 | de-gaap-ci:is.netIncome.regular.operatingTC.otherOpRevenue.specialPurpose.liabilityRemuneration | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases |
 | de-gaap-ci:is.netIncome.regular.operatingTC.otherOpRevenue.specialPurpose.rent | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases |
 | de-gaap-ci:is.netIncome.regular.operatingTC.otherOpRevenue.specialPurpose.services | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases |
 | de-gaap-ci:is.netIncome.regular.operatingTC.otherOpRevenue.specialPurpose.pension | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases |
 | de-gaap-ci:is.netIncome.regular.operatingTC.otherOpRevenue.specialPurpose.interest | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases |
 | de-gaap-ci:is.netIncome.regular.operatingTC.otherOpRevenue.specialPurpose.other | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases |
 | de-gaap-ci:is.netIncome.regular.operatingTC.otherOpRevenue.specialPurpose.shipManagement | parent-child | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCases |
 | de-gaap-ci:is.netIncome.regular.operatingTC.otherOpRevenue.specialPurpose.liabilityRemuneration | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableIncomeStatementForProfitOrganisationsAndUtilities |
 | de-gaap-ci:is.netIncome.regular.operatingTC.otherOpRevenue.specialPurpose.rent | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableIncomeStatementForProfitOrganisationsAndUtilities |
 | de-gaap-ci:is.netIncome.regular.operatingTC.otherOpRevenue.specialPurpose.services | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableIncomeStatementForProfitOrganisationsAndUtilities |
 | de-gaap-ci:is.netIncome.regular.operatingTC.otherOpRevenue.specialPurpose.pension | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableIncomeStatementForProfitOrganisationsAndUtilities |
 | de-gaap-ci:is.netIncome.regular.operatingTC.otherOpRevenue.specialPurpose.interest | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableIncomeStatementForProfitOrganisationsAndUtilities |
 | de-gaap-ci:is.netIncome.regular.operatingTC.otherOpRevenue.specialPurpose.other | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableIncomeStatementForProfitOrganisationsAndUtilities |
 | de-gaap-ci:is.netIncome.regular.operatingTC.otherOpRevenue.specialPurpose.shipManagement | domain-member | http://www.xbrl.de/taxonomies/de-gaap-ci/role/determinationOfTaxableIncomeSpecialCasesTableIncomeStatementForProfitOrganisationsAndUtilities |