Note 8 - Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

	December 31,
	2023			2022
Change in benefit obligation
Projected benefit obligation at beginning of year	$	23,128		$	35,312
Service cost (1)		813			1,297
Interest cost (2)		1,091			817
Actuarial loss (gain) (3)		1,542			(11,566	)
Benefits paid		(824	)		(2,732	)
Projected benefit obligation at end of year	$	25,750		$	23,128
Change in plan assets
Fair value of plan assets at beginning of year	$	29,746		$	36,187
Actual return on plan assets		3,587			(3,709	)
Benefits paid		(824	)		(2,732	)
Fair value of plan assets at end of year	$	32,509		$	29,746
Funded status at the end of the year	$	6,759		$	6,618
Amounts recognized in the Consolidated Balance Sheet
Deferred tax liabilities	$	(1,419	)	$	(1,390	)
Other assets		6,759			6,618
Total amounts recognized in the Consolidated Balance Sheet	$	5,340		$	5,228
Amounts recognized in accumulated other comprehensive loss, net
Net loss	$	(2,924	)	$	(2,968	)
Deferred tax asset		614			623
Amount recognized	$	(2,310	)	$	(2,345	)
				(continued		)

Accrued/Prepaid benefit cost, net
Benefit obligation	$	(25,750	)	$	(23,128	)
Fair value of assets		32,509			29,746
Unrecognized net actuarial loss		2,924			2,968
Deferred tax liability		(2,033	)		(2,013	)
Prepaid benefit cost included in other assets	$	7,650		$	7,573
Components of net periodic benefit cost
Service cost(1)	$	813		$	1,297
Interest cost(2)		1,091			817
Expected return on plan assets(2)		(2,070	)		(2,517	)
Recognized net actuarial loss(2)		69			441
Net periodic benefit cost	$	(97	)	$	38
Other changes in plan assets and benefit obligations recognized in other comprehensive loss
Net gain	$	(44	)	$	(5,781	)
Deferred income tax expense		9			1,214
Total recognized	$	(35	)	$	(4,567	)
Total recognized in net periodic benefit cost and other comprehensive loss	$	(141	)	$	(5,743	)
Weighted average assumptions at end of the year
Discount rate used for net periodic pension cost		5.00	%		2.50	%
Discount rate used for disclosure		4.75	%		5.00	%
Expected return on plan assets		7.50	%		7.50	%
Rate of compensation increase		3.00	%		3.00	%

Schedule of Defined Benefit Plans, Components of Actuarial Loss (Gain) [Table Text Block]

	For the Year Ended December 31,
Components of actuarial loss (gain)	2023			2022
Loss due to demographic changes	$	934		$	66
Gain due to change in mortality table		(291	)		-
Loss (gain) due to change in discount rate		899			(11,632	)
Actuarial loss (gain)		1,542			(11,566	)
(Gain) loss due to asset return		(1,517	)		6,226
Actuarial loss (gain) with asset return		25			(5,340	)

Schedule of Allocation of Plan Assets [Table Text Block]

	Fair Value Measurements as of December 31, 2023
Asset Category	Total		Level 1		Level 2		Level 3
Cash	$	867	$	867	$	-	$	-
Equity securities:
U. S. companies		17,540		17,540		-		-
International companies		400		400		-		-
Equities mutual funds (1)		6,098		6,098		-		-
State and political subdivisions		51		-		51		-
Corporate bonds – investment grade (2)		7,553		-		7,553		-
Total pension plan assets	$	32,509	$	24,905	$	7,604	$	-

	Fair Value Measurements as of December 31, 2022
Asset Category	Total		Level 1		Level 2		Level 3)
Cash	$	415	$	415	$	-	$	-
Equity securities:
U. S. companies		15,459		15,459		-		-
International companies		770		770		-		-
Equities mutual funds (1)		6,090		6,090		-		-
State and political subdivisions		51		-		51		-
Corporate bonds – investment grade (2)		6,961		-		6,961		-
Total pension plan assets	$	29,746	$	22,734	$	7,012	$	-

Schedule of Expected Benefit Payments [Table Text Block]

Year		Estimated Benefit Payment
2024	$	4,971
2025	$	783
2026	$	1,824
2027	$	1,746
2028	$	1,817
2029 - 2033	$	11,559