Note 13 - Employee Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Schedule of Net Funded Status [Table Text Block]

	December 31,
	2020			2019
(Amounts in thousands)
Beginning balance	$	11,312		$	9,265
Plan change		—			262
Service cost		310			320
Interest cost		355			404
Actuarial loss		1,217			1,570
Benefits paid		(615	)		(509	)
Ending balance	$	12,579		$	11,312

Schedule of Net Benefit Costs [Table Text Block]

	Year Ended December 31,
	2020			2019			2018			Income Statement Location
(Amounts in thousands)
Service cost	$	310		$	320		$	245		Salaries and employee benefits
Interest cost		355			404			358		Other expense
Amortization of prior service cost		201			257			228		Other expense
Amortization of losses		186			20			57		Other expense
Net periodic cost	$	1,052		$	1,001		$	888
Assumed discount rate		2.53	%		3.10	%		4.28	%

Schedule of Expected Benefit Payments [Table Text Block]

(Amounts in thousands)
2021	$	664
2022		675
2023		675
2024		717
2025		707
2026 through 2030		3,694

Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

	Year Ended December 31,
	2020		2019		2018
(Amounts in thousands)
Pre-tax compensation expense	$	1,643	$	1,481	$	1,158
Excess tax benefit		—		—		95

Share-based Payment Arrangement, Option, Activity [Table Text Block]

(Amounts in thousands, except share and per share data)	Option Shares			Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term (Years)		Aggregate Intrinsic Value
Outstanding, January 1, 2020		147,200		$	21.10
Granted		—			—
Exercised		—			—
Canceled/Expired		(32,921	)		26.44
Outstanding, December 31, 2020		114,279		$	19.56		4.52	$	432
Exercisable, December 31, 2020		114,279		$	19.56		4.52	$	432

Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

	Shares			Weighted Average Grant-Date Fair Value
Nonvested, January 1, 2020		57,653		$	31.93
Granted		89,097			21.20
Vested		(57,962	)		25.28
Canceled		(3,873	)		29.92
Nonvested, December 31, 2020		84,915		$	25.31