Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Revenue, Expected Timing of Performance Obligation (Details)

v3.19.3
Summary of Significant Accounting Policies - Revenue, Expected Timing of Performance Obligation (Details)
$ in Thousands
Sep. 30, 2019
USD ($)
Accounting Policies [Abstract]  
Remaining performance obligation $ 7,956
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2019-10-01  
Accounting Policies [Abstract]  
Percent of revenue expected to be recognized over next 12 months 41.00%
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Remaining performance obligation, expected timing 12 months