XML 52 R40.htm IDEA: XBRL DOCUMENT v3.20.2
Revenue - Narrative (Details)
Sep. 30, 2020
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01 | Maximum  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Remaining performance obligation expected timing of satisfaction 1 year