Note 4 - Periodic Pension Expense (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended June 30,						Six Months Ended June 30,
	2021			2020			2021			2020
Service cost - benefits earned during the period	$	46		$	38		$	92		$	76
Interest cost on projected benefit obligation		153			216			340			432
Expected return on plan assets		(239	)		(389	)		(597	)		(778	)
Recognized actuarial loss		526			313			1,126			633
Settlement loss		-			193			-			331
Pension plan termination charge		6,945			-			6,945			-
Net periodic pension cost after settlements	$	7,431		$	371		$	7,906		$	694