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Divestiture (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Jan. 06, 2017
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Long Lived Assets Held-for-sale [Line Items]        
Long-lived assets   $ 0    
Non-cash loss on assets held for sale   11,000    
Proceeds from the sale of facility and related business lines $ 12,500 12,457 $ 0  
Outside professional fees related to anticipated divestiture   $ 100   $ 700
Selling, General and Administrative Expenses [Member]        
Long Lived Assets Held-for-sale [Line Items]        
Impairment charges       $ 10,800