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Long-Term Obligations - Schedule of Long-term Debt (Detail) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Debt Instrument [Line Items]    
Long-term debt $ 85,951 $ 0
Less current portion 36,781 0
Long-term debt non current 49,170 0
Note Payable Collaterized by Asset [Member]
   
Debt Instrument [Line Items]    
Long-term debt 70,314 0
Note Payable Collaterized by Schuff's Real Estate [Member]
   
Debt Instrument [Line Items]    
Long-term debt 4,948 0
Note Payable Collaterized by Schuff's Asset under Revolving Line of Credit Agreement [Member]
   
Debt Instrument [Line Items]    
Long-term debt $ 10,689 $ 0