XML 45 R45.htm IDEA: XBRL DOCUMENT v3.20.1
Revenue - Additional Information (Details 1)
$ in Millions
Mar. 31, 2020
USD ($)
Revenue Initial Application Period Cumulative Effect Transition [Line Items]  
Additional contractual obligations $ 39.4
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2020-04-01  
Revenue Initial Application Period Cumulative Effect Transition [Line Items]  
Additional contractual obligations $ 39.0
Revenue expected to be recognized with remaining amount 12 months