Note 2 - Accumulated Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2015

Disclosure Text Block [Abstract]

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

Year Ended December 31,	2015									2014
(In thousands)	Unrealized Gains and Losses on Available for Sale Investment Securities			Postretirement Benefit Obligation			Total			Unrealized Gains and Losses on Available for Sale Investment Securities			Postretirement Benefit Obligation			Total
Beginning balance	$	5,174		$	(299	)	$	4,875		$	(3,623	)	$	411		$	(3,212	)
Other comprehensive (loss) income before reclassifications		(1,850	)		(198	)		(2,048	)		8,734			(801	)		7,933
Amounts reclassified from accumulated other comprehensive income		(105	)		60			(45	)		63			91			154
Net current-period other comprehensive (loss) income		(1,955	)		(138	)		(2,093	)		8,797			(710	)		8,087
Ending balance	$	3,219		$	(437	)	$	2,782		$	5,174		$	(299	)	$	4,875

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

(In thousands)	Amount Reclassified from Accumulated Other Comprehensive Income						Affected Line Item in the Statement Where Net Income is Presented
Year Ended December 31,	2015			2014
Unrealized gains and losses on available for sale investment securities	$	161		$	(97	)	Investment securities gains (losses), net
		(56	)		34		Income tax expense
	$	105		$	(63	)	Net of tax
Amortization related to postretirement benefits
Prior service costs	$	(51	)	$	(207	)	Salaries and employee benefits
Actuarial (losses) gains		(42	)		67		Salaries and employee benefits
		(93	)		(140	)	Total before tax
		33			49		Income tax expense
	$	(60	)	$	(91	)	Net of tax
Total reclassifications for the period	$	45		$	(154	)	Net of tax