v3.8.0.1

Debt - Senior Secured and Senior Unsecured Credit Facility (Details) - USD ($) $ in Thousands | May 18, 2017 | Mar. 31, 2018 | Dec. 31, 2017
--- | --- | --- | ---
Debt |  |  |
Borrowings outstanding |  | $ 480,000 | $ 480,000
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 | $ 0
Commitment fee (percent) | 0.50% |  |
Senior Unsecured Credit Facility | LIBOR |  |  |
Debt |  |  |
Variable rate (percent) | 3.25% |  |
Senior Unsecured Credit Facility | Prime Rate |  |  |
Debt |  |  |
Variable rate (percent) | 2.25% |  |

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- Definition Line Of Credit Facility, Conditional Maximum Borrowing Capacity + References No definition available. + Details
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Namespace Prefix: | avhi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Maximum borrowing percentage for letters of credits under the credit facility. + References No definition available. + Details
Name: | avhi_LineOfCreditFacilityLetterOfCreditMaximumBorrowingPercentage
Namespace Prefix: | avhi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

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- 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_
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Balance Type: | na
Period Type: | duration

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

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

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- 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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Balance Type: | na
Period Type: | duration

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- 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://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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Namespace Prefix: |
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- Details
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- Details
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Balance Type: |
Period Type: |