Note 10 - Pension and Other Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2015

Retirement Plan [Member]

Note 10 - Pension and Other Postretirement Benefit Plans (Tables) [Line Items]

Schedule of Net Benefit Costs [Table Text Block]

	Three months ended September 30,						Nine months ended September 30,
(In thousands)	2015			2014			2015			2014
Employee Pension Plan:
Interest cost	$	221		$	223		$	663		$	669
Amortization of unrecognized loss		291			190			872			570
Expected return on plan assets		(350	)		(336	)		(1,050	)		(1,008	)
Net employee pension expense	$	162		$	77		$	485		$	231
Outside Director Pension Plan:
Service cost	$	11		$	13		$	33		$	39
Interest cost		24			29			72			87
Accretion of unrecognized gain		(14	)		(15	)		(42	)		(45	)
Amortization of past service liability		10			10			30			30
Net outside director pension expense	$	31		$	37		$	93		$	111
Other Postretirement Benefit Plans:
Service cost	$	95		$	90		$	285		$	270
Interest cost		75			63			225			189
Amortization of unrecognized loss		30			-			90			-
Accretion of past service credit		(21	)		(22	)		(64	)		(67	)
Net other postretirement expense	$	179		$	131		$	536		$	392