Note 1 - Description of Business and Summary of Significant Accounting Policies (Details) - Property and Equipment (USD $) In Thousands, unless otherwise specified							12 Months Ended				12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Land [Member]	Dec. 31, 2012 Land [Member]	Dec. 31, 2013 Building and Building Improvements [Member]	Dec. 31, 2012 Building and Building Improvements [Member]	Dec. 31, 2013 Building and Building Improvements [Member] Minimum [Member]	Dec. 31, 2013 Building and Building Improvements [Member] Maximum [Member]	Dec. 31, 2013 Equipment [Member]	Dec. 31, 2012 Equipment [Member]	Dec. 31, 2013 Equipment [Member] Minimum [Member]	Dec. 31, 2013 Equipment [Member] Maximum [Member]
Property and equipment:
Property and Equipment	$ 408,280	$ 393,853	$ 25,656	$ 24,383	$ 59,021	$ 55,709			$ 323,603	$ 313,761
Estimated Useful Lives							7 years	40 years			3 years	20 years
Accumulated depreciation	(264,659)	(258,715)
Total property and equipment, net	$ 143,621	$ 135,138