rj-dim:InvestmentsFixedIncomeSecuritiesByDurationAxis kvk-abstr:RiskSectionInvestmentsFixedIncomeSecuritiesPortfolioCompositionByDurationSpecificationTitle urn:kvk:linkrole:notes-risk-section-investments-fixed-income-securities-portfolio-composition-by-duration-specification-pension-funds http://www.xbrl.org/2003/arcrole/parent-child descendant