Note 8 - Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

	December 31,
	2024			2023
Change in benefit obligation
Projected benefit obligation at beginning of year	$	25,750		$	23,128
Service cost (1)		1,042			813
Interest cost (2)		1,206			1,091
Actuarial (gain) loss (3)		(842	)		1,542
Benefits paid		(1,096	)		(824	)
Projected benefit obligation at end of year	$	26,060		$	25,750
Change in plan assets
Fair value of plan assets at beginning of year	$	32,509		$	29,746
Actual return on plan assets		4,795			3,587
Employer contribution		3,000			–
Benefits paid		(1,096	)		(824	)
Fair value of plan assets at end of year	$	39,208		$	32,509
Funded status at the end of the year	$	13,148		$	6,759
Amounts recognized in the Consolidated Balance Sheet
Deferred tax liabilities	$	(2,761	)	$	(1,419	)
Other assets		13,148			6,759
Total amounts recognized in the Consolidated Balance Sheet	$	10,387		$	5,340
Amounts recognized in accumulated other comprehensive loss, net
Net loss (gain)	$	415		$	(2,924	)
Deferred tax (liability) asset		(87	)		614
Amount recognized	$	328		$	(2,310	)
Accrued/Prepaid benefit cost, net
Benefit obligation	$	(26,060	)	$	(25,750	)
Fair value of assets		39,208			32,509
Unrecognized net actuarial (gain) loss		(415	)		2,924
Deferred tax liability		(2,674	)		(2,033	)
Prepaid benefit cost included in other assets	$	10,059		$	7,650
Components of net periodic benefit cost
Service cost(1)	$	1,042		$	813
Interest cost(2)		1,206			1,091
Expected return on plan assets(2)		(2,431	)		(2,070	)
Recognized net actuarial loss(2)		134			69
Net periodic benefit cost	$	(49	)	$	(97	)
Other changes in plan assets and benefit obligations recognized in other    comprehensive income
Net gain	$	(3,339	)	$	(44	)
Deferred income tax expense		701			9
Total recognized	$	(2,638	)	$	(35	)
Total recognized in net periodic benefit cost and other comprehensive    income	$	(3,388	)	$	(141	)
Weighted average assumptions at end of the year
Discount rate used for net periodic pension cost		4.75	%		5.00	%
Discount rate used for disclosure		5.50	%		4.75	%
Expected return on plan assets		7.50	%		7.50	%
Rate of compensation increase		4.00	%		3.00	%

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

	For the Year Ended December 31,
Components of actuarial loss (gain)	2024			2023
Loss due to demographic changes	$	727		$	934
Gain due to change in mortality table		-			(291	)
(Gain) loss due to change in discount rate		(2,691	)		899
Loss due to change in rate of compensation increase		1,122			-
Actuarial (gain) loss		(842	)		1,542
Gain due to asset return		(2,364	)		(1,517	)
Actuarial (gain) loss with asset return	$	(3,206	)	$	25

Schedule of Allocation of Plan Assets [Table Text Block]

	Fair Value Measurements as of December 31, 2024
Asset Category	Total		Level 1		Level 2		Level 3
Cash	$	1,228	$	1,228	$	-	$	-
Equity securities:
U. S. companies		21,373		21,373		-		-
International companies		200		200		-		-
Equities mutual funds (1)		6,532		6,532		-		-
State and political subdivisions		50		-		50		-
Corporate bonds – investment grade (2)		9,825		-		9,825		-
Total pension plan assets	$	39,208	$	29,333	$	9,875	$	-

	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	$	-

Schedule of Expected Benefit Payments [Table Text Block]

Year	Estimated Benefit Payment
2025	$	4,292
2026	$	1,428
2027	$	1,743
2028	$	1,869
2029	$	2,883
2030 - 2034	$	12,072