Note 17 - Components of Accumulated Other Comprehensive Loss (Details) - Components of Accumulated Other Comprehensive Loss (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ (2,738)	$ (1,321)	$ (2,641)
Unrealized Holding Gains (Losses)	(16,023)	(541)	2,776
Reclassification Adjustment	(35)	(58)	(34)
Net pension loss arising during the period, net of tax	1,898	(752)	(1,356)
Less amortization of prior service cost included in net periodic pension cost, net of tax	(66)	(66)	(66)
Balance	(16,964)	(2,738)	(1,321)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	2,047	2,646	(96)
Unrealized Holding Gains (Losses)	(16,023)	(541)	2,776
Reclassification Adjustment	(35)	(58)	(34)
Balance	(14,011)	2,047	2,646
Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(4,785)	(3,967)	(2,545)
Net pension loss arising during the period, net of tax	1,898	(752)	(1,356)
Less amortization of prior service cost included in net periodic pension cost, net of tax	(66)	(66)	(66)
Balance	$ (2,953)	$ (4,785)	$ (3,967)