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Note 13 - Subsequent Events (Details) (USD $) | 9 Months Ended | 0 Months Ended |
--- | --- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Oct. 25, 2013 Subsequent Event [Member] Sale of Unimproved Land [Member] acre | Oct. 07, 2013 Subsequent Event [Member] Stockton Nissan Kia, Stockton California [Member] | Oct. 25, 2013 Subsequent Event [Member] Fresno Lincoln Volvo, Fresno California [Member] | Nov. 22, 2013 Subsequent Event [Member] | Oct. 21, 2013 Subsequent Event [Member] | Oct. 25, 2013 Subsequent Event [Member]
Note 13 - Subsequent Events (Details) [Line Items] |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired | $ 31,786,000 | $ 31,376,000 |  | $ 18,900,000 | $ 8,500,000 |  |  |
Common Stock, Dividends, Per Share, Declared (in Dollars per share) |  |  |  |  |  |  | $ 0.13 |
Dividends, Common Stock, Cash |  |  |  |  |  | 3,400,000 |  |
Area of Real Estate Property (in Acres) |  |  | 11.9 |  |  |  |  |
Proceeds from Sale of Other Property, Plant, and Equipment |  |  | 4,100,000 |  |  |  |  |
Related Party Transaction Sale Ownership Percentage |  |  |  |  |  |  |  | 80.00%
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  |  | 20.00%
Gain (Loss) on Disposition of Property Plant Equipment | $ (107,000) | $ 378,000 | $ 2,500,000 |  |  |  |  |

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