Note 8 - Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

Schedule of Nonvested Share Activity [Table Text Block]

Full Value Awards	Shares			Weighted-Average Grant-Date Fair Value
Non-vested at December 31, 2012		318,051		$	13.35
Granted		243,645			15.26
Vested		(175,486	)		14.19
Forfeited		-			-
Non-vested at March 31, 2013		386,210		$	14.18
Vested but unissued at March 31, 2013		232,395		$	14.29

Schedule Of Stock Options [Table Text Block]

	For the three months ended March 31,
(In thousands)	2013		2012
Proceeds from stock options exercised	$	22	$	244
Fair value of shares received upon exercised of stock options		637		548
Tax benefit related to stock options exercised		53		24
Intrinsic value of stock options exercised		174		114

Non-Full Value Awards [Member]

Schedule of Share-based Compensation, Activity [Table Text Block]

Non-Full Value Awards	Shares			Weighted- Average Exercise Price		Weighted-Average Remaining Contractual Term		Aggregate Intrinsic Value $(000) *
Outstanding at December 31, 2012		770,355		$	15.92
Granted		-			-
Exercised		(52,320	)		12.62
Forfeited		-			-
Outstanding at March 31, 2013		718,035		$	16.16		2.8	$	1,014
Exercisable shares at March 31, 2013		680,095		$	16.34		2.7	$	824
Vested but unexercisable shares at March 31, 2013		14,560		$	13.29		5.6	$	69

Phantom Share Units (PSUs) [Member]

Schedule of Share-based Compensation, Activity [Table Text Block]

Phantom Stock Plan	Shares			Fair Value
Outstanding at December 31, 2012		50,067		$	15.34
Granted		8,589			15.57
Forfeited		-			-
Distributions		(13	)		15.84
Outstanding at March 31, 2013		58,643		$	16.94
Vested at March 31, 2013		58,311		$	16.94