def METHOD_NAME(self):
    try:
        return self._htmURLs
    except AttributeError:
        self._htmURLs = [
            (instDocElt.get(self.edgrDescription),instDocElt.get(self.edgrUrl))
              for instDocElt in XmlUtil.descendants(self, self.edgr, "xbrlFile")
                if instDocElt.get(self.edgrFile).endswith(".htm")]
        return self._htmURLs