{"iri":"http://fasb.org/us-gaap/2026#InterestOnlyStripMember","label":"Interest-Only-Strip [Member]","definition":"Tranche of a securitization that entitles the holder to receive some or all of the interest collected on the underlying mortgages comprising the securitization; a significant risk is prepayment speed greater than the assumption upon which purchase price was based.","license":"https://accountingfoundation.org/page/pageContent?pageId=/Termsofuse/Termsofuse.html","source":"gaap","source_url":"http://fasb.org/us-gaap/2026#InterestOnlyStripMember"}