Quarterly report pursuant to Section 13 or 15(d)

Nature Of Operations And Summary Of Significant Accounting Policies (Details)

v3.5.0.2
Nature Of Operations And Summary Of Significant Accounting Policies (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Oct. 07, 2015
Jul. 23, 2014
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]              
Income tax receivable $ 706   $ 706   $ 749    
Other long-term liabilities 388   388   1,812    
Income tax expense (benefit) 679 $ 49,958 1,020 $ 47,651      
Allowance for doubtful accounts $ 390   $ 390   184    
Carryback Limitations of Net Operating Losses and Tax Credits [Member]              
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]              
Income tax receivable         (1,801)    
Other long-term liabilities         $ (230)    
Income tax expense (benefit)   $ 1,571   $ 1,571      
Gregory Mountain Products, Inc. [Member]              
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]              
Disposal Group, Including Discontinued Operation, Consideration             $ 84,135
POC [Member]              
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]              
Disposal Group, Including Discontinued Operation, Consideration           $ 63,639