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Note 7 - Floor Plan Notes Payable and Lines Of Credit (Details) - Assets Pledged as Collateral (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Assets Pledged as Collateral [Abstract]    
Inventories, new and used vehicles at cost based on specific identification, net of allowance $ 634,732 $ 541,287
Vehicle sale related accounts receivable 42,830 40,840
Total 677,562 582,127
Floor plan notes payable related to vehicles $ 593,649 $ 534,520