Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Tax reconciliation disclosures
Loss before income taxes	$ (8,251)	$ (15,420)	$ (8,550)	$ (33,759)
Income tax expense (benefit)	51	145	319	336
Domestic
Tax reconciliation disclosures
Income tax expense (benefit)	$ 100	$ 100	200	100
Foreign tax
Tax reconciliation disclosures
Income tax expense (benefit)			$ 100	$ 200