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Earnings Per Common Share (EPS) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2013 | Jun. 30, 2012 | Jun. 30, 2013 | Jun. 30, 2012
Earnings Per Share, Basic and Diluted [Abstract] |  |  |  |
Net Income. Basic EPS | $ 3,752 | $ 6,095 | $ 4,423 | $ 11,843
Shares, Basic EPS | 42,562 | 42,048 | 42,541 | 42,028
Per Share Amount, Basic EPS | $ 0.09 | $ 0.14 | $ 0.10 | $ 0.28
Shares, Effect of dilutive stock options and warrants | 108 | 421 | 212 | 429
Net Income, Diluted EPS | $ 3,752 | $ 6,095 | $ 4,423 | $ 11,843
Shares, Diluted EPS | 42,670 | 42,469 | 42,753 | 42,457
Per Share Amount, Diluted EPS | $ 0.09 | $ 0.14 | $ 0.10 | $ 0.28
Stock options excluded from the calculation of common stock equivalents as the impact was anti-dilutive | 2,821 | 1,658 | 2,258 | 1,641

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