Note 11 - Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

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

	Years Ended December 31,
	2020		2019		2018
Stock options and SARs	$	1,321	$	407	$	984
Restricted stock		777		835		551
Performance shares		432		243		729
Total share-based compensation expense	$	2,530	$	1,485	$	2,264
Related income tax benefit	$	286	$	262	$	282

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	Years Ended December 31,
	2020		2019			2018
Stock Options:
Risk free interest rate		0.1% - 1.4%		1.7% - 2.5%			2.6% - 2.9%
Expected award life (years)		3-10		3-10			3-10
Expected volatility		35.6% - 61.5%		34.2% - 38.8%			35.4% - 42.1%
Expected dividend yield		1.9% - 5.3%		2.3% - 2.5%			1.6% - 2.1%
Weighted average fair value per share at grant date	$	2.36	$	3.96		$	5.93
SARs:
Risk free interest rate		0.2% - 1.4%		2.4	%		2.6	%
Expected award life (years)		3		3			3
Expected volatility		35.6% - 55.8%		34.8	%		38.1	%
Expected dividend yield		3.6% - 5.3%		2.3	%		1.6	%
Weighted average fair value per share at grant date	$	2.18	$	3.97		$	6.06

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

						Weighted Average		Aggregate
		No. of			Weighted Average	Remaining Life		Intrinsic Value
		Shares			Exercise Price	(in years)		(in thousands)
Outstanding, January 1, 2020		701,131		$	16.82	2.95	$	714
Granted		560,125			9.41
Exercised		(154,396	)		14.01
Lapsed or cancelled	(136,838)				17.25
Outstanding, December 31, 2020		970,022			12.92	3.74		11,128
Exercisable, December 31, 2020		279,707			17.41	2.41		1,664

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

						Weighted Average		Aggregate
		No. of			Weighted Average	Remaining Life		Intrinsic Value
		Shares			Exercise Price	(in years)		(in thousands)
Outstanding, January 1, 2020		206,700		$	18.67	2.04	$	-
Granted		225,625			10.08
Exercised		(46,696	)		16.46
Lapsed or cancelled	(68,501)				15.97
Outstanding, December 31, 2020		317,128			13.47	3.36		2,031
Exercisable, December 31, 2020		79,372			20.42	1.56		238

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

				Weighted Average
	No. of			Grant Date
	Shares			Fair Value
Outstanding, January 1, 2020		151,166		$	18.44
Granted		67,204			13.52
Vested		(43,706	)		18.30
Forfeited		(17,420	)		14.24
Outstanding, December 31, 2020		157,244			16.84

Schedule of Nonvested Performance-based Units Activity [Table Text Block]

				Weighted Average
	No. of			Grant Date
	Shares			Fair Value
Outstanding, January 1, 2020		194,012		$	19.77
Granted		25,000			12.00
Vested		(5,892	)		16.97
Forfeited		(26,856	)		23.46
Outstanding, December 31, 2020		186,264			18.28