Quarterly report pursuant to Section 13 or 15(d)

Restructuring Costs - Additional Information (Details)

v3.20.1
Restructuring Costs - Additional Information (Details)
$ in Thousands
 1 Months Ended 3 Months Ended 12 Months Ended
Feb. 29, 2020
Mar. 31, 2020
USD ($)
Dec. 31, 2019
Employee
Dec. 31, 2018
Employee
Restructuring Cost And Reserve [Line Items]        
Number of employees and contractors | Employee     500 700
Percentage of reduction in employees 10.00%      
Restructuring costs   $ 1,204    
Operating Expenses        
Restructuring Cost And Reserve [Line Items]        
Restructuring costs   1,100    
Cost of revenues        
Restructuring Cost And Reserve [Line Items]        
Restructuring costs   $ 10