XML 100 R59.htm IDEA: XBRL DOCUMENT v3.22.1
Revenue recognition - Remaining Performance Obligation (Details)
Mar. 31, 2022
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-04-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Revenue, remaining performance obligation, expected timing of satisfaction, period 24 months