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Discontinued Operations (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 14, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]        
Net income from discontinued operations   $ 0 $ 0 $ 31,700
Discontinued Operations, Disposed of by Sale | Tubular Sales Segment        
Disposal Group, Including Discontinued Operation, Income Statement Disclosures [Abstract]        
Revenues     7,554  
Income from discontinued operations     3,036  
Gain on sale of discontinued operations $ 39,600   39,629  
Income from discontinued operations before income taxes     42,665  
Income tax expense     30  
Net income from discontinued operations     $ 42,635  
Disposal Group, Including Discontinued Operation, Balance Sheet Disclosures [Abstract]        
Accounts receivable, net 1,968      
Inventory 4,905      
Prepaid and other current assets 53      
Property, plant and equipment 2,260      
Goodwill 1,497      
Total assets 10,683      
Total liabilities $ 312