Line Of Credit Facility, Conditional Maximum Borrowing Capacity

No definition available.

Name:	avhi_LineOfCreditFacilityConditionalMaximumBorrowingCapacity
Namespace Prefix:	avhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

Name:	avhi_LineOfCreditFacilityDecreaseInMaximumBorrowingCapacity
Namespace Prefix:	avhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- 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

Name:	avhi_LineOfCreditFacilityIncreaseInMaximumBorrowingCapacity
Namespace Prefix:	avhi_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(16))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

+ Details

Name:	us-gaap_DebtInstrumentCarryingAmount
Namespace Prefix:	us-gaap_
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

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

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

- Details

Name:	us-gaap_DebtInstrumentAxis=avhi_RevolvingCreditAndLetterOfCreditFacilitiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=avhi_SeniorSecuredCreditFacilitySwingLineLoanMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=avhi_SeniorCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=avhi_JPMorganChaseBankN.A.Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LineOfCreditFacilityAxis=avhi_CitibankAndDeutscheBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=avhi_SeniorSecuredCreditFacilityOmnibusAmendmentAndGuaranteeAndCollateralAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Debt - Senior Secured Credit Facility (Details) - USD ($)		6 Months Ended	12 Months Ended
	Jun. 06, 2017	Dec. 31, 2014	Dec. 31, 2016	Oct. 26, 2016	Dec. 31, 2015	Apr. 07, 2014
Debt
Borrowings outstanding			$ 280,000,000		$ 326,793,000
Revolving Credit and Letter of Credit Facilities
Debt
Maximum borrowing capacity		$ 105,000,000
Conditional maximum borrowing capacity		175,000,000
Swing-line facility
Debt
Maximum borrowing capacity		30,000,000
Decrease in maximum borrowing capacity			30,000,000
Senior Secured Credit Facility
Debt
Borrowings outstanding			0		$ 0
Decrease in maximum borrowing capacity	$ 15,000,000
Senior Secured Credit Facility \| JPMorgan Chase Bank, N.A.
Debt
Maximum borrowing capacity						$ 65,000,000
Senior Secured Credit Facility \| Citibank and Deutsche Bank
Debt
Increase in maximum borrowing capacity		$ 40,000,000
Senior Secured Credit Facility \| Revolving Credit and Letter of Credit Facilities
Debt
Maximum borrowing capacity			180,000,000
Borrowings outstanding			0
Senior Secured Credit Facility \| Amendment
Debt
Maximum borrowing capacity			$ 200,000,000	$ 190,000,000
Conditional maximum borrowing capacity				$ 25,000,000