XML 28 R49.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Revenue - Narrative (Details)
12 Months Ended
Dec. 31, 2019
Minimum  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Contract payment terms 30 days
Maximum  
Revenue, Initial Application Period Cumulative Effect Transition [Line Items]  
Contract payment terms 60 days
Remaining performance obligation expected timing of satisfaction 1 year