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Note 7 - Accrued Retirement Benefits (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

		2023				2022
		(in thousands)
Defined benefit pension plan		$	(33	)		$	1,023
Non-qualified retirement plan			1,725				1,731
Total			1,692				2,754
Less current portion			(142	)			(142	)
Non-current portion of accrued retirement benefits		$	1,550			$	2,612

Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block]

		2023				2022
		(in thousands)
Change in benefit obligations:
Benefit obligations at beginning of year		$	16,537			$	40,182
Interest cost			783				1,034
Actuarial gain			(580	)			(7,772	)
Benefits paid			(1,188	)			(16,907	)
Benefit obligations at end of year			15,552				16,537
Change in plan assets:
Fair value of plan assets at beginning of year			13,783				32,103
Actual return on plan assets			1,137				(7,241	)
Employer contributions			128				5,828
Benefits paid			(1,188	)			(16,907	)
Fair value of plan assets at end of year			13,860				13,783
Funded status		$	(1,692	)		$	(2,754	)
Accumulated benefit obligations		$	(15,552	)		$	16,537

Weighted average assumptions to determine benefit obligations:
Discount rate			4.90	-	4.95%				5.11	-	5.14%
Expected long-term return on plan assets				5.25%						5.00%
Rate of compensation increase				n/a						n/a

Schedule of Net Benefit Costs [Table Text Block]

		2023				2022
		(in thousands)
Pension and other benefits:
Interest cost		$	783			$	1,034
Expected return on plan assets			(657	)			(1,226	)
Recognized net actuarial loss			310				585
Settlement expense			-				7,492
Pension expense		$	436			$	7,885
Other changes in plan assets and benefit obligations recognized in comprehensive income:
Net loss (gain)		$	(1,060	)		$	696
Amortization of recognized loss			(310	)			(8,077	)
Total recognized gain in comprehensive income		$	(1,370	)			(7,381	)

Defined Benefit Plan, Assumptions [Table Text Block]

Weighted average assumptions used to determine net periodic benefit cost:		2023						2022
Discount rate			5.11	-	5.14%				2.69	-	2.74%
Expected long-term return on plan assets				5.00%						4.00%
Rate of compensation increase				n/a						n/a

Fair Value, Assets Measured on Recurring Basis [Table Text Block]

		2023 Fair Value Measurements (in thousands)
		Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Other Observable Inputs (Level 2)				Measured at NAV as a practical expedient				Total
ACIT equity funds		$	-			$	760			$	-			$	760
ACIT fixed income funds			-				12,002				70				12,072
Cash management funds			-				1,028				-				1,028
		$	-			$	13,790			$	70			$	13,860

		2022 Fair Value Measurements (in thousands)
		Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Other Observable Inputs (Level 2)				Measured at NAV as a practical expedient				Total
ACIT equity funds		$	-			$	631			$	828			$	1,459
ACIT fixed income funds			-				10,666				261				10,927
Cash management funds			-				1,397				-				1,397
		$	-			$	12,694			$	1,089			$	13,783

Schedule of Expected Benefit Payments [Table Text Block]

Years ending December 31,
2023			$	1,394
2024			$	1,373
2025			$	1,346
2026			$	1,316
2027			$	1,277
2028-2032			$	5,851

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