XML 59 R49.htm IDEA: XBRL DOCUMENT v3.20.2
Revenue - Additional information (Details)
$ in Thousands
Sep. 30, 2020
USD ($)
Revenue from Contract with Customer [Abstract]  
Revenue remaining performance obligation $ 235,190
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2021-10-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction  
Revenue remaining performance obligation (percentage) 20.60%
Revenue, remaining performance obligation, expected timing of satisfaction, period 3 months