XML 78 R50.htm IDEA: XBRL DOCUMENT v3.20.4
Significant Accounting Policies - Additional Information (Detail 1) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2021-01-01
$ in Millions
Dec. 31, 2020
USD ($)
Significant Accounting Policies [Line Items]  
Aggregate amount of transaction price allocated to remaining performance obligations $ 21.1
Expected time to recognize revenue for remaining performance obligation 33 months