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Business Acquisitions and Dispositions - Results Associated with Disposed Dealerships That Remain in Continued Operations (Detail) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 6 Months Ended
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Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2014 | Jun. 30, 2013
Business Combinations [Abstract] |  |  |  |
Income (loss) from operations | $ (61) | $ (467) | $ (507) | $ (1,175)
Gain (loss) on disposal | 7,260 |  | 7,624 |
Pre-tax income (loss) | 7,199 | (467) | 7,117 | (1,175)
Total revenues | $ 21,870 | $ 23,628 | $ 42,485 | $ 49,612

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- Details
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- Definition The gain (loss) resulting from the sale of a disposal group that is not a discontinued operation. It is included in income from continuing operations before income taxes in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2443-110228 + Details
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