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Stock-Based Compensation Plans (Details) (USD $) | 3 Months Ended
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Mar. 31, 2015
Shares |
Exercised (in shares) | (17,002)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
2009 Plan | Stock Options |
Shares |
Options outstanding at the beginning of the period (in shares) | 340,062 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Exercised (in shares) | (12,527)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Forfeited (in shares) | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Options outstanding at the end of the period (in shares) | 327,535 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Options exercisable at the end of the period (in shares) | 266,121 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Weighted average exercise price per share |
Options outstanding at the beginning of the period (in dollars per share) | 122.67 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Exercised (in dollars per share) | 123.43 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Forfeited (in dollars per share) | 0.00 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Options outstanding at the end of the period (in dollars per share) | 122.64 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
Options exercisable at the end of the period (in dollars per share) | 121.18 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan2009Member
1994 Plan | Stock Options |
Shares |
Options outstanding at the beginning of the period (in shares) | 272,402 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Exercised (in shares) | (4,475)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Forfeited (in shares) | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Options outstanding at the end of the period (in shares) | 267,927 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Options exercisable at the end of the period (in shares) | 267,927 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Weighted average exercise price per share |
Options outstanding at the beginning of the period (in dollars per share) | 104.96 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Exercised (in dollars per share) | 141.79 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Forfeited (in dollars per share) | 0.00 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Options outstanding at the end of the period (in dollars per share) | 104.35 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member
Options exercisable at the end of the period (in dollars per share) | 104.35 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = avb_EmployeeAndDirectorsStockOptionsMember / us-gaap_PlanNameAxis = avb_StockOptionAndIncentivePlan1994Member

X
- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. + References No definition available. + Details
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. + References No definition available. + Details
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- Definition Number of share options (or share units) exercised during the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6928386&loc=d3e21463-112644 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.28,29) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30 -Article 5 + Details
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