Income Tax Benefit (Expense) - Additional Information (Detail Textuals) - USD ($) $ in Thousands  | 
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2015  | 
Sep. 30, 2014  | 
Sep. 30, 2015  | 
Sep. 30, 2014  | 
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| Income Tax Disclosure [Abstract] | ||||
| Income tax benefit (expense) | $ (3,528) | $ (2,502) | $ (6,931) | $ 3,761 | 
| Benefit for non-recurring benefit associated | $ 5,300 | $ 5,300 | ||
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- References No definition available. 
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition The amount of the unrecognized tax benefit of a position taken for which it is reasonably possible that the total amount thereof will significantly increase or decrease within twelve months of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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