v2.4.0.6

Advances And Other Assets Are Expected To Be Earned Repaid (Detail) (USD $) | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Schedule Of Other Assets [Line Items] |  |
2013 | $ 3,666,000 |
2014 | 1,279,000 |
2015 | 1,264,000 |
2016 | 922,000 |
2017 and beyond | 2,305,000 |
Other Assets | $ 9,436,000 | $ 6,140,000

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- Definition This concept refers to the advances and other assets are expected to be earned or repaid in year five as of the balance sheet date. + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This concept refers to the advances and other assets are expected to be earned or repaid in year four as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | auto_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This concept refers to the advances and other assets are expected to be earned or repaid in year one as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | auto_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition This concept refers to the advances and other assets are expected to be earned or repaid in year three as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | auto_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- Definition This concept refers to the advances and other assets are expected to be earned or repaid in year two as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | auto_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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- Details
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- Definition The aggregate carrying amounts, as of the balance sheet date, of assets not separately disclosed in the balance sheet. + 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 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 10 -Article 7 + Details
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Period Type: | instant