Note 8 - Employee Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2025

Notes Tables

Schedule of Allocation of Plan Assets [Table Text Block]

	Actual as of			Actual as of
	December 31, 2025			December 31, 2024
U.S. Pension plan:
Cash		2	%		2	%
Alternative securities		7	%		9	%
Debt securities		44	%		40	%
Equity securities		47	%		49	%
Total		100	%		100	%

Schedule Of Fair Value Plan Assets Measured On Recurring Basis [Table Text Block]

			Quoted prices in		Significant		Significant
			active		observable		unobservable		Measured at
(In Thousands)			markets		inputs		inputs		Net Asset
	Fair Value		(Level 1)		(Level 2)		(Level 3)		Value
Pension plan measured at fair value:
Equity securities	$	14,084	$	14,084	$	—	$	—	$	—
Debt securities		13,124		2,697		10,427		—		—
Alternative securities		2,253		—		—		2,253		—
Cash and cash equivalents		627		—		627		—		—
Total fair value of pension plan assets	$	30,088	$	16,781	$	11,054	$	2,253	$	—

			Quoted prices in		Significant		Significant
			active		observable		unobservable		Measured at
(In Thousands)			markets		inputs		inputs		Net Asset
	Fair Value		(Level 1)		(Level 2)		(Level 3)		Value
Pension plan measured at fair value:
Equity securities	$	14,927	$	14,927	$	—	$	—	$	—
Debt securities		11,962		2,192		9,770		—		—
Alternative securities		2,631		—		—		2,631		—
Cash and cash equivalents		735		—		735		—		—
Total fair value of pension plan assets	$	30,255	$	17,119	$	10,505	$	2,631	$	—

Schedule of Net Funded Status [Table Text Block]

(In Thousands)	Year Ended December 31,
	2025			2024			2023
Change in benefit obligation:
Benefit obligation at beginning of the period	$	48,048		$	50,097		$	64,273
Interest cost		2,462			2,572			2,873
Benefits paid		(4,130	)		(4,371	)		(5,104	)
Actuarial (gain) loss (A)		(1,474	)		(250	)		1,916
Settlement		—			—			(13,861	)
Benefit obligation at end of the period	$	44,906		$	48,048		$	50,097
Change in plan assets:
Fair value of plan assets at beginning of the period	$	30,255		$	30,843		$	45,378
Actual return		1,785			2,184			2,827
Employer contributions		2,178			1,599			1,603
Benefits paid		(4,130	)		(4,371	)		(5,104	)
Settlement		—			—			(13,861	)
Fair value of plan assets at end of the period		30,088			30,255			30,843
Unfunded status at end of the period	$	(14,818	)	$	(17,793	)	$	(19,254	)
Net amount recognized in the balance sheet consists of:
Current liabilities	$	(1,212	)	$	(1,567	)	$	(1,572	)
Noncurrent liabilities		(13,606	)		(16,226	)		(17,682	)
Net amount recognized	$	(14,818	)	$	(17,793	)	$	(19,254	)

Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block]

(In Thousands)	December 31,		December 31,
	2025		2024
Projected and accumulated benefit obligation	$	44,906	$	48,048
Fair value of plan assets		30,088		30,255

Schedule of Net Benefit Costs [Table Text Block]

(In Thousands)	Year Ended December 31,
	2025			2024			2023
Interest cost	$	2,462		$	2,572		$	2,873
Expected return on plan assets		(1,831	)		(1,828	)		(2,111	)
Amortization of net actuarial gains (losses)		(240	)		(94	)		(146	)
Settlement/curtailment gain		—			—			(2,177	)
Net periodic pension cost (benefit)	$	391		$	650		$	(1,561	)

Schedule of Amounts Recognized in Other Comprehensive Income (Loss) [Table Text Block]

	Pension Benefits
(In Thousands)	Year Ended December 31,
	2025			2024			2023
Total net (gain) loss recognized in other comprehensive (income) loss	$	(1,188	)	$	(511	)	$	3,522

Defined Benefit Plan, Assumptions [Table Text Block]

	Pension Benefits
	2025			2024
Discount rate		5.7	%		5.3	%
Expected long-term rate of return on assets		6.3	%		6.3	%

Schedule of Expected Benefit Payments [Table Text Block]

	Pension
Year ending December 31, (In Thousands)	Benefits
2026	$	4,317
2027		4,234
2028		4,155
2029		4,064
2030		3,966
2031 – 2035		17,953
Total 10-year estimated future benefit payments	$	38,689