Represents the percentage of equity offerings.

No definition available.

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- Definition

Represents the minimum interest coverage ratio as defined by the credit facility agreement.

+ References

No definition available.

+ Details

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- Definition

Line Of Credit Facility, Conditional Maximum Borrowing Capacity

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Definition

The decrease in the maximum borrowing capacity under the credit facility under terms of amendment.

+ References

No definition available.

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- Definition

The increase in the maximum borrowing capacity under the credit facility due to additional lenders participating in the facility.

+ References

No definition available.

+ Details

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Namespace Prefix:	avhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Maximum borrowing percentage for letters of credits under the credit facility.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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- Definition

The percentage decrease in the maximum borrowing capacity under the credit facility under terms of amendment.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
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- Definition

Represents the cumulative consolidated percentage of net income.

+ References

No definition available.

+ Details

Name:	avhi_NetIncomePercentage
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- Definition

The percentage of the book value of an asset that is included in the borrowing base.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
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- Definition

Represents the percentage of unrestricted cash included in the borrowing base.

+ References

No definition available.

+ Details

Name:	avhi_PercentOfUnrestrictedCashIncludedInBorrowingBase
Namespace Prefix:	avhi_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- 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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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ 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))
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Reference 2: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-Name Accounting Standards Codification
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-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- 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

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Indebtedness divided by net capital.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Definition

The minimum amount of tangible capital required under the regulatory framework for prompt corrective action.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 505
-Section 50
-Paragraph 1H
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=35709795&loc=d3e65071-112826

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-Name Accounting Standards Codification
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-SubTopic 505
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=35709795&loc=SL5958568-112826

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

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Debt - Senior Secured and Senior Unsecured Credit Facility (Details) - USD ($) $ in Thousands				12 Months Ended
	Jun. 06, 2017	May 18, 2017	Jul. 28, 2016	Dec. 31, 2014	Jun. 30, 2017	Dec. 31, 2016	Oct. 26, 2016	Apr. 07, 2014
Debt
Borrowings outstanding					$ 634,520	$ 280,000
Letter of Credit Facility \| Amendment
Debt
Decrease in maximum borrowing capacity (as a percent)			50.00%
Senior Secured Credit Facility
Debt
Maximum borrowing capacity								$ 105,000
Conditional maximum borrowing capacity								175,000
Senior Secured Credit Facility \| JPMorgan Chase Bank, N.A.
Debt
Maximum borrowing capacity								65,000
Senior Secured Credit Facility \| Citibank and Deutsche Bank
Debt
Increase in maximum borrowing capacity				$ 40,000
Senior Secured Credit Facility \| Swing-line facility
Debt
Maximum borrowing capacity								$ 30,000
Senior Secured Credit Facility \| Amendment
Debt
Maximum borrowing capacity			$ 200,000				$ 190,000
Conditional maximum borrowing capacity							$ 25,000
Decrease in maximum borrowing capacity	$ 15,000		$ 30,000
Senior Unsecured Credit Facility
Debt
Maximum borrowing capacity		$ 155,000			155,000
Conditional maximum borrowing capacity		$ 250,000
Letter of credit borrowing percentage		50.00%
Borrowings outstanding					$ 0
Unrestricted cash in the borrowing base (percent)		100.00%
Commitment fee (percent)		0.50%
Leverage ratio		60
Interest coverage ratio		1.50
Tangible net worth		$ 325,100
Net income percentage		50.00%
Net proceeds of equity offerings (percent)		50.00%
Senior Unsecured Credit Facility \| LIBOR
Debt
Variable rate (percent)		3.25%
Senior Unsecured Credit Facility \| Prime Rate
Debt
Variable rate (percent)		2.25%
Senior Unsecured Credit Facility \| Finished lots and lots under development
Debt
Book value included in the borrowing base (percent)		85.00%
Senior Unsecured Credit Facility \| Property under contract or construction
Debt
Book value included in the borrowing base (percent)		65.00%
Senior Unsecured Credit Facility \| Entitled lands
Debt
Book value included in the borrowing base (percent)		50.00%