Restructuring (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Restructuring Cost and Reserve [Line Items]
Reduction in global workforce, percent	10.00%
Severance costs	$ 1,429
Cost of revenue
Restructuring Cost and Reserve [Line Items]
Severance costs	238
Sales and marketing
Restructuring Cost and Reserve [Line Items]
Severance costs	369
Research and development
Restructuring Cost and Reserve [Line Items]
Severance costs	142
General and administrative
Restructuring Cost and Reserve [Line Items]
Severance costs	560
Other (expense) income, net
Restructuring Cost and Reserve [Line Items]
Severance costs	$ 120