Note 4 - Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2025

Table Text Block [Abstract]

Schedule of Net Periodic Pension Cost

Net periodic pension cost (benefit) for the plans consisted of the following for the three months ended March 31, 2025 and 2024 (in thousands):

	Three Months Ended March 31,
	2025			2024
Service cost	$	1,068		$	915
Interest cost		2,094			2,076
Expected return on plan assets		(3,251	)		(3,136	)
Amortization of prior service cost		20			66
Amortization of net loss		326			15
Net periodic pension cost (benefit)	$	257		$	(64	)