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Share-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2017

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Summary of Share-Based Compensation Expense

The following table summarizes share-based compensation expense:

		Three Months Ended								Six Months Ended
		June 30,								June 30,
(in thousands)		2017				2016				2017				2016
Performance unit incentive plan (“PUP”)		$	1,927			$	816			$	3,243			$	1,351
Restricted stock			774				576				1,397				1,074
Restricted stock units			47				41				107				74
Share-based compensation before income tax benefit			2,748				1,433				4,747				2,499
Income tax benefit			(1,028	)			(540	)			(1,772	)			(938	)
Share-based compensation, net of income tax benefit		$	1,720			$	893			$	2,975			$	1,561

Summary of Activity of the Outstanding Share-Based Compensation Awards

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				Shares				Weighted-Average Grant Date Fair Value				Shares				Weighted-Average Grant Date Fair Value
Balance at December 31, 2016			267,051			$	25.96				255,505			$	26.11				15,982			$	25.58
Granted			64,098			$	46.59				72,642			$	47.45				2,950			$	47.45
Vested			(73,553	)		$	23.85				(76,082	)		$	23.66				(6,182	)		$	25.05
Forfeited			(3,096	)		$	31.68				(1,416	)		$	31.68				—			$	—
Balance at June 30, 2017			254,500			$	31.70				250,649			$	33.00				12,750			$	30.90

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- References

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- Definition

Tabular disclosure of the amount of total share-based compensation cost, including the amounts attributable to each share-based compensation plan and any related tax benefits.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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