Share Based Compensation (Tables)

3 Months Ended

Mar. 31, 2012

Share Based Compensation [Abstract]

Share based compensation effect on earnings per share

Share-based compensation expense reduced the Company's results of operations as follows (dollars in thousands, except per share amounts):

	Three Months Ended March 31,
	2012			2011
Share-based compensation expense recognized:
General and administrative, restricted stock units	$	981		$	972
Related deferred income tax benefit		(391	)		(387	)
Decrease in net income	$	590		$	585
Decrease in basic earnings per share	$	0.02		$	0.02
Decrease in diluted earnings per share	$	0.02		$	0.02

Stock option activity

The following is a summary of stock option activity:

	Three Months Ended March 31, 2012
	Number of Options			Weighted Average Exercise Price
Outstanding, December 31, 2011		259,150		$	15.80
Options exercised		(6,875	)	$	12.17
Outstanding, March 31, 2012		252,275		$	15.89
Exercisable, March 31, 2012		252,275		$	15.89

Restricted stock units activity

The following is a summary of Unit activity:

	Three Months Ended March 31, 2012
	Number of Units			Weighted Average Grant Fair Value
Non-vested Units at December 31, 2011		362,727		$	31.43
Granted		91,504			31.10
Forfeited		(12,384	)		31.71
Vested		(80,483	)		30.71
Non-vested Units at March 31, 2012		361,364		$	31.49

Stock options outstanding and exercisable by price range

The following table summarizes information regarding options outstanding and options exercisable at March 31, 2012:

		Outstanding and Exercisable
Range of Grant Prices		Number of Options		Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Aggregate Intrinsic Value (000s)
	$2.98 - $4.58		51,975		0.44	$	3.43	$	1,514
	$16.89 - $18.80		113,950		1.59	$	17.06	$	1,766
	$21.46 - $22.67		86,350		2.37	$	21.86	$	924
			252,275		1.62	$	15.89	$	4,204

Restricted stock units outstanding by price range

The following table summarizes information regarding Units outstanding at March 31, 2012:

		Outstanding
Range of Grant Prices		Number of Units		Average Remaining Contractual Life (Years)		Weighted Average Grant Fair Value
	$16.53 - $28.10		149,069		2.02	$	21.02
	$30.99 - $39.43		128,075		3.79	$	33.98
	$40.73 - $45.70		79,000		2.94	$	44.66
	$66.35 - $81.18		5,220		0.22	$	70.42
			361,364		2.82	$	31.49