XML 22 R78.htm IDEA: XBRL DOCUMENT v2.4.1.9
Employee Benefit Plans (Schedule of Expected Future Benefits Payable) (Details) (USD $)
Dec. 31, 2014
2015 $ 1,842,000us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
2016 2,065,000us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
2017 2,305,000us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
2018 2,649,000us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
2019 2,822,000us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
2020-2024 18,649,000us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
Supplemental Executive Retirement Plan [Member]  
2015 236,000us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= cass_SupplementalExecutiveRetirementPlanMember
2016 244,000us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= cass_SupplementalExecutiveRetirementPlanMember
2017 258,000us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= cass_SupplementalExecutiveRetirementPlanMember
2018 324,000us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= cass_SupplementalExecutiveRetirementPlanMember
2019 323,000us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= cass_SupplementalExecutiveRetirementPlanMember
2020-2024 $ 2,852,000us-gaap_DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter
/ us-gaap_DefinedBenefitPlansDisclosuresDefinedBenefitPlansAxis
= cass_SupplementalExecutiveRetirementPlanMember