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Note 8 - Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

		December 31,
		2020				2019				2018
Change in benefit obligation
Projected benefit obligation at beginning of year		$	29,641			$	23,688			$	23,492
Service cost (1)			1,080				801				868
Interest cost			820				884				802
Actuarial loss (gain)			4,621				5,162				(423	)
Benefits paid			(1,310	)			(894	)			(1,051	)
Projected benefit obligation at end of year		$	34,852			$	29,641			$	23,688
Change in plan assets
Fair value of plan assets at beginning of year		$	25,007			$	21,786			$	23,428
Actual return on plan assets			3,718				4,115				(591	)
Employer contribution			5,000				-				-
Benefits paid			(1,310	)			(894	)			(1,051	)
Fair value of plan assets at end of year		$	32,415			$	25,007			$	21,786
Funded status at the end of the year		$	(2,437	)		$	(4,634	)		$	(1,902	)
Amounts recognized in the Consolidated Balance Sheet
Deferred tax asset		$	512			$	973			$	399
Other liabilities			(2,437	)			(4,634	)			(1,902	)
Total amounts recognized in the Consolidated Balance Sheet		$	(1,925	)		$	(3,661	)		$	(1,503	)
Amounts recognized in accumulated other comprehensive (loss), net
Net loss		$	(12,855	)		$	(10,983	)		$	(9,107	)
Prior service cost			11				120				230
Deferred tax asset			2,697				2,281				1,864
Amount recognized		$	(10,147	)		$	(8,582	)		$	(7,013	)
Accrued/Prepaid benefit cost, net
Benefit obligation		$	(34,852	)		$	(29,641	)		$	(23,688	)
Fair value of assets			32,415				25,007				21,789
Unrecognized net actuarial loss			12,855				10,983				9,107
Unrecognized prior service cost			(11	)			(120	)			(230	)
Deferred tax liability			(2,185	)			(1,308	)			(1,465	)
Prepaid benefit cost included in other assets		$	8,222			$	4,921			$	5,510

Components of net periodic benefit cost
Service cost		$	1,080			$	801			$	868
Interest cost			820				884				802
Expected return on plan assets			(1,679	)			(1,461	)			(1,601	)
Amortization of prior service cost			(110	)			(110	)			(110	)
Recognized net actuarial loss			710				632				585
Net periodic benefit cost		$	821			$	746			$	544
Other changes in plan assets and benefit obligations recognized in other comprehensive income
Net loss		$	1,871			$	1,876			$	1,184
Amortization of prior service cost			110				110				110
Deferred income tax benefit			(416	)			(417	)			(272	)
Total recognized		$	1,565			$	1,569			$	1,022
Total recognized in net periodic benefit cost and other comprehensive income		$	2,802			$	2,732			$	1,838
Weighted average assumptions at end of the year
Discount rate used for net periodic pension cost			3.00	%			4.00	%			3.50	%
Discount rate used for disclosure			2.25	%			3.00	%			4.00	%
Expected return on plan assets			7.50	%			7.50	%			7.50	%
Rate of compensation increase			3.00	%			3.00	%			3.00	%

Schedule of Allocation of Plan Assets [Table Text Block]

		Fair Value Measurements at December 31, 2020
Asset Category		Total				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
Cash		$	4,336			$	4,336			$	-			$	-
Equity securities:
U. S. companies			15,129				15,129				-				-
International companies			2,735				2,735				-				-
Equities mutual funds (1)			3,840				3,840				-				-
State and political subdivisions			152				-				152				-
Corporate bonds – investment grade (2)			6,223				-				6,223				-
Total pension plan assets		$	32,415			$	26,040			$	6,375			$	-

		Fair Value Measurements at December 31, 2019
Asset Category		Total				Quoted Prices in Active Markets for Identical Assets (Level 1)				Significant Observable Inputs (Level 2)				Significant Unobservable Inputs (Level 3)
Cash		$	4,350			$	4,350			$	-			$	-
Equity securities:
U. S. companies			11,098				11,098				-				-
International companies			2,334				2,334				-				-
Equities mutual funds (1)			1,343				1,343				-				-
State and political subdivisions			202				-				202				-
Corporate bonds – investment grade (2)			5,680				-				5,680				-
Total pension plan assets		$	25,007			$	19,125			$	5,882			$	-

Schedule of Expected Benefit Payments [Table Text Block]

2021			$	5,235
2022			$	1,436
2023			$	992
2024			$	1,823
2025			$	839
2026 - 2030			$	10,725

X

- Definition

Tabular disclosure of the major categories of plan assets of pension plans and/or other employee benefit plans. This information may include, but is not limited to, the target allocation of plan assets, the fair value of each major category of plan assets, and the level within the fair value hierarchy in which the fair value measurements fall.

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Tabular disclosure of one or more of the entity's defined benefit pension plans or one or more other defined benefit postretirement plans, separately for pension plans and other postretirement benefit plans including the entity's schedule of fair value of plan assets for defined benefit or other postretirement plans.

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Tabular disclosure of benefits expected to be paid by pension plans and/or other employee benefit plans in each of the next five fiscal years and in the aggregate for the five fiscal years thereafter.

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