Note 13 - Accumulated Other Comprehensive Income (Detail) - Significant amounts reclassified out of accumulated other comprehensive income by component: (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Unrealized gains losses on available for sale securities:	$ 2,858
	(1,249)
	1,609
Actuarial losses	(309)	[1]
Prior service credits	11	[1]
	(298)
	130
	$ (168)

[1] These accumulated other comprehensive income components are included in the computation of net periodic pension cost (See Note 9 of the Notes to Consolidated Financial Statements "Pension and Other Postretirement Benefit Plans."