Quarterly report pursuant to Section 13 or 15(d)

Discontinuing Operations - Additional Information (Details)

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Discontinuing Operations - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Discontinuing Operations | Convertible Note    
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Interest expense, debt $ 657 $ 1,400