Note 1 - Basis of Presentation (Details) - Property and Equipment (USD $) In Thousands, unless otherwise specified							3 Months Ended				3 Months Ended
	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2014 Land [Member]	Dec. 31, 2013 Land [Member]	Mar. 31, 2014 Building and Building Improvements [Member]	Dec. 31, 2013 Building and Building Improvements [Member]	Mar. 31, 2014 Building and Building Improvements [Member] Minimum [Member]	Mar. 31, 2014 Building and Building Improvements [Member] Maximum [Member]	Mar. 31, 2014 Equipment [Member]	Dec. 31, 2013 Equipment [Member]	Mar. 31, 2014 Equipment [Member] Minimum [Member]	Mar. 31, 2014 Equipment [Member] Maximum [Member]
Property and equipment:
Property and Equipment	$ 404,522	$ 408,280	$ 25,271	$ 25,656	$ 58,056	$ 59,021			$ 321,195	$ 323,603
Estimated Useful Lives							7 years	40 years			3 years	20 years
Accumulated depreciation	(264,937)	(264,659)
Total property and equipment, net	$ 139,585	$ 143,621