Note 7 - Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

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

	Three Months Ended March 31,
	2022		2021
Stock options and SARs	$	360	$	452
Restricted stock		619		203
Performance shares		233		177
Total share-based compensation expense	$	1,212	$	832

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, 2022		779,938		$	16.12		3.27	$	5,097
Granted(1)		103,203			20.13
Exercised		(21,108	)		16.25
Lapsed or cancelled		(7,252	)		17.85
Outstanding, March 31, 2022		854,781			16.59		3.33		2,939
Exercisable, March 31, 2022		564,335			13.87		2.66		2,755

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, 2022		291,059		$	14.99		2.65	$	2,205
Granted(1)		37,297			20.13
Exercised		(24,836	)		15.16
Lapsed or cancelled		(2,308	)		16.97
Outstanding, March 31, 2022		301,212			15.60		2.88		1,227
Exercisable, March 31, 2022		232,228			13.48		2.43		1,227

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, 2022		458,166		$	19.51
Granted		23,677			20.52
Vested		(55,039	)		19.50
Outstanding, March 31, 2022		426,804			19.57

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

				Weighted Average
	No. of			Grant Date
	Shares			Fair Value
Outstanding, January 1, 2022		193,523		$	21.50
Granted		59,578			19.55
Vested		(15,750	)		16.97
Outstanding, March 31, 2022		237,351			21.31