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Intangible Franchise Rights and Goodwill (Details Textual) | 12 Months Ended
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Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($)
Countries and States [Line Items] |  |
Impairment of Intangible Assets, Finite-lived | $ 19,332,000 | $ 29,823,000
Intangible Franchise Rights and Goodwill (Textual) [Abstract] |  |
Accumulated Impairments |  | $ 97,800,000
Number of Franchises Disposed | 3 | 10
UNITED KINGDOM |  |
Countries and States [Line Items] |  |
Impairment of Intangible Assets, Finite-lived | $ 0 | $ 0
Intangible Franchise Rights and Goodwill (Textual) [Abstract] |  |
Number Of Dealerships Acquired | 12 | 12
Number of Franchises Disposed | 1 | 1
Brazil |  |
Countries and States [Line Items] |  |
Impairment of Intangible Assets, Finite-lived | $ 6,744,000 | $ 9,901,000
Intangible Franchise Rights and Goodwill (Textual) [Abstract] |  |
Number Of Dealerships Acquired |  | 1
Number of Franchises Disposed | 2 | 4
U.S. |  |
Countries and States [Line Items] |  |
Impairment of Intangible Assets, Finite-lived | $ 12,588,000 | $ 19,922,000
Intangible Franchise Rights and Goodwill (Textual) [Abstract] |  |
Number Of Dealerships Acquired | 3 |
Number of Franchises Disposed |  | 5

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- Definition Intangible franchise rights and goodwill. + References No definition available. + Details
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- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a,h) -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 + Details
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- Definition The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16373-109275 + Details
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