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Note 6 - Share-based Payments (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

Award	Grant Date		Shares/ Units Granted				Weighted Average Grant-Date Fair Value per Award			Vesting
Restricted Stock Units Granted:
With Dividend Equivalent:
To Key Management Employees	February 3, 2020			3,000			$	54.0450		25% per year through February 6, 2024
To Executive Officers	February 12, 2020			15,300			$	54.0607		25% per year through February 6, 2024
Without Dividend Equivalent:
To Nonexecutive Employees	April 20, 2020			14,975			$	40.18		100% April 8, 2024
Stock Performance Awards Granted:
Under Executive Agreement	February 12, 2020			47,600			$	47.10		December 31, 2022
Under Legacy Agreement	February 12, 2020			7,400			$	52.20		December 31, 2022
Restricted Stock Granted to Nonemployee Directors	April 20, 2020			17,400			$	44.85		33% per year through April 8, 2023

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

		Three months ended								Nine months ended
		September 30,								September 30,
(in thousands)		2020				2019				2020				2019
Stock Performance Awards Granted to Executive Officers		$	758			$	743			$	3,170			$	3,274
Restricted Stock Dividend Equivalent Units Granted to Executive Officers and Key Employees			106				189				891				999
Restricted Stock Granted to Nonemployee Directors			237				203				677				572
Restricted Stock Units Granted to Nonexecutive Employees			133				112				408				346
ESPP (15% discount)			41				54				136				54
Totals		$	1,275			$	1,301			$	5,282			$	5,245

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Tabular disclosure of share-based payment arrangement.

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Tabular disclosure of activity for award under share-based payment arrangement. Includes, but is not limited to, outstanding award at beginning and end of year, granted, exercised, forfeited, and weighted-average grant date fair value.

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