Equity-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2012

Details of Compensation Expense

The following table details our compensation expense for the quarters and six months ended June 30:

	Quarter Ended					Six Months Ended
	June 30,					June 30,
(Dollars in thousands)	2012		2011			2012		2011
Employee equity-based compensation expense:
Performance shares	$	892	$	942		$	1,707	$	1,765
Restricted stock units	159		155			291		282
Total employee equity-based compensation expense	$	1,051	$	1,097		$	1,998	$	2,047
Related net income tax benefit	$	—	$	—		$	—	$	—
Director deferred compensation expense (income)	$	184	$	(545	)	$	427	$	857

Summary of Outstanding Stock Options

The following table summarizes outstanding stock options as of June 30, 2012 and changes during the six months ended June 30, 2012:

(Dollars in thousands, except exercise prices)	Shares		Weighted Avg. Exercise Price		Aggregate Intrinsic Value
Outstanding at January 1	144,684		$	23.34
Shares exercised	(4,017	)	15.85		$	61
Shares canceled or expired	—		—
Outstanding and exercisable at June 30	140,667		23.55		1,180

Summary of Outstanding Stock Options by Exercise Price Range

The following table summarizes outstanding stock options as of June 30, 2012:

	Options Outstanding and Exercisable
Range of Exercise Prices	Outstanding	Weighted Avg. Remaining Contractual Life		Weighted Avg. Exercise Price
$13.8594 to $14.4398	33,001	0.44	years	$	14.29
$19.2569	41,821	1.42	years	19.26
$30.9204	65,845	2.42	years	30.92
$13.8594 to $30.9204	140,667	1.66	years	23.55

Fair Value of Performance Share Awards

The following table presents the key inputs used in the Monte Carlo simulation method to calculate the fair value of the performance share awards in 2012 and 2011, and the resulting fair values:

	2012			2011
Shares granted	85,028			77,767
Stock price as of valuation date	$	31.11		$	39.10
Risk-free rate	0.40		%	1.26		%
Fair value of a performance share	$	34.24		$	55.84

Summary of Outstanding Performance Share Awards

The following table summarizes outstanding performance share awards as of June 30, 2012, and changes during the six months ended June 30, 2012:

(Dollars in thousands, except grant date fair value)	Shares		Weighted Avg. Grant Date Fair Value		Aggregate Intrinsic Value
Unvested shares outstanding at January 1	154,594		$	50.54
Granted	85,028		34.24
Forfeited	(2,596	)	44.99
Unvested shares outstanding at June 30	237,026		44.76		$	7,399

Summary of Outstanding RSU Awards

The following table summarizes outstanding RSU awards as of June 30, 2012, and changes during the six months ended June 30, 2012:

(Dollars in thousands, except grant date fair value)	Shares		Weighted Avg. Grant Date Fair Value		Aggregate Intrinsic Value
Unvested shares outstanding at January 1	36,359		$	35.60
Granted	18,725		31.14
Vested	(450	)	30.17
Forfeited	(1,504	)	33.36
Unvested shares outstanding at June 30	53,130		34.14		$	1,697