{"iri":"http://fasb.org/us-gaap/2026#InternalInvestmentGradeMember","label":"Internal Investment Grade [Member]","definition":"Credit rating classification developed by the entity in which the probability of default is low and full and timely repayments are expected.","license":"https://accountingfoundation.org/page/pageContent?pageId=/Termsofuse/Termsofuse.html","source":"gaap","source_url":"http://fasb.org/us-gaap/2026#InternalInvestmentGradeMember"}