Note 9 - Property and Equipment at Cost (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Land	$ 59,831	$ 58,672
Leasehold improvements	103,445	98,302
Buildings and improvements	507,627	487,021
Furniture and equipment	150,357	142,110
Construction in progress	54,027	35,687
	875,287	821,792
Less: Accumulated depreciation	(339,241)	(307,048)
	$ 536,046	$ 514,744