Note 13 - Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2014

Stockholders' Equity Note [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block]

December 31, 2014	Unrealized Gains and (Losses) on Available for Sale Securities			Defined Benefit Pension Items			Total
	(In thousands)
Beginning balance, net of tax	$	(8,522	)	$	(2,853	)	$	(11,375	)
Other comprehensive income before reclassifications, net of tax		13,548			(3,790	)		9,758
Amounts reclassified from accumulated other comprehensive income, net of tax		(1,634	)		344			(1,290	)
Net current period other comprehensive income, net of tax		11,914			(3,446	)		8,468
Ending balance, net of tax	$	3,392		$	(6,299	)	$	(2,907	)

December 31, 2013	Unrealized Gains and (Losses) on Available for Sale Securities			Defined Benefit Pension Items			Total
	(In thousands)
Beginning balance, net of tax	$	18,921		$	(6,784	)	$	12,137
Other comprehensive income before reclassifications, net of tax		(26,541	)		3,261			(23,280	)
Amounts reclassified from accumulated other comprehensive income, net of tax		(902	)		670			(232	)
Net current period other comprehensive income, net of tax		(27,443	)		3,931			(23,512	)
Ending balance, net of tax	$	(8,522	)	$	(2,853	)	$	(11,375	)

Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]

Details about Accumulated Other Comprehensive Income Components	Amounts Reclassified from Accumulated Other Comprehensive Income			Affected Line Item in the Statement Where Net Income is Presented
(Dollars in thousands)
Unrealized gains (losses) on available for sale securities:	$	2,875		Net gain on sale of securities
		(1,241	)	Tax expense
	$	1,634		Net of tax
Amortization of defined benefit pension items:
Actuarial losses	$	(700	) (1)	Other expense
Prior service credits		45	(1)	Other expense
		(655	)	Total before tax
		311		Tax benefit
	$	(344	)	Net of tax

Details about Accumulated Other Comprehensive Income Components	Amounts Reclassified from Accumulated Other Comprehensive Income			Affected Line Item in the Statement Where Net Income is Presented
(Dollars in thousands)
Unrealized gains (losses) on available for sale securities:	$	3,021		Net gain on sale of securities
		(1,321	)	Tax expense
	$	1,700		Net of tax
OTTI charges	$	(1,419	)	OTTI charge
		621		Tax benefit
	$	(798	)	Net of tax
Amortization of defined benefit pension items:
Actuarial losses	$	(1,237	)(1)	Other expense
Prior service credits		46	(1)	Other expense
		(1,191	)	Total before tax
		521		Tax benefit
	$	(670	)	Net of tax