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

9 Months Ended

Sep. 30, 2018

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three months ended September 30,						Nine months ended September 30,
(In thousands)	2018			2017			2018			2017
Employee Pension Plan:
Interest cost	$	195		$	216		$	585		$	648
Amortization of unrecognized loss		155			174			465			523
Expected return on plan assets		(363	)		(348	)		(1,089	)		(1,044	)
Net employee pension ( benefit) expense	$	(13	)	$	42		$	(39	)	$	127
Outside Director Pension Plan:
Service cost	$	11		$	10		$	33		$	30
Interest cost		19			23			60			69
Amortization of unrecognized gain		(23	)		(23	)		(69	)		(69	)
Amortization of past service liability		3			10			9			30
Net outside director pension expense	$	10		$	20		$	33		$	60
Other Postretirement Benefit Plans:
Service cost	$	88		$	79		$	264		$	237
Interest cost		77			76			231			228
Amortization of past service credit		(13	)		(21	)		(37	)		(64	)
Net other postretirement expense	$	152		$	134		$	458		$	401