XML 49 R38.htm IDEA: XBRL DOCUMENT v3.19.2
Revenue - Additional Information (Details 1)
Jun. 30, 2019
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2019-07-01  
Disaggregation Of Revenue [Line Items]  
Remaining performance obligations, percentage 69.00%
Remaning performance obligations, expected satisfaction period 12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2020-07-01  
Disaggregation Of Revenue [Line Items]  
Remaining performance obligations, percentage 31.00%
Remaning performance obligations, expected satisfaction period 12 months