Rule of thumb: If a dimension is added to a fact and the value does not change then do not add the dimension. This report model and report is XBRL valid and the use of dimensions is appropriate. appropriate-dimensions/instance.xml appropriate-dimensions/report.xsd appropriate-dimensions/report-lab.xml appropriate-dimensions/report-ref.xml appropriate-dimensions/report-pre.xml appropriate-dimensions/report-cal.xml appropriate-dimensions/report-def.xml appropriate-dimensions/report-for.xml