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Earnings per Common Share (Details) - Schedule of earnings per common share - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Earnings per common share: |  |  |  |
Net income available to common stockholders | $ 7,659 | $ 10,859 | $ 19,499 | $ 21,164
Earnings allocated to participating securities | 24 |  | 64 | 64
Income attributable to common stock | $ 7,683 | $ 10,859 | $ 19,563 | $ 21,228
Weighted average common shares outstanding, including participating securities | 32,008 | 30,129 | 31,991 | 30,082
Weighted average participating securities | (102) | (112) | (105) | (91)
Weighted average common shares outstanding | 31,906 | 30,017 | 31,886 | 29,991
Incremental shares from assumed conversions of options, performance units and restricted shares | 350 | 355 | 347 | 340
Weighted average common and equivalent shares outstanding | 32,256 | 30,372 | 32,233 | 30,331
Earnings per common share: |  |  |  |
Basic | $ 0.24 | $ 0.36 | $ 0.61 | $ 0.71
Diluted | $ 0.24 | $ 0.36 | $ 0.60 | $ 0.70

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