Note 1 - Basis of Presentation (Details) - Property and Equipment (USD $) In Thousands, unless otherwise specified							6 Months Ended				6 Months Ended
	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Land [Member]	Dec. 31, 2013 Land [Member]	Jun. 30, 2014 Building and Building Improvements [Member]	Dec. 31, 2013 Building and Building Improvements [Member]	Jun. 30, 2014 Building and Building Improvements [Member] Minimum [Member]	Jun. 30, 2014 Building and Building Improvements [Member] Maximum [Member]	Jun. 30, 2014 Equipment [Member]	Dec. 31, 2013 Equipment [Member]	Jun. 30, 2014 Equipment [Member] Minimum [Member]	Jun. 30, 2014 Equipment [Member] Maximum [Member]
Property and equipment:
Property and Equipment	$ 461,026	$ 408,280	$ 30,821	$ 25,656	$ 65,154	$ 59,021			$ 365,051	$ 323,603
Estimated Useful Lives							7 years	40 years			3 years	20 years
Accumulated depreciation	(269,578)	(264,659)
Total property and equipment, net	$ 191,448	$ 143,621