Note 19 - Segments - Segment Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Total Assets	$ 3,844,150	$ 3,225,130
Operating Segments [Member] | Domestic [Member]
Total Assets	1,225,387	993,426
Operating Segments [Member] | Import [Member]
Total Assets	959,355	716,959
Operating Segments [Member] | Luxury [Member]
Total Assets	511,779	475,305
Operating Segments [Member] | Corporate and Other [Member]
Total Assets	$ 1,147,629	$ 1,039,440