• Filing Date: 2020-03-06
  • Form Type: 10-K
  • Description: Annual report
v3.19.3.a.u2
Employee Benefit Plan - Additional Information (Detail)
12 Months Ended
Dec. 31, 2019
USD ($)
Plan
Dec. 31, 2018
USD ($)
Dec. 31, 2017
USD ($)
US Employees [Member]      
Employee Benefit Plan [Line Items]      
Maximum percentage of employee contribution 100.00%    
Company contribution in the plan $ 638,000 $ 536,000 $ 560,000
US Employees [Member] | Deferred Profit Sharing [Member]      
Employee Benefit Plan [Line Items]      
Company contribution in the plan $ 0    
US Employees [Member] | Maximum [Member]      
Employee Benefit Plan [Line Items]      
Maximum percentage of employer contribution 4.00%    
India Employees [Member]      
Employee Benefit Plan [Line Items]      
Employment benefit accrued $ 89,000 72,000  
Matching contribution, number of defined contribution plans | Plan 2    
Defined benefit plan amount recognized $ 17,000 $ 14,000 $ 17,000