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Description of Business Narrative (Details) - USD ($)
$ in Thousands
May 13, 2019
Jun. 30, 2019
Jun. 04, 2019
Discontinued Operations, Disposed of by Sale | Videotel      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Cash proceeds $ 89,387    
Accrued estimated working capital adjustment liability   $ 300  
Oakley | Bridge Loan      
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]      
Interest rate 5.00%   12.00%