XML 34 R92.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Employee Benefit Plan (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Retirement Benefits [Abstract]      
Employee contribution to retirement saving plan as a percentage of annual salary, maximum 60.00%    
Matching contributions made by the entity during the period $ 3,355 $ 2,833 $ 2,212
Percentage of company's matching contributions of first 3 percent of employee's compensation 100.00%    
Percentage of employee's compensation that qualifies for 100 percent matching contribution by the company 3.00%    
Maximum percentage of the company's matching contributions of next 2 percent of employee's compensation 50.00%    
Percentage of employee's compensation that qualifies for 50 percent matching contribution by the company 2.00%