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Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2012

Earnings Per Share [Abstract]

Computation of basic and diluted earnings per share

The following table sets forth the computation of basic and diluted earnings per share:

Year Ended December 31		2012				2011				2010
Numerator:
Net income (in thousands)		$	44,862			$	38,827			$	33,034
Denominator:
Basic earnings per share:
Weighted average shares			15,466,274				15,313,081				15,233,858
Diluted earnings per share:
Dilutive effect of equity grants			54,243				51,112				24,936
Adjusted weighted average shares			15,520,517				15,364,193				15,258,794
Earnings per share:
Basic earnings per share		$	2.90			$	2.54			$	2.17
Diluted earnings per share			2.89				2.53				2.16

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations.

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