Note 4 - Periodic Pension Expense (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended September 30,						Nine Months Ended September 30,
	2020			2019			2020			2019
Service cost - benefits earned during the period	$	38		$	29		$	114		$	87
Interest cost on projected benefit obligation		216			271			648			813
Expected return on plan assets		(389	)		(385	)		(1,167	)		(1,106	)
Recognized actuarial loss		305			310			938			959
Settlement loss		82			280			413			616
Net periodic pension cost after settlements	$	252		$	505		$	946		$	1,369