Condensed Consolidated Statement of Stockholders' Equity (Parenthetical) (USD $) In Thousands, unless otherwise specified	9 Months Ended
Sep. 30, 2012
Exercise of options, income tax expense	$ 270
Restricted share grants, settled shares	129

Tax benefit associated with any equity-based compensation plan other than an employee stock ownership plan (ESOP). The tax benefit results from the deduction by the entity on its tax return for an award of stock that exceeds the cumulative compensation cost for common stock or preferred stock recognized for financial reporting. Includes any resulting tax benefit that exceeds the previously recognized deferred tax asset (excess tax benefits).

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Number of shares related to Restricted Stock Award forfeited during the period.

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