Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of share-based compensation expense

The following table summarizes share-based compensation expense:

	Three Months Ended   June 30,						Six Months Ended   June 30,
(in thousands)	2015			2014			2015			2014
Restricted stock	$	506		$	759		$	1,100		$	1,413
Performance unit incentive plan (“PUP”)	376			326			988			95
Restricted stock units	(7		)	27			18			(5		)
Share-based compensation before income tax benefit	875			1,112			2,106			1,503
Income tax benefit	(325		)	(417		)	(792		)	(569		)
Share-based compensation, net of income tax benefit	$	550		$	695		$	1,314		$	934

Summary of liability based award activity

The following table summarizes the activity of the outstanding share-based compensation awards:

	Restricted Stock				PUP Awards				Restricted Stock Units
	Shares		Weighted-Average Grant Date Fair Value		Units		Weighted-Average Grant Date Fair Value		Units		Weighted-Average Grant Date Fair Value
Balance, December 31, 2014	328,602		$	23.30	267,120		$	23.51	25,370		$	23.17
Granted	80,500		27.33		91,100		27.31		4,800		27.35
Vested	(104,740	)	20.50		(103,555	)	20.60		(11,123	)	20.61
Forfeited	(24,130	)	24.37		(22,300	)	24.92		—		—
Balance, June 30, 2015	280,232		$	25.42	232,365		$	26.16	19,047		$	25.72

Summary of stock option activity

The following table summarizes stock option activity:

	Shares		Weighted- Average Exercise Price		Options Exercisable
Options outstanding at December 31, 2014	247,590		$	17.82	247,590
Exercised	(47,029	)	$	16.62
Forfeited or expired	(129,741	)	$	18.91
Options outstanding at June 30, 2015	70,820		$	16.62	70,820