Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Additional Information (Details)

v3.21.2
Significant Accounting Policies - Additional Information (Details)
9 Months Ended
Sep. 30, 2021
Segment
Number of operating segments 1
Minimum [Member]  
Regular warranty service contracts term 12 months
Maximum [Member]  
Extended warranty service contracts term 60 months
Capitalized contract cost amortization period 1 year