General form of registration statement for all companies including face-amount certificate companies

Summary of Significant Accounting Policies - Cost of Revenue (Details)

v3.21.2
Summary of Significant Accounting Policies - Cost of Revenue (Details)
6 Months Ended 12 Months Ended
Jun. 30, 2021
Dec. 31, 2020
Property, Plant and Equipment [Line Items]    
Standard warranty period 12 months 12 months
Equipment on lease    
Property, Plant and Equipment [Line Items]    
Useful life 5 years 5 years