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Discontinued Operations - Revenue, Expense, Gain, and Losses Attributable to Discontinued Operations (Details) (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Jul. 16, 2015
Sep. 30, 2015
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Impairment charge from classification of assets as held for sale     $ 0 $ (586) $ 0
Gain (loss) on disposal, net of associated transaction costs of $764   $ (73)      
Services Business | Discontinued Operations Disposed of by Sale          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Total revenue     0 7,408 17,768
Cost of revenue     0 (7,296) (15,446)
Research and development     0 (860) 0
Selling, general, and administrative     0 0 48
Gain on insurance recovery     0 0 165
Severance and exit costs     0 (2,114) 0
Impairment charge from classification of assets as held for sale     0 (1,350) 0
Gain (loss) on disposal, net of associated transaction costs of $764 $ (73)   0 (73) 0
Income tax expense     0 0 (1,166)
Loss (income) from discontinued operations, net of income tax expense     $ 0 (4,285) $ 1,369
Selling costs $ 764 $ 764   $ 764