Note 9 - Pension and Other Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three months ended June 30,						Six months ended June 30,
(In thousands)	2018			2017			2018			2017
Employee Pension Plan:
Interest cost	$	195		$	216		$	390		$	432
Amortization of unrecognized loss		156			174			311			348
Expected return on plan assets		(363	)		(348	)		(726	)		(696	)
Net employee pension ( benefit) expense	$	(12	)	$	42		$	(25	)	$	84
Outside Director Pension Plan:
Service cost	$	11		$	10		$	22		$	20
Interest cost		20			23			40			46
Amortization of unrecognized gain		(23	)		(23	)		(46	)		(46	)
Amortization of past service liability		3			10			6			20
Net outside director pension expense	$	11		$	20		$	22		$	40
Other Postretirement Benefit Plans:
Service cost	$	88		$	79		$	176		$	158
Interest cost		77			76			154			152
Amortization of past service credit		(12	)		(21	)		(25	)		(42	)
Net other postretirement expense	$	153		$	134		$	305		$	268