XML 53 R37.htm IDEA: XBRL DOCUMENT v3.20.4
Summary of Significant Accounting Policies - Revenue Recognition (Details)
12 Months Ended
Dec. 31, 2020
Minimum  
Disaggregation of Revenue [Line Items]  
Standard payment terms per agreements (in days) 30 days
Maximum  
Disaggregation of Revenue [Line Items]  
Standard payment terms per agreements (in days) 90 days