XML 69 R43.htm IDEA: XBRL DOCUMENT v3.20.4
Summary of Significant Accounting Policies:Vendor Rebates and Allowances (Details) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Accounting Policies [Abstract]    
Vendor Rebates and Allowances $ 9.9 $ 9.2