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Interim Financial Information (Details Textual) (USD $) In Thousands, unless otherwise specified | 9 Months Ended |
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Dec. 31, 2013
Business and Organization [Line Items] |  |  |
Immaterial Error of Effect of Exchange Rate on Cash and Cash Equivalents | $ (563) | $ (2,297) |
Net Cash Provided by (Used in) Operating Activities | 271,836 | 128,966 |
Number of domestic regions | 2 |  |
Number of international regions | 2 |  |
Assets, Current | 1,929,255 |  | 1,967,938
Total assets | 3,962,509 |  | 3,819,478
Liabilities, Current | 1,802,639 |  | 1,865,176
East [Member] |  |  |
Business and Organization [Line Items] |  |  |
Number of dealerships | 41 |  |
West [Member] |  |  |
Business and Organization [Line Items] |  |  |
Number of dealerships | 75 |  |
UNITED STATES |  |  |
Business and Organization [Line Items] |  |  |
Number of States in which Entity Operates | 14 |  |
UNITED KINGDOM |  |  |
Business and Organization [Line Items] |  |  |
Number of Towns in which Entity Operates | 13 |  |
Number of dealerships | 14 |  |
BRAZIL |  |  |
Business and Organization [Line Items] |  |  |
Number of States in which Entity Operates | 3 |  |
Number of dealerships | 20 |  |
Variable Interest Entity, Primary Beneficiary [Member] |  |  |
Business and Organization [Line Items] |  |  |
Assets, Current | 24,536 |  | 24,170
Long-Lived Assets | 36,843 |  | 71,033
Total assets | 61,379 |  | 95,203
Liabilities, Current | 21,857 |  | 21,653
Liabilities, Noncurrent | 22,179 |  | 25,374
Liabilities | $ 44,036 |  | $ 47,027

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + 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 210.5-02.18) -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 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 18 -Article 5 + Details
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