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Basis of Presentation - Schedule of Condensed Consolidated Statement of Operations (Detail) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 6 Months Ended
Jun. 30, 2014
Mar. 31, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Loss from continuing operations $ 3,182 $ (1,211) $ 5,547 $ 1,971 $ 16,523
Income tax expense (benefit) from discontinued operations 5 (3,852) 8 (3,847) (683)
Loss on discontinued operations 10 (10,893) 14 (10,883) (1,456)
Net Loss 3,192 (12,104) 5,561 (8,912) 15,067
Basic loss per share - discontinued operations   $ (1.14)   $ (1.15) $ (0.15)
Basic loss per share - total $ 0.34 $ (1.27) $ 0.59 $ (0.94) $ 1.60
Diluted loss per share - discontinued operations   $ (1.14)   $ (1.14) $ (0.15)
Diluted loss per share - total $ 0.33 $ (1.27) $ 0.59 $ (0.93) $ 1.59
As Previously Reported [Member]
          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Loss from continuing operations   (1,211)      
Income tax expense (benefit) from discontinued operations   (6,066)      
Loss on discontinued operations   (8,679)      
Net Loss   (9,890)      
Basic loss per share - discontinued operations   $ (0.91)      
Basic loss per share - total   $ (1.04)      
Diluted loss per share - discontinued operations   $ (0.91)      
Diluted loss per share - total   $ (1.04)      
Adjustment [Member]
          
New Accounting Pronouncements or Change in Accounting Principle [Line Items]          
Loss from continuing operations           
Income tax expense (benefit) from discontinued operations   2,214      
Loss on discontinued operations   (2,214)      
Net Loss   $ (2,214)      
Basic loss per share - discontinued operations   $ (0.23)      
Basic loss per share - total   $ (0.23)      
Diluted loss per share - discontinued operations   $ (0.23)      
Diluted loss per share - total   $ (0.23)