Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Performance Obligation (Details)

v3.20.1
Summary of Significant Accounting Policies - Performance Obligation (Details)
Mar. 31, 2020
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2020-04-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Customer contract term 2 years
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis]: 2022-04-01  
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items]  
Customer contract term 2 years