_GainsLossesOnExtinguishmentOfDebt | (412,000)us-gaap_GainsLossesOnExtinguishmentOfDebt | (14,921,000)us-gaap_GainsLossesOnExtinguishmentOfDebt | (1,179,000)us-gaap_GainsLossesOnExtinguishmentOfDebt |  |  |
Term loan |  |  |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |  |  |
Principal amount of notes issued |  |  |  |  |  |  | 300,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = avb_VariableRateUnsecuredTermLoanMember
Amount drawn |  | 250,000,000 us-gaap_LongtermDebtPercentageBearingVariableInterestAmount / us-gaap_DebtInstrumentAxis = avb_VariableRateUnsecuredTermLoanMember |  |  |  |  |
Unused borrowing capacity |  | 50,000,000 us-gaap_DebtInstrumentUnusedBorrowingCapacityAmount / us-gaap_DebtInstrumentAxis = avb_VariableRateUnsecuredTermLoanMember |  |  |  |  |
Secured mortgage loan maturing in 2019 |  |  |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |  |  |
Principal amount of notes issued |  |  |  |  | 53,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_DebtInstrumentAxis = avb_SecuredMortgageLoanMaturingin2019Member |  |
Amount drawn |  |  |  |  | 38,000,000 us-gaap_LongtermDebtPercentageBearingVariableInterestAmount / us-gaap_DebtInstrumentAxis = avb_SecuredMortgageLoanMaturingin2019Member |  |
Fixed rate notes |  |  |  |  | 15,000,000 us-gaap_LongtermDebtPercentageBearingFixedInterestAmount / us-gaap_DebtInstrumentAxis = avb_SecuredMortgageLoanMaturingin2019Member |  |
Fixed rate (as a percent) |  |  |  |  | 2.99%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = avb_SecuredMortgageLoanMaturingin2019Member |  |
Secured mortgage loan maturing in 2019 | LIBOR |  |  |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate (as a percent) |  | 2.00%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DebtInstrumentAxis = avb_SecuredMortgageLoanMaturingin2019Member / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |  |  |
Variable rate unsecured credit facility |  |  |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate (as a percent) |  | 1.05%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DebtInstrumentAxis = us-gaap_LineOfCreditMember |  |  |  |  |
Unsecured notes |  |  |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |  |  |
Fixed rate notes |  | 2,750,000,000 us-gaap_LongtermDebtPercentageBearingFixedInterestAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember | 2,600,000,000 us-gaap_LongtermDebtPercentageBearingFixedInterestAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember |  |  |  |
Fixed rate (as a percent) |  |  |  |  | 5.375%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember |  |
Repayment of unsecured notes |  |  |  |  | 150,000,000 us-gaap_RepaymentsOfUnsecuredDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember |  |
Unsecured notes | Term loan | LIBOR |  |  |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |  |  |
Debt instrument, basis spread on variable rate (as a percent) |  | 1.45%us-gaap_DebtInstrumentBasisSpreadOnVariableRate1 / us-gaap_DebtInstrumentAxis = avb_VariableRateUnsecuredTermLoanMember / us-gaap_LongtermDebtTypeAxis = us-gaap_UnsecuredDebtMember / us-gaap_VariableRateAxis = us-gaap_LondonInterbankOfferedRateLIBORMember |  |  |  |  |
Mortgage notes payable |  |  |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |  |  |
Amount drawn |  | 1,047,461,000 us-gaap_LongtermDebtPercentageBearingVariableInterestAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember | 1,011,609,000 us-gaap_LongtermDebtPercentageBearingVariableInterestAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |  |  |  |
Fixed rate notes |  | 2,400,677,000 us-gaap_LongtermDebtPercentageBearingFixedInterestAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember | 2,407,962,000 us-gaap_LongtermDebtPercentageBearingFixedInterestAmount / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |  |  |  |
Repayments of secured mortgages | 5,914,000 us-gaap_RepaymentsOfSecuredDebt / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |  |  |  |  |  |
Mortgage notes payable | Notes payable maturing in 2015 |  |  |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |  |  |
Fixed rate (as a percent) | 6.19%us-gaap_LongTermDebtPercentageBearingFixedInterestRate / us-gaap_DebtInstrumentAxis = avb_NotesPayableMaturities2015Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |  |  |  |  |  |
Repayments of secured mortgages | 10,427,000 us-gaap_RepaymentsOfSecuredDebt / us-gaap_DebtInstrumentAxis = avb_NotesPayableMaturities2015Member / us-gaap_LongtermDebtTypeAxis = us-gaap_SecuredDebtMember |  |  |  |  |  |
Unsecured notes 3.50 percent |  |  |  |  |  |  |
Notes Payable, Unsecured Notes and Credit Facility |  |  |  |  |  |  |
Principal amount of notes issued |  |  |  |  |  | 300,000,000 us-gaap_DebtInstrumentFaceAmount / us-gaap_LongtermDebtTypeAxis = avb_UnsecuredNotes3.50PercentMember |
Net proceeds from issuance of debt |  |  |  |  |  | $ 295,803,000 us-gaap_ProceedsFromIssuanceOfDebt / us-gaap_LongtermDebtTypeAxis = avb_UnsecuredNotes3.50PercentMember |
Stated interest rate (as a percent) |  |  |  |  |  | 3.50%us-gaap_DebtInstrumentInterestRateStatedPercentage / us-gaap_LongtermDebtTypeAxis = avb_UnsecuredNotes3.50PercentMember |

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Subparagraph b -Article 5 + Details
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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12317-112629 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6850294&loc=d3e12355-112629 + Details
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- Definition The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. + References No definition available. + Details
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- Definition The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time. + References No definition available. + Details
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- Definition The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt. + References No definition available. + Details
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- Definition The cash outflow to repay long-term debt that is wholly or partially secured by collateral. Excludes repayments of tax exempt secured debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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- Definition The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 + Details
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