Note 6 - Credit Facilities and Long-term Debt (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Used Vehicle Inventory Financing [Member]
Line of credit	$ 171,000	$ 134,000
Revolving Credit Facility [Member]
Line of credit	61,246	134,769
New vehicle floor plan commitment	1,265,872	1,137,632
Floor plan notes payable	48,083	41,047	[1]
Total floor plan debt	1,313,955	1,178,679
Real estate mortgages	387,861	334,443
Other debt	25,247	37,766
Total debt	$ 1,959,309	$ 1,819,657

[1] At December 31, 2014, we had an additional $4.9 million of floor plan notes payable outstanding on our new vehicle floor plan commitment recorded as liability related to assets held for sale.