Note 8 - Employee Benefit Plans (Details) - Pension And Benefit Plan Amounts Included In Accumulated Other Comprehensive Income (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Pension And Benefit Plan Amounts Included In Accumulated Other Comprehensive Income [Abstract]
Unamortized net (gain)/loss	$ 32,065
Unamortized prior service cost	$ 2,230	$ (1,644)	$ (7,754)