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Earnings Per Share Computation of Basic Earnings per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Earnings Per Share [Abstract]        
Income from continuing operations, net of tax $ 6,276 $ 7,409 $ 9,534 $ 4,182
Weighted-average number of common shares outstanding (in shares) 10,784 13,114 10,782 13,055
Income from continuing operations, net of tax, per share (in dollars per share) $ 0.58 $ 0.56 $ 0.88 $ 0.32
Net (loss) income from discontinued operations $ (147) $ 3,667 $ 89,938 $ 6,524
Discontinued operations, net of tax, per share (in dollars shares) $ (0.01) $ 0.28 $ 8.35 $ 0.50
Net income $ 6,129 $ 11,076 $ 99,472 $ 10,706
Net income per common share (in dollars per share) $ 0.57 $ 0.84 $ 9.23 $ 0.82