XML 65 R54.htm IDEA: XBRL DOCUMENT
v3.24.3

Indebtedness (Details) |  |  |  |  |  | 9 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 27, 2024 USD ($) | Jun. 10, 2024 USD ($) | May 19, 2023 USD ($) | Dec. 06, 2022 USD ($) | Aug. 23, 2022 USD ($) extension_option | Sep. 30, 2024 USD ($) | Jun. 21, 2024 USD ($) | Jun. 14, 2024 USD ($) | Dec. 31, 2023 USD ($) | Aug. 29, 2023 USD ($) | Jun. 29, 2023 USD ($)
Line of Credit | Amended And Restated Credit Agreement |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Aggregate capacity under the credit facility |  |  |  |  | $ 550,000,000.0 |  |  |  |  |  |
Accordion feature maximum borrowing capacity |  |  |  |  | 1,000,000,000.0 |  |  |  |  |  |
Line of Credit | M&T Term Loan Agreement |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Aggregate capacity under the credit facility |  |  |  | $ 100,000,000 |  |  |  |  |  |  |
Accordion feature maximum borrowing capacity |  |  |  | $ 200,000,000 |  |  |  |  |  |  |
Line of Credit | TD Term Loan Facility |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Aggregate capacity under the credit facility |  |  | $ 75,000,000 |  |  |  |  |  |  |  |
Accordion feature maximum borrowing capacity |  |  | $ 150,000,000 |  |  |  |  |  |  |  |
Line of Credit | Revolving credit facility | Amended And Restated Credit Agreement |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Aggregate capacity under the credit facility |  |  |  |  | $ 250,000,000.0 |  |  |  |  | $ 355,000,000.0 |
Number of extension options | extension_option |  |  |  |  | 2 |  |  |  |  |  |
Duration of extension option |  |  |  |  | 6 months |  |  |  |  |  |
Extension fee percentage |  |  |  |  | 0.075% |  |  |  |  |  |
Increased the capacity of the revolving credit facility |  |  |  |  |  |  |  | $ 50,000,000 |  | 105,000,000 |
Credit spread adjustment |  |  |  |  | 0.10% |  |  |  |  |  |
Line of credit, amount outstanding |  |  |  |  |  | $ 164,000,000.0 |  |  | $ 267,000,000.0 |  |
Interest rate on credit facility as of end of period |  |  |  |  |  | 6.42% |  |  |  |  |
Interest rate on credit facility as of end of period after giving effect to interest rate swaps |  |  |  |  |  | 4.73% |  |  |  |  |
Line of Credit | Revolving credit facility | M&T Term Loan Agreement |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Duration of extension option |  |  |  | 1 year |  |  |  |  |  |  |
Extension fee percentage |  |  |  | 0.075% |  |  |  |  |  |  |
Increased the capacity of the revolving credit facility |  |  |  |  |  |  | $ 35,000,000 |  |  |  |
Credit spread adjustment |  |  |  | 0.10% |  |  |  |  |  |  |
Line of credit, amount outstanding |  |  |  |  |  | $ 135,000,000 | $ 135,000,000 |  | 100,000,000 |  |
Interest rate on credit facility as of end of period |  |  |  |  |  | 4.95% |  |  |  |  |
Interest rate on credit facility as of end of period after giving effect to interest rate swaps |  |  |  |  |  | 6.37% |  |  |  |  |
Line of Credit | Revolving credit facility | TD Term Loan Facility |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Aggregate capacity under the credit facility |  |  |  |  |  |  |  |  |  |  | $ 95,000,000
Duration of extension option |  |  | 1 year |  |  |  |  |  |  |  |
Extension fee percentage |  |  | 0.15% |  |  |  |  |  |  |  |
Credit spread adjustment |  |  | 0.10% |  |  |  |  |  |  |  |
Line of credit, amount outstanding |  |  |  |  |  | $ 95,000,000 |  |  | 95,000,000 |  |
Interest rate on credit facility as of end of period |  |  |  |  |  | 6.47% |  |  |  |  |
Interest rate on credit facility as of end of period after giving effect to interest rate swaps |  |  |  |  |  | 4.85% |  |  |  |  |
Line of Credit | Revolving credit facility | Chronicle Mill |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Duration of extension option |  |  |  |  |  | 1 year |  |  |  |  |
Line of Credit | Revolving credit facility | Secured Overnight Financing Rate (SOFR) | M&T Term Loan Agreement |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Stated interest rate, basis spread on variable rate |  |  |  | 1.00% |  |  |  |  |  |  |
Line of Credit | Revolving credit facility | Secured Overnight Financing Rate (SOFR) | TD Term Loan Facility |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Stated interest rate, basis spread on variable rate |  |  | 1.00% |  |  |  |  |  |  |  |
Line of Credit | Revolving credit facility | Federal Funds Rate | M&T Term Loan Agreement |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Stated interest rate, basis spread on variable rate |  |  |  | 0.50% |  |  |  |  |  |  |
Line of Credit | Revolving credit facility | Federal Funds Rate | TD Term Loan Facility |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Stated interest rate, basis spread on variable rate |  |  | 0.50% |  |  |  |  |  |  |  |
Line of Credit | Revolving credit facility | Base Rate | TD Term Loan Facility |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Stated interest rate, basis spread on variable rate |  |  | 1.00% |  |  |  |  |  |  |  |
Line of Credit | Revolving credit facility | Minimum | Amended And Restated Credit Agreement |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Basis points on unused commitment fee |  |  |  |  | 0.15% |  |  |  |  |  |
Line of Credit | Revolving credit facility | Minimum | Secured Overnight Financing Rate (SOFR) | Amended And Restated Credit Agreement |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Stated interest rate, basis spread on variable rate |  |  |  |  | 1.30% |  |  |  |  |  |
Line of Credit | Revolving credit facility | Maximum | Amended And Restated Credit Agreement |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Basis points on unused commitment fee |  |  |  |  | 0.25% |  |  |  |  |  |
Line of Credit | Revolving credit facility | Maximum | Secured Overnight Financing Rate (SOFR) | Amended And Restated Credit Agreement |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Stated interest rate, basis spread on variable rate |  |  |  |  | 1.85% |  |  |  |  |  |
Line of Credit | Term Loan Facility | Amended And Restated Credit Agreement |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Aggregate capacity under the credit facility |  |  |  |  | $ 300,000,000.0 |  |  | $ 350,000,000 |  | $ 655,000,000.0 |
Credit spread adjustment |  |  |  |  | 0.10% |  |  |  |  |  |
Line of credit, amount outstanding |  |  |  |  |  | $ 350,000,000.0 |  |  | $ 300,000,000 |  |
Interest rate on credit facility as of end of period |  |  |  |  |  | 6.37% |  |  |  |  |
Interest rate on credit facility as of end of period after giving effect to interest rate swaps |  |  |  |  |  | 4.75% |  |  |  |  |
Line of Credit | Term Loan Facility | Minimum | Secured Overnight Financing Rate (SOFR) | Amended And Restated Credit Agreement |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Stated interest rate, basis spread on variable rate |  |  |  |  | 1.25% |  |  |  |  |  |
Line of Credit | Term Loan Facility | Maximum | Secured Overnight Financing Rate (SOFR) | Amended And Restated Credit Agreement |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Stated interest rate, basis spread on variable rate |  |  |  |  | 1.80% |  |  |  |  |  |
Construction loans |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Borrowings under construction loans |  |  |  |  |  | $ 25,700,000 |  |  |  |  |
Secured debt | Red Mill Commons |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt |  | $ 1,760,000 |  |  |  |  |  |  |  |  |
Secured debt | Chronicle Mill Mixed Use Multifamily |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt | $ 35,000,000 |  |  |  |  |  |  |  |  |  |
Secured debt | Premier Mixed Use Multifamily |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt | 23,700,000 |  |  |  |  |  |  |  |  |  |
Secured debt | Market at Mill Creek Retail Property |  |  |  |  |  |  |  |  |  |  |
Indebtedness |  |  |  |  |  |  |  |  |  |  |
Extinguishment of debt | $ 10,900,000 |  |  |  |  |  |  |  |  |  |

X
- Definition Debt Instrument, Credit Spread Adjustment + References No definition available. + Details
Name: | ahh_DebtInstrumentCreditSpreadAdjustment
Namespace Prefix: | ahh_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line Of Credit Facility, Accordion Feature, Increase Limit + References No definition available. + Details
Name: | ahh_LineOfCreditFacilityAccordionFeatureIncreaseLimit
Namespace Prefix: | ahh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line Of Credit Facility, Accordion Feature, Maximum Borrowing Capacity + References No definition available. + Details
Name: | ahh_LineOfCreditFacilityAccordionFeatureMaximumBorrowingCapacity
Namespace Prefix: | ahh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line Of Credit Facility, Duration Of Extension Option + References No definition available. + Details
Name: | ahh_LineOfCreditFacilityDurationOfExtensionOption
Namespace Prefix: | ahh_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line Of Credit Facility, Extension Fee Percentage + References No definition available. + Details
Name: | ahh_LineOfCreditFacilityExtensionFeePercentage
Namespace Prefix: | ahh_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line of Credit Facility, Interest Rate at Period End, After Effects Of Interest Rate Swaps + References No definition available. + Details
Name: | ahh_LineOfCreditFacilityInterestRateAtPeriodEndAfterEffectsOfInterestRateCapsAndSwaps
Namespace Prefix: | ahh_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line Of Credit Facility, Number Of Extension Options + References No definition available. + Details
Name: | ahh_LineOfCreditFacilityNumberOfExtensionOptions
Namespace Prefix: | ahh_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 8 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482949/835-30-55-8 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(f)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-3 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B Reference 5: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69B -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69B Reference 6: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69C -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69C Reference 7: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69E -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69E Reference 8: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 69F -Publisher FASB -URI https://asc.fasb.org/1943274/2147481568/470-20-55-69F Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B Reference 11: http://www.xbrl.org/2003/role/exampleRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1B -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1B Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D Reference 17: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1D -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1D Reference 18: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1E -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1E Reference 19: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1E -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1E Reference 20: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1E -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1E Reference 21: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F Reference 22: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F Reference 23: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F Reference 24: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1F -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1F Reference 25: http://www.xbrl.org/2003/role/disclosureRef -Topic 470 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1I -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481139/470-20-50-1I Reference 26: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482925/835-30-45-2 Reference 27: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 835 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482900/835-30-50-1 + Details
Name: | us-gaap_DebtInstrumentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gross amount of debt extinguished. + References No definition available. + Details
Name: | us-gaap_ExtinguishmentOfDebtAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -SubTopic 10 -Topic 210 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
Name: | us-gaap_LineOfCredit
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
Name: | us-gaap_LineOfCreditFacilityUnusedCapacityCommitmentFeePercentage
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from borrowings to finance the cost of construction. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-14 + Details
Name: | us-gaap_ProceedsFromConstructionLoansPayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_LineOfCreditMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ahh_AmendedAndRestatedCreditAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ahh_MTTermLoanAgreementMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ahh_TDTermLoanFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=ahh_ChronicleMillMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_SecuredOvernightFinancingRateSofrMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=ahh_FederalFundsRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_BaseRateMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RangeAxis=srt_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_UnsecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_ConstructionLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_SecuredDebtMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=ahh_RedMillCommonsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=ahh_ChronicleMillMixedUseMultifamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=ahh_PremierMixedUseMultifamilyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_RealEstateAndAccumulatedDepreciationDescriptionOfPropertyAxis=ahh_MarketAtMillCreekRetailPropertyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |