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Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

Share-Based Compensation [Abstract]

Summary of share-based compensation expense

		2013				2012
		(in thousands)
Performance unit incentive plan (“PUP”)		$	863			$	238
Restricted stock			773				747
Stock options			95				145
Restricted stock units			88				87
Total share-based compensation before income tax benefit			1,819				1,217
Income tax benefit			(654	)			(436	)
Total share-based compensation, net of income tax benefit		$	1,165			$	781

Summary of activity of the outstanding share-based compensation awards

		Restricted Stock								Restricted Stock Units								PUP Awards
		Shares				Weighted- Average Grant Date Fair Value				Units				Weighted- Average Grant Date Fair Value				Units				Weighted- Average Grant Date Fair Value
Balance at January 1, 2013			516,351			$	21.25				40,500			$	20.82				210,600			$	21.70
Granted			99,400				27.35				8,600				27.35				93,100				27.35
Vested			(145,506	)			20.71				(11,300	)			19.10				—				—
Forfeited			(636	)			20.53				—				—				—				—
Balance at March 31, 2013			469,609				22.71				37,800				22.82				303,700				23.43

Summary of stock option activity

						Weighted-
						Average				Options
		Shares				Exercise Price				Exercisable
Options outstanding at January 1, 2013			363,896			$	22.03				276,009
Exercised			(47,343	)			19.48
Forfeited or expired			(27,086	)			28.28
Options outstanding at March 31, 2013			289,467				21.87				287,467

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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.

+ References

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- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ 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 (c)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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