Quarterly report pursuant to Section 13 or 15(d)

Discontinued Operations (Narrative) (Details)

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Discontinued Operations (Narrative) (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Oct. 07, 2015
Jun. 30, 2016
Mar. 31, 2016
Jun. 30, 2016
Dec. 31, 2015
Jul. 23, 2014
Gregory Mountain Products, Inc. [Member]            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Disposal Group, Including Discontinued Operation, Consideration           $ 84,135
POC [Member]            
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]            
Disposal Group, Including Discontinued Operation, Consideration $ 63,639          
Discontinued Operation, Transaction Fees 2,946          
Cash sold 739          
Proceeds from Divestiture of Interest in Consolidated Subsidiaries $ 60,693          
Working capital adjustment     $ 921      
Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax         $ 8,436  
Transition services   $ 79   $ 324