Quarterly report pursuant to Section 13 or 15(d)

ASC 606 Revenue Recognition and Significant Accounting Policies Disclosures - Performance Obligation Narrative (Details)

v3.19.3
ASC 606 Revenue Recognition and Significant Accounting Policies Disclosures - Performance Obligation Narrative (Details)
$ in Millions
Sep. 30, 2019
USD ($)
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]  
Remaining performance obligation $ 48.3
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2019-10-01  
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]  
Remaining performance obligation $ 43.9
Remaining performance obligation, expected timing of satisfaction, period 12 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2020-10-01  
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]  
Remaining performance obligation $ 4.4
Remaining performance obligation, expected timing of satisfaction, period