Earnings Per Common Share (Details 1) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Weighted-average shares outstanding - Basic:
Common stock	32,125	32,194	32,129	32,293
Participating restricted stock		1		34
Total	32,125	32,195	32,129	32,327
Weighted-average shares outstanding - Diluted:
Common stock	32,439	32,309	32,483	32,435
Participating restricted stock		1		34
Total	32,439	32,310	32,483	32,469

This element represents nonvested share-based payment awards that contain non-forfeitable rights to dividends or dividend equivalents (whether paid or unpaid). Basic and dilutive earnings per share are generally disclosed for such shares using the two-class method.

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+ Details

- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References+ Details

- Definition

Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

+ References

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+ Details