ARELLE-178: provide separate US-BPG-1.7.1 messages per unused concept delcaration
ARELLE-178: provide separate US-BPG-1.7.1 messages per unused concept delcaration

sternshus/Arelle,sternshus/Arelle,sternshus/Arelle,sternshus/Arelle,sternshus/Arelle