$CASS
CASS INFORMATION SYSTEMS INC Stock $cass

$cass Overview Financials Valuation SEC Filings Company Website

2016 Q1 Form 10-K Financial Statement

#000120677416004815 Filed on March 07, 2016

Income Statement

Concept	2016 Q1	2015 Q4	2015 Q3
Revenue	$30.28M	$9.774M	$30.60M
YoY Change	1.63%	-2.46%	3.33%
Cost Of Revenue	$510.0K	$500.0K	$500.0K
YoY Change	-13.56%	-16.67%	-16.67%
Gross Profit	$29.77M	$29.46M	$30.60M
YoY Change	-0.07%	-0.41%	3.34%
Gross Profit Margin	98.32%	301.41%	100.01%
Selling, General & Admin	$19.74M	$19.60M	$19.70M
YoY Change	2.65%	4.26%	8.0%
% of Gross Profit	66.31%	66.53%	64.38%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$2.310M	$2.380M	$2.270M
YoY Change	11.06%	11.21%	14.07%
% of Gross Profit	7.76%	8.08%	7.42%
Operating Expenses	$21.92M	$21.35M	$22.63M
YoY Change	-1.75%	-2.47%	6.75%
Operating Profit	$7.850M	$8.110M	$7.970M
YoY Change	4.95%	5.46%	-5.23%
Interest Expense		$501.0K	$498.0K
YoY Change		-16.92%	-17.55%
% of Operating Profit		6.18%	6.25%
Other Income/Expense, Net
YoY Change
Pretax Income	$7.850M	$8.110M	$7.963M
YoY Change	4.88%	5.46%	-5.36%
Income Tax	$2.020M	$2.017M	$2.083M
% Of Pretax Income	25.73%	24.87%	26.16%
Net Earnings	$5.830M	$6.089M	$5.880M
YoY Change	5.25%	5.24%	-8.14%
Net Earnings / Revenue	19.25%	62.3%	19.22%
Basic Earnings Per Share		$0.54	$0.52
Diluted Earnings Per Share	$387.9K	$0.53	$0.51
COMMON SHARES
Basic Shares Outstanding	11.29M shares		11.33M shares
Diluted Shares Outstanding			11.49M shares

Balance Sheet

Concept	2016 Q1	2015 Q4	2015 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$134.7M	$185.4M	$140.7M
YoY Change	-24.07%	-12.67%	-4.74%
Cash & Equivalents	$134.7M	$253.2M	$226.1M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets	$134.7M	$185.4M	$140.7M
YoY Change	-24.07%	-12.67%	-4.74%
LONG-TERM ASSETS
Property, Plant & Equipment	$19.90M	$19.65M	$19.00M
YoY Change	11.69%	16.2%	18.95%
Goodwill		$11.59M	$11.59M
YoY Change		0.0%
Intangibles		$2.405M	$2.507M
YoY Change		-12.93%	-13.04%
Long-Term Investments	$383.8M	$443.4M	$448.5M
YoY Change	8.51%	1.19%	4.11%
Other Assets
YoY Change
Total Long-Term Assets	$1.242B	$1.270B	$1.293B
YoY Change	1.55%	-1.42%	-0.74%
TOTAL ASSETS
Total Short-Term Assets	$134.7M	$185.4M	$140.7M
Total Long-Term Assets	$1.242B	$1.270B	$1.293B
Total Assets	$1.377B	$1.456B	$1.434B
YoY Change	-1.7%	-3.01%	-1.15%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$536.7M	$577.3M	$625.2M
YoY Change	-3.61%	-11.92%	-3.17%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt	$421.6M	$464.7M	$404.5M
YoY Change	-7.24%	1.2%	-30.9%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$1.143B	$1.224B	$1.203B
YoY Change	-2.5%	-3.91%	-2.32%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$25.40M	$24.40M	$31.40M
YoY Change	-11.5%	-8.61%	155.28%
Total Long-Term Liabilities	$25.40M	$24.40M	$31.40M
YoY Change	-11.5%	-8.61%	155.28%
TOTAL LIABILITIES
Total Short-Term Liabilities	$1.143B	$1.224B	$1.203B
Total Long-Term Liabilities	$25.40M	$24.40M	$31.40M
Total Liabilities	$1.168B	$1.248B	$1.234B
YoY Change	-2.71%	-4.01%	-0.75%
SHAREHOLDERS EQUITY
Retained Earnings		$104.0M	$100.4M
YoY Change		14.74%	15.05%
Common Stock		$132.3M	$131.9M
YoY Change		0.09%	-0.17%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$22.21M	$21.12M
YoY Change		74.77%	77.73%
Treasury Stock Shares		598.9K shares	578.2K shares
Shareholders Equity	$209.0M	$207.4M	$199.4M
YoY Change
Total Liabilities & Shareholders Equity	$1.377B	$1.456B	$1.434B
YoY Change	-1.7%	-3.01%	-1.15%

Cashflow Statement

Concept	2016 Q1	2015 Q4	2015 Q3
OPERATING ACTIVITIES
Net Income	$5.830M	$6.089M	$5.880M
YoY Change	5.25%	5.24%	-8.14%
Depreciation, Depletion And Amortization	$2.310M	$2.380M	$2.270M
YoY Change	11.06%	11.21%	14.07%
Cash From Operating Activities	$7.160M	$7.680M	$8.790M
YoY Change	-27.68%	20.19%	-10.76%
INVESTING ACTIVITIES
Capital Expenditures	-$1.080M	-$1.430M	-$940.0K
YoY Change	-166.5%	-11.18%	-45.66%
Acquisitions
YoY Change
Other Investing Activities	-$25.90M	$3.530M	$2.530M
YoY Change	-282.65%	-70.71%	-106.07%
Cash From Investing Activities	-$26.98M	$2.100M	$1.590M
YoY Change	-314.81%	-79.87%	-103.67%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-88.01M	17.30M	57.09M
YoY Change	-18.72%	-55.46%	-36.9%
NET CHANGE
Cash From Operating Activities	7.160M	7.680M	8.790M
Cash From Investing Activities	-26.98M	2.100M	1.590M
Cash From Financing Activities	-88.01M	17.30M	57.09M
Net Change In Cash	-107.8M	27.08M	67.47M
YoY Change	25.65%	-51.35%	18.47%
FREE CASH FLOW
Cash From Operating Activities	$7.160M	$7.680M	$8.790M
Capital Expenditures	-$1.080M	-$1.430M	-$940.0K
Free Cash Flow	$8.240M	$9.110M	$9.730M
YoY Change	-0.43%	13.87%	-15.98%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2015Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	9015000	USD
CY2015Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	176405000	USD
CY2015Q4	us-gaap	Goodwill Goodwill	11590000	USD
CY2015Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1284676000	USD
CY2015Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	375696000	USD
CY2015Q4	us-gaap	Accounts Receivable Fair Value Disclosure AccountsReceivableFairValueDisclosure	6647000	USD
CY2015Q4	cass	Assets Carrying Amount AssetsCarryingAmount	1282935000	USD
CY2015Q4	cass	Federal Funds Sold And Other Short Term Investments FederalFundsSoldAndOtherShortTermInvestments	67752000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	11635000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	647420000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	253172000	USD
CY2015Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	375696000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	659055000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	19648000	USD
CY2015Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	15933000	USD
CY2015Q4	cass	Payments In Excess Of Funding PaymentsInExcessOfFunding	105526000	USD
CY2015Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	2405000	USD
CY2015Q4	us-gaap	Other Assets OtherAssets	24116000	USD
CY2015Q4	us-gaap	Assets Assets	1455506000	USD
CY2015Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	181823000	USD
CY2015Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	464661000	USD
CY2015Q4	us-gaap	Deposits Deposits	646484000	USD
CY2015Q4	us-gaap	Accounts Payable And Accrued Liabilities Noncurrent AccountsPayableAndAccruedLiabilitiesNoncurrent	577259000	USD
CY2015Q4	us-gaap	Other Liabilities OtherLiabilities	24385000	USD
CY2015Q4	us-gaap	Liabilities Liabilities	1248128000	USD
CY2015Q4	us-gaap	Preferred Stock Value PreferredStockValue		USD
CY2015Q4	us-gaap	Common Stock Value CommonStockValue	5966000	USD
CY2015Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	126290000	USD
CY2015Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	103994000	USD
CY2015Q4	us-gaap	Treasury Stock Value TreasuryStockValue	22208000	USD
CY2015Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-6664000	USD
CY2015Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.50
CY2015Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	2000000	shares
CY2015Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.50
CY2015Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	40000000	shares
CY2015Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	11931147	shares
CY2015Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	598875	shares
CY2015Q4	us-gaap	Stockholders Equity StockholdersEquity	207378000	USD
CY2015Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1455506000	USD
CY2015Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2015Q4	cass	Percentage Holding Required To Account Investments Non Marketable Equity Investments PercentageHoldingRequiredToAccountInvestmentsNonMarketableEquityInvestments	0.20	pure
CY2015Q4	us-gaap	Retained Earnings Unappropriated RetainedEarningsUnappropriated	24208000	USD
CY2015Q4	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions1 AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1	5	pure
CY2015Q4	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Greater Than Or Equal To One Year AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsGreaterThanOrEqualToOneYear	1	pure
CY2015Q4	cass	Proceeds From Purchase Of State And Political Subdivisions ProceedsFromPurchaseOfStateAndPoliticalSubdivisions	5443000	USD
CY2015Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	3750000	USD
CY2015Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	363157000	USD
CY2015Q4	cass	Available For Sale Securities Gross Unrealized Gain Accumulated In Aoci AvailableForSaleSecuritiesGrossUnrealizedGainAccumulatedInAoci	-12552000	USD
CY2015Q4	cass	Available For Sale Securities Gross Unrealized Loss Accumulated In Aoci AvailableForSaleSecuritiesGrossUnrealizedLossAccumulatedInAoci	-13000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	3638000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	5000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	1208000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	8000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	4846000	USD
CY2015Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	13000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	30621000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	30951000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	76500000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	79205000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	139680000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	145780000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	116356000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	119760000	USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateAmortizedCost		USD
CY2015Q4	us-gaap	Available For Sale Securities Debt Maturities Without Single Maturity Date Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithoutSingleMaturityDateFairValue		USD
CY2015Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	363157000	USD
CY2015Q4	cass	Available For Sale Securities In Unrealized Loss Positions Qualitative Disclosure Percentage AvailableForSaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosurePercentage	0.01	pure
CY2015Q4	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	659055000	USD
CY2015Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	44109000	USD
CY2015Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	24461000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	1336000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	1346000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	1107000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	845000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	814000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	1423000	USD
CY2015Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	6871000	USD
CY2015Q4	us-gaap	Goodwill Gross GoodwillGross	11817000	USD
CY2015Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	227000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	408000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	356000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	16817000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	2822000	USD
CY2015Q4	us-gaap	Demand Deposit Accounts DemandDepositAccounts	386203000	USD
CY2015Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	16758000	USD
CY2015Q4	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	4758000	USD
CY2015Q4	cass	Time Deposits100000 Or More And Less Than250000 TimeDeposits100000OrMoreAndLessThan250000	43178000	USD
CY2015Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	55350000	USD
CY2015Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year One TimeDepositsWeightedAverageInterestRateMaturitiesYearOne	0.897	pure
CY2015Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	2690000	USD
CY2015Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Two TimeDepositsWeightedAverageInterestRateMaturitiesYearTwo	0.044	pure
CY2015Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	1566000	USD
CY2015Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Three TimeDepositsWeightedAverageInterestRateMaturitiesYearThree	0.025	pure
CY2015Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	83000	USD
CY2015Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Four TimeDepositsWeightedAverageInterestRateMaturitiesYearFour	0.001	pure
CY2015Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	2011000	USD
CY2015Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Five TimeDepositsWeightedAverageInterestRateMaturitiesYearFive	0.033	pure
CY2015Q4	us-gaap	Time Deposits TimeDeposits	61700000	USD
CY2015Q4	cass	Time Deposits Weighted Average Interest Rate Aggregate TimeDepositsWeightedAverageInterestRateAggregate	1.000	pure
CY2015Q4	us-gaap	Shares Outstanding SharesOutstanding	11332272	shares
CY2015Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	78369000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	71174000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-7195000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Next Twelve Months DefinedBenefitPlanExpectedFutureBenefitPaymentsNextTwelveMonths	2064000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Two DefinedBenefitPlanExpectedFutureBenefitPaymentsYearTwo	2302000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Three DefinedBenefitPlanExpectedFutureBenefitPaymentsYearThree	2630000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Four DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFour	2799000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Year Five DefinedBenefitPlanExpectedFutureBenefitPaymentsYearFive	3023000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Expected Future Benefit Payments Five Fiscal Years Thereafter DefinedBenefitPlanExpectedFutureBenefitPaymentsFiveFiscalYearsThereafter	20160000	USD
CY2015Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0450	pure
CY2015Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	1500000	shares
CY2015Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	1142000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Impaired Nonperforming Accrual Of Interest LoansAndLeasesReceivableImpairedNonperformingAccrualOfInterest	0	USD
CY2015Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment		USD
CY2015Q4	us-gaap	Loans And Leases Receivable Impaired Nonperforming Nonaccrual Of Interest LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest	3135000	USD
CY2015Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered		USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	861000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	54000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	4251000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	8438000	USD
CY2015Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	212000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	1690000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	553000	USD
CY2015	cass	Interest Expense Time Deposits250000 Or More InterestExpenseTimeDeposits250000OrMore	189000	USD
CY2015	us-gaap	Noninterest Expense NoninterestExpense	89783000	USD
CY2015	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7978000	USD
CY2015Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	253172000	USD
CY2015Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	649161000	USD
CY2015Q4	us-gaap	Interest Receivable InterestReceivable	6647000	USD
CY2015Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	2405000	USD
CY2015Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	3135000	USD
CY2015Q4	cass	Time Deposits250000 Or More TimeDeposits250000OrMore	13764000	USD
CY2015Q4	cass	Weighted Average Interest Rate Of Interest Bearing Deposits WeightedAverageInterestRateOfInterestBearingDeposits	0.0051	pure
CY2015Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease	0.0325	pure
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	356000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	356000	USD
CY2015Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	356000	USD
CY2015	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	262	shares
CY2015Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	15144000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2081000	USD
CY2015Q4	cass	Deferred Tax Liabilities Pension Costs DeferredTaxLiabilitiesPensionCosts	4181000	USD
CY2015Q4	cass	Deferred Tax Liabilities Stock Compensation DeferredTaxLiabilitiesStockCompensation	510000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Other Finite Lived Assets DeferredTaxLiabilitiesOtherFiniteLivedAssets	1314000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	4658000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	452000	USD
CY2015Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	13196000	USD
CY2015Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	1948000	USD
CY2015Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1194000	USD
CY2015Q4	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	646892000	USD
CY2015Q4	cass	Accounts And Drafts Payable AccountsAndDraftsPayable	577259000	USD
CY2015Q4	cass	Accounts And Drafts Payable Fair Value Disclosure AccountsAndDraftsPayableFairValueDisclosure	577259000	USD
CY2015Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	35000	USD
CY2015Q4	us-gaap	Accrued Liabilities Fair Value Disclosure AccruedLiabilitiesFairValueDisclosure	35000	USD
CY2015Q4	cass	Liabilities Carrying Value LiabilitiesCarryingValue	1223778000	USD
CY2015Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	1224186000	USD
CY2015	us-gaap	Net Income Loss NetIncomeLoss	23056000	USD
CY2015	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.03
CY2015	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.00
CY2015	cass	Unrecognized Tax Benefits Decreases Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesIncreasesResultingFromPriorPeriodTaxPositions	10000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	277000	USD
CY2015	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2015	cass	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations Over12 Months UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitationsOver12Months	374000	USD
CY2015	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	6825000	USD
CY2015	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1290000	USD
CY2015	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-84000	USD
CY2015	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-53000	USD
CY2015	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	10862000	USD
CY2015	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	3704000	USD
CY2015	cass	Income Recognized On Nonaccrual Loans Under Original Terms Of Contract IncomeRecognizedOnNonaccrualLoansUnderOriginalTermsOfContract	390000	USD
CY2015	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	3188000	USD
CY2015	us-gaap	Defined Benefit Plan Benefits Paid DefinedBenefitPlanBenefitsPaid	1588000	USD
CY2015	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	3178000	USD
CY2015	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-8358000	USD
CY2015	dei	Entity Central Index Key EntityCentralIndexKey	0000708781
CY2015	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2015
CY2015	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2015	dei	Document Type DocumentType	10-K
CY2015	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-850000	USD
CY2015	us-gaap	Share Based Compensation ShareBasedCompensation	2059000	USD
CY2015	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	4550000	USD
CY2015	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	99347000	USD
CY2015	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	38460000	USD
CY2015	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-10882000	USD
CY2015	cass	Increase Decrease In Payments In Excess Of Funding IncreaseDecreaseInPaymentsInExcessOfFunding	-14701000	USD
CY2015	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	5747000	USD
CY2015	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-3636000	USD
CY2015	cass	Increase Decrease In Non Interest Bearing Demand Deposits IncreaseDecreaseInNonInterestBearingDemandDeposits	22824000	USD
CY2015	us-gaap	Increase Decrease In Demand Deposits IncreaseDecreaseInDemandDeposits	23536000	USD
CY2015	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-18075000	USD
CY2015	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	-78169000	USD
CY2015	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	9697000	USD
CY2015	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-488000	USD
CY2015	us-gaap	Noninterest Income NoninterestIncome	83368000	USD
CY2015	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	38710000	USD
CY2015	us-gaap	Interest Expense InterestExpense	2111000	USD
CY2015	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	36599000	USD
CY2015	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	31034000	USD
CY2015	cass	Fee Revenue And Other Income Revenue From Customers FeeRevenueAndOtherIncomeRevenueFromCustomers	83368000	USD
CY2015	cass	Fee Revenue And Other Income Intersegment Income Expense FeeRevenueAndOtherIncomeIntersegmentIncomeExpense		USD
CY2015	cass	Income From Customers After Provision For Loan Loss IncomeFromCustomersAfterProvisionForLoanLoss	37449000	USD
CY2015	cass	Intersegment Income Expense After Provision For Loan Loss IntersegmentIncomeExpenseAfterProvisionForLoanLoss		USD
CY2015	us-gaap	Depreciation And Amortization DepreciationAndAmortization	3416000	USD
CY2015	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities		USD
CY2015	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	210000	USD
CY2015	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	804000	USD
CY2015	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	16000	USD
CY2015	cass	Increase Decrease In Accrued Interest Resulting From Settlements With Taxing Authorities And Other Prior Year Adjustments IncreaseDecreaseInAccruedInterestResultingFromSettlementsWithTaxingAuthoritiesAndOtherPriorYearAdjustments	9000	USD
CY2015	cass	Income Recognized On Nonaccrual Loans IncomeRecognizedOnNonaccrualLoans	34000	USD
CY2015	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	2268000	USD
CY2015	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	1954000	USD
CY2015	us-gaap	Professional Fees ProfessionalFees	1690000	USD
CY2015	cass	Outside Service Fees OutsideServiceFees	2848000	USD
CY2015	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	357000	USD
CY2015	us-gaap	Communication Communication	1068000	USD
CY2015	us-gaap	Other Expenses OtherExpenses	1185000	USD
CY2015	us-gaap	Other Noninterest Expense OtherNoninterestExpense	11370000	USD
CY2015	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	-210000	USD
CY2015	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer		USD
CY2015	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	623000	USD
CY2014	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	6291000	USD
CY2015	dei	Trading Symbol TradingSymbol	cass
CY2015	cass	Information Services Payment And Processing Revenue InformationServicesPaymentAndProcessingRevenue	78622000	USD
CY2015	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0675	pure
CY2015	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0400	pure
CY2015	cass	Expected Long Term Rate Return ExpectedLongTermRateReturn	0.0675	pure
CY2015	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	159819	shares
CY2015	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11518428	shares
CY2015	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	3795000	USD
CY2015	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11358609	shares
CY2015	us-gaap	Stock Issued During Period Shares Restricted Stock Award Gross StockIssuedDuringPeriodSharesRestrictedStockAwardGross	26542	shares
CY2015	cass	Share Based Compensation Arrangement By Share Based Payment Award Options And Stock Appreciation Rights Exercises In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsExercisesInPeriod	12154	shares
CY2015	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	7675	shares
CY2015	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	216412	shares
CY2015	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	65000	USD
CY2015	us-gaap	Interest Expense Time Deposits Less Than100000 InterestExpenseTimeDepositsLessThan100000	346000	USD
CY2015	cass	Interest Expense Time Deposits100000 Or More And Less Than250000 InterestExpenseTimeDeposits100000OrMoreAndLessThan250000	119000	USD
CY2015	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2111000	USD
CY2015	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	1392000	USD
CY2015	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-71020000	USD
CY2015	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-41163000	USD
CY2015	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-137000	USD
CY2015	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	47000	USD
CY2015	us-gaap	Equipment Expense EquipmentExpense	4291000	USD
CY2015	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	1387000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	2967000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	567000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	2910000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	1081000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-6256000	USD
CY2015	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-2324000	USD
CY2015	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-96000	USD
CY2015	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	408000	USD
CY2015	us-gaap	Depreciation Depreciation	3008000	USD
CY2015	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	30000	USD
CY2015	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	621000	USD
CY2015	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-850000	USD
CY2015	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
CY2015	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	2910000	USD
CY2015	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2015	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2015	dei	Entity Registrant Name EntityRegistrantName	CASS INFORMATION SYSTEMS INC
CY2015	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	28669000	USD
CY2015	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	38000	USD
CY2015	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	9460000	USD
CY2015	cass	Interest On Federal Funds Sold And Other Short Term Investments InterestOnFederalFundsSoldAndOtherShortTermInvestments	543000	USD
CY2015	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	37449000	USD
CY2015	us-gaap	Revenues Revenues	120817000	USD
CY2015	us-gaap	Labor And Related Expense LaborAndRelatedExpense	70314000	USD
CY2015	us-gaap	Occupancy Net OccupancyNet	3400000	USD
CY2015	dei	Amendment Flag AmendmentFlag	false
CY2015	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2015	dei	Document Period End Date DocumentPeriodEndDate	2015-12-31
CY2015	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2015	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2015	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	10591000	USD
CY2015	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.85
CY2015	us-gaap	Stock Issued During Period Shares Share Based Compensation Gross StockIssuedDuringPeriodSharesShareBasedCompensationGross	42786	shares
CY2015	us-gaap	Stock Issued During Period Shares Purchase Of Assets StockIssuedDuringPeriodSharesPurchaseOfAssets	216412	shares
CY2015	us-gaap	Use Of Estimates UseOfEstimates	<div id='EdgarSAA123457890000' style="font-family : 'Times New Roman';"> <p align="justify"><b><i><font style="font-family: Times New Roman;" size="2">Use of Estimates </font></i></b><font style="font-family: Times New Roman;" size="2">In preparing the consolidated financial statements, Company management is required to make estimates and assumptions which significantly affect the reported amounts in the consolidated financial statements.</font></p> <p align="justify"> </p></div>
CY2015	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	-1181000	USD
CY2015	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	33493000	USD
CY2015	us-gaap	Noninterest Income Other NoninterestIncomeOther	613000	USD
CY2015	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	26023000	USD
CY2015	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	8859000	USD
CY2015	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	2910000	USD
CY2015	us-gaap	Revenue Recognition Sales Of Services RevenueRecognitionSalesOfServices	<div id='EdgarSAA123457890000' style="font-family : 'Times New Roman';"> <p align="justify"><b><i><font style="font-family: Times New Roman;" size="2">Information Services Revenue</font></i></b><font style="font-family: Times New Roman;" size="2"> A majority of the Company's revenues are attributable to fees for providing services. These services include transportation invoice rating, payment processing, auditing, and the generation of accounting and transportation information. The Company also processes, pays and generates management information from electric, gas, telecommunications, environmental, and other invoices. The specific payment and information processing services provided to each customer are developed individually to meet each customer's specific requirements. The Company enters into service agreements with customers typically for fixed fees per transaction that are invoiced monthly. Revenues are recognized in the period services are rendered and earned under the service agreements, as long as collection is reasonably assured.</font></p> <p align="justify"> </p></div>
CY2015	us-gaap	Fees And Commissions FeesAndCommissions	1223000	USD
CY2015	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2058000	USD
CY2015	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	1527000	USD
CY2014Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	2000000	shares
CY2015	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	161279000	USD
CY2015	us-gaap	Interest Paid Net InterestPaidNet	2133000	USD
CY2015	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	8190000	USD
CY2015	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	10951000	USD
CY2015	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	9697000	USD
CY2015	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-453000	USD
CY2015	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	394000	USD
CY2014Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.50
CY2014Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	1500731000	USD
CY2014Q4	us-gaap	Stockholders Equity StockholdersEquity	200432000	USD
CY2014Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	428572	shares
CY2014Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	11931147	shares
CY2014Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	40000000	shares
CY2014Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.50
CY2014Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2014Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-9631000	USD
CY2014Q4	us-gaap	Treasury Stock Value TreasuryStockValue	12707000	USD
CY2014Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	90635000	USD
CY2014Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	126169000	USD
CY2014Q4	us-gaap	Common Stock Value CommonStockValue	5966000	USD
CY2014Q4	us-gaap	Preferred Stock Value PreferredStockValue		USD
CY2014Q4	us-gaap	Liabilities Liabilities	1300299000	USD
CY2014Q4	us-gaap	Other Liabilities OtherLiabilities	26672000	USD
CY2014Q4	us-gaap	Accounts Payable And Accrued Liabilities Noncurrent AccountsPayableAndAccruedLiabilitiesNoncurrent	655428000	USD
CY2014Q4	us-gaap	Deposits Deposits	618199000	USD
CY2014Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	459200000	USD
CY2014Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	158999000	USD
CY2014Q4	us-gaap	Assets Assets	1500731000	USD
CY2014Q4	us-gaap	Other Assets OtherAssets	25886000	USD
CY2014Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	2762000	USD
CY2014Q4	us-gaap	Goodwill Goodwill	11590000	USD
CY2014Q4	cass	Payments In Excess Of Funding PaymentsInExcessOfFunding	120227000	USD
CY2014Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	15429000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	16909000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	657452000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	11894000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	669346000	USD
CY2014Q4	us-gaap	Available For Sale Securities AvailableForSaleSecurities	356141000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	294335000	USD
CY2014Q4	cass	Federal Funds Sold And Other Short Term Investments FederalFundsSoldAndOtherShortTermInvestments	82062000	USD
CY2014Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	200966000	USD
CY2014Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	11307000	USD
CY2014Q4	us-gaap	Available For Sale Securities Pledged As Collateral AvailableForSaleSecuritiesPledgedAsCollateral	3750000	USD
CY2014Q4	cass	Proceeds From Purchase Of State And Political Subdivisions ProceedsFromPurchaseOfStateAndPoliticalSubdivisions	5085000	USD
CY2014Q4	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions1 AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions1	20	pure
CY2014Q4	us-gaap	Availableforsale Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions Greater Than Or Equal To One Year AvailableforsaleSecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositionsGreaterThanOrEqualToOneYear	12	pure
CY2014Q4	us-gaap	Available For Sale Securities Amortized Cost AvailableForSaleSecuritiesAmortizedCost	342219000	USD
CY2014Q4	cass	Available For Sale Securities Gross Unrealized Gain Accumulated In Aoci AvailableForSaleSecuritiesGrossUnrealizedGainAccumulatedInAoci	-14120000	USD
CY2014Q4	cass	Available For Sale Securities Gross Unrealized Loss Accumulated In Aoci AvailableForSaleSecuritiesGrossUnrealizedLossAccumulatedInAoci	-198000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	8700000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	15000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	13833000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	183000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Fair Value AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue	22533000	USD
CY2014Q4	us-gaap	Available For Sale Securities Continuous Unrealized Loss Position Accumulated Loss AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	198000	USD
CY2014Q4	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	669346000	USD
CY2014Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	39089000	USD
CY2014Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	22180000	USD
CY2014Q4	us-gaap	Goodwill Gross GoodwillGross	11817000	USD
CY2014Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	227000	USD
CY2014Q4	us-gaap	Time Deposits TimeDeposits	79775000	USD
CY2014Q4	cass	Time Deposits Weighted Average Interest Rate Aggregate TimeDepositsWeightedAverageInterestRateAggregate	1.000	pure
CY2014Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	182000	USD
CY2014Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Five TimeDepositsWeightedAverageInterestRateMaturitiesYearFive	0.002	pure
CY2014Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	1250000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	16768000	USD
CY2014Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	2416000	USD
CY2014Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	24914000	USD
CY2014Q4	us-gaap	Demand Deposit Accounts DemandDepositAccounts	354511000	USD
CY2014Q4	cass	Time Deposits100000 Or More And Less Than250000 TimeDeposits100000OrMoreAndLessThan250000	57284000	USD
CY2014Q4	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	6956000	USD
CY2014Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	10759000	USD
CY2014Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Two TimeDepositsWeightedAverageInterestRateMaturitiesYearTwo	0.135	pure
CY2014Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	66436000	USD
CY2014Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year One TimeDepositsWeightedAverageInterestRateMaturitiesYearOne	0.833	pure
CY2014Q4	us-gaap	Shares Outstanding SharesOutstanding	11502575	shares
CY2014Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Four TimeDepositsWeightedAverageInterestRateMaturitiesYearFour	0.016	pure
CY2014Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	1148000	USD
CY2014Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Three TimeDepositsWeightedAverageInterestRateMaturitiesYearThree	0.014	pure
CY2014Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	81342000	USD
CY2014Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-8370000	USD
CY2014Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	72972000	USD
CY2014Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0400	pure
CY2014Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease	0.0325	pure
CY2014Q4	us-gaap	Loans And Leases Receivable Impaired Nonperforming Nonaccrual Of Interest LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest	488000	USD
CY2014Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	127000	USD
CY2014Q4	us-gaap	Loans And Leases Receivable Net Reported Amount Covered And Not Covered LoansAndLeasesReceivableNetReportedAmountCoveredAndNotCovered		USD
CY2014Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment		USD
CY2014Q4	us-gaap	Loans And Leases Receivable Impaired Nonperforming Accrual Of Interest LoansAndLeasesReceivableImpairedNonperformingAccrualOfInterest	0	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	819000	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	45000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	4441000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	509000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	1392000	USD
CY2014Q4	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	255000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	10887000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	13738000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	407000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Unrealized Gains On Trading Securities DeferredTaxLiabilitiesUnrealizedGainsOnTradingSecurities	5172000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Other Finite Lived Assets DeferredTaxLiabilitiesOtherFiniteLivedAssets	1153000	USD
CY2014Q4	cass	Deferred Tax Liabilities Stock Compensation DeferredTaxLiabilitiesStockCompensation	394000	USD
CY2014Q4	cass	Deferred Tax Liabilities Pension Costs DeferredTaxLiabilitiesPensionCosts	5636000	USD
CY2014Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	976000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	17484000	USD
CY2014Q4	us-gaap	Cash And Cash Equivalents Fair Value Disclosure CashAndCashEquivalentsFairValueDisclosure	294335000	USD
CY2014Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	356141000	USD
CY2014Q4	us-gaap	Loans Receivable Fair Value Disclosure LoansReceivableFairValueDisclosure	663247000	USD
CY2014Q4	us-gaap	Interest Receivable InterestReceivable	6521000	USD
CY2014Q4	us-gaap	Accounts Receivable Fair Value Disclosure AccountsReceivableFairValueDisclosure	6521000	USD
CY2014Q4	cass	Assets Carrying Amount AssetsCarryingAmount	1314449000	USD
CY2014Q4	us-gaap	Assets Fair Value Disclosure AssetsFairValueDisclosure	1320244000	USD
CY2014Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	3746000	USD
CY2014Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1117000	USD
CY2014Q4	cass	Liabilities Carrying Value LiabilitiesCarryingValue	1273684000	USD
CY2014Q4	us-gaap	Liabilities Fair Value Disclosure LiabilitiesFairValueDisclosure	1273684000	USD
CY2014Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	57000	USD
CY2014Q4	us-gaap	Accrued Liabilities Fair Value Disclosure AccruedLiabilitiesFairValueDisclosure	57000	USD
CY2014Q4	cass	Accounts And Drafts Payable AccountsAndDraftsPayable	655428000	USD
CY2014Q4	cass	Accounts And Drafts Payable Fair Value Disclosure AccountsAndDraftsPayableFairValueDisclosure	655428000	USD
CY2014Q4	us-gaap	Deposits Fair Value Disclosure DepositsFairValueDisclosure	618199000	USD
CY2014Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	2762000	USD
CY2014Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	488000	USD
CY2014Q4	cass	Weighted Average Interest Rate Of Interest Bearing Deposits WeightedAverageInterestRateOfInterestBearingDeposits	0.0058	pure
CY2014Q4	cass	Time Deposits250000 Or More TimeDeposits250000OrMore	15535000	USD
CY2014	cass	Interest Expense Time Deposits250000 Or More InterestExpenseTimeDeposits250000OrMore	202000	USD
CY2014	us-gaap	Noninterest Income NoninterestIncome	79907000	USD
CY2014	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	39759000	USD
CY2014	us-gaap	Interest Expense InterestExpense	2460000	USD
CY2014	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	37299000	USD
CY2014	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed		USD
CY2014	us-gaap	Noninterest Expense NoninterestExpense	85414000	USD
CY2014	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7759000	USD
CY2014	us-gaap	Net Income Loss NetIncomeLoss	24033000	USD
CY2014	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.06
CY2014	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.09
CY2014	cass	Fee Revenue And Other Income Revenue From Customers FeeRevenueAndOtherIncomeRevenueFromCustomers	79907000	USD
CY2014	cass	Fee Revenue And Other Income Intersegment Income Expense FeeRevenueAndOtherIncomeIntersegmentIncomeExpense		USD
CY2014	cass	Income From Customers After Provision For Loan Loss IncomeFromCustomersAfterProvisionForLoanLoss	37299000	USD
CY2014	cass	Intersegment Income Expense After Provision For Loan Loss IntersegmentIncomeExpenseAfterProvisionForLoanLoss		USD
CY2014	us-gaap	Depreciation And Amortization DepreciationAndAmortization	3096000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	251000	USD
CY2014	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities		USD
CY2014	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	267000	USD
CY2014	cass	Unrecognized Tax Benefits Decreases Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesIncreasesResultingFromPriorPeriodTaxPositions	-107000	USD
CY2014	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2014	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-223000	USD
CY2014	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	751000	USD
CY2014	cass	Increase Decrease In Accrued Interest Resulting From Settlements With Taxing Authorities And Other Prior Year Adjustments IncreaseDecreaseInAccruedInterestResultingFromSettlementsWithTaxingAuthoritiesAndOtherPriorYearAdjustments	4000	USD
CY2014	cass	Income Recognized On Nonaccrual Loans IncomeRecognizedOnNonaccrualLoans	77000	USD
CY2014	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	3896000	USD
CY2014	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	11127000	USD
CY2014	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-36000	USD
CY2014	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-585000	USD
CY2014	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1191000	USD
CY2014	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	7189000	USD
CY2014	cass	Income Recognized On Nonaccrual Loans Under Original Terms Of Contract IncomeRecognizedOnNonaccrualLoansUnderOriginalTermsOfContract	108000	USD
CY2014	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	1262000	USD
CY2014	us-gaap	Defined Benefit Plan Benefits Paid DefinedBenefitPlanBenefitsPaid	1486000	USD
CY2014	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	584000	USD
CY2014	us-gaap	Other Noninterest Expense OtherNoninterestExpense	11529000	USD
CY2014	us-gaap	Other Expenses OtherExpenses	1647000	USD
CY2014	us-gaap	Communication Communication	1045000	USD
CY2014	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	338000	USD
CY2014	cass	Outside Service Fees OutsideServiceFees	2876000	USD
CY2014	us-gaap	Professional Fees ProfessionalFees	1566000	USD
CY2014	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	2049000	USD
CY2014	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	2008000	USD
CY2014	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0675	pure
CY2014	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0500	pure
CY2014	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	0.0375	pure
CY2014	us-gaap	Depreciation Depreciation	2613000	USD
CY2014	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	18340000	USD
CY2014	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	587000	USD
CY2014	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer		USD
CY2014	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	3831000	USD
CY2014	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	13349000	USD
CY2014	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	3037000	USD
CY2014	us-gaap	Defined Benefit Plan Service Cost DefinedBenefitPlanServiceCost	3003000	USD
CY2014	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11643979	shares
CY2014	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	164954	shares
CY2014	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11479025	shares
CY2014	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2460000	USD
CY2014	cass	Interest Expense Time Deposits100000 Or More And Less Than250000 InterestExpenseTimeDeposits100000OrMoreAndLessThan250000	135000	USD
CY2014	us-gaap	Interest Expense Time Deposits Less Than100000 InterestExpenseTimeDepositsLessThan100000	472000	USD
CY2014	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	87000	USD
CY2014	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	1564000	USD
CY2014	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	1405000	USD
CY2014	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	0	USD
CY2014	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	23000	USD
CY2014	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.81
CY2014	us-gaap	Stock Issued During Period Shares Share Based Compensation Gross StockIssuedDuringPeriodSharesShareBasedCompensationGross	22629	shares
CY2014	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1848000	USD
CY2014	us-gaap	Stock Issued During Period Shares Purchase Of Assets StockIssuedDuringPeriodSharesPurchaseOfAssets	39502	shares
CY2014	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	8476000	USD
CY2014	us-gaap	Interest Paid Net InterestPaidNet	2491000	USD
CY2014	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	1848000	USD
CY2014	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	9337000	USD
CY2014	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-632000	USD
CY2014	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	181000	USD
CY2014	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2041000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4071000	USD
CY2014	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	69073000	USD
CY2014	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	135179000	USD
CY2014	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-814000	USD
CY2014	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	9337000	USD
CY2014	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	111475000	USD
CY2014	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-19221000	USD
CY2014	us-gaap	Increase Decrease In Demand Deposits IncreaseDecreaseInDemandDeposits	39766000	USD
CY2014	cass	Increase Decrease In Non Interest Bearing Demand Deposits IncreaseDecreaseInNonInterestBearingDemandDeposits	15158000	USD
CY2014	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-100949000	USD
CY2014	cass	Increase Decrease In Payments In Excess Of Funding IncreaseDecreaseInPaymentsInExcessOfFunding	42577000	USD
CY2014	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	16954000	USD
CY2014	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	54054000	USD
CY2014	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	34843000	USD
CY2014	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	-1026000	USD
CY2014	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	2282000	USD
CY2014	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-24000	USD
CY2014	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-621000	USD
CY2014	us-gaap	Share Based Compensation ShareBasedCompensation	2041000	USD
CY2014	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	23000	USD
CY2014	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	8181000	USD
CY2014	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	19962000	USD
CY2014	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-104000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	5432000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	14621000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	8000	USD
CY2014	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	23000	USD
CY2014Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.56
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	3096000	USD
CY2014	cass	Information Services Payment And Processing Revenue InformationServicesPaymentAndProcessingRevenue	77427000	USD
CY2014	us-gaap	Noninterest Income Other NoninterestIncomeOther	1325000	USD
CY2014	us-gaap	Fees And Commissions FeesAndCommissions	1132000	USD
CY2014	cass	Interest On Federal Funds Sold And Other Short Term Investments InterestOnFederalFundsSoldAndOtherShortTermInvestments	592000	USD
CY2014	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	9412000	USD
CY2014	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	29000	USD
CY2014	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	29726000	USD
CY2014	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	8333000	USD
CY2014	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	31792000	USD
CY2014	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	483000	USD
CY2014	us-gaap	Equipment Expense EquipmentExpense	4130000	USD
CY2014	us-gaap	Occupancy Net OccupancyNet	3172000	USD
CY2014	us-gaap	Labor And Related Expense LaborAndRelatedExpense	66100000	USD
CY2014	us-gaap	Revenues Revenues	117206000	USD
CY2014	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	37299000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	1976000	USD
CY2012Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1885000	USD
CY2012Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	141088000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	174015000	USD
CY2014Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.50
CY2014Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.51
CY2014Q1	us-gaap	Net Income Loss NetIncomeLoss	5811000	USD
CY2014Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1886000	USD
CY2014Q1	us-gaap	Noninterest Expense NoninterestExpense	21025000	USD
CY2014Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed		USD
CY2014Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	9147000	USD
CY2014Q1	us-gaap	Interest Expense InterestExpense	625000	USD
CY2014Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	9772000	USD
CY2014Q1	us-gaap	Noninterest Income NoninterestIncome	19575000	USD
CY2014Q2	us-gaap	Noninterest Income NoninterestIncome	19952000	USD
CY2014Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	9975000	USD
CY2014Q2	us-gaap	Interest Expense InterestExpense	628000	USD
CY2014Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	9347000	USD
CY2014Q2	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed		USD
CY2014Q2	us-gaap	Noninterest Expense NoninterestExpense	21306000	USD
CY2014Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1958000	USD
CY2014Q2	us-gaap	Net Income Loss NetIncomeLoss	6035000	USD
CY2014Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.52
CY2014Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2014Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.55
CY2014Q3	us-gaap	Net Income Loss NetIncomeLoss	6401000	USD
CY2014Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2013000	USD
CY2014Q3	us-gaap	Noninterest Expense NoninterestExpense	21196000	USD
CY2014Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed		USD
CY2014Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	9387000	USD
CY2014Q3	us-gaap	Interest Expense InterestExpense	604000	USD
CY2014Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	9991000	USD
CY2014Q3	us-gaap	Noninterest Income NoninterestIncome	20223000	USD
CY2014Q4	us-gaap	Noninterest Income NoninterestIncome	20157000	USD
CY2014Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	10021000	USD
CY2014Q4	us-gaap	Interest Expense InterestExpense	603000	USD
CY2014Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	9418000	USD
CY2014Q4	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed		USD
CY2014Q4	us-gaap	Noninterest Expense NoninterestExpense	21887000	USD
CY2014Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1902000	USD
CY2014Q4	us-gaap	Net Income Loss NetIncomeLoss	5786000	USD
CY2014Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.50
CY2014Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.49
CY2015Q4	us-gaap	Net Income Loss NetIncomeLoss	6089000	USD
CY2015Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.54
CY2015Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	9083000	USD
CY2015Q3	us-gaap	Interest Expense InterestExpense	498000	USD
CY2015Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	9581000	USD
CY2015Q3	us-gaap	Noninterest Income NoninterestIncome	21514000	USD
CY2015Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.51
CY2015Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.52
CY2015Q3	us-gaap	Net Income Loss NetIncomeLoss	5880000	USD
CY2015Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2083000	USD
CY2015Q3	us-gaap	Noninterest Expense NoninterestExpense	22634000	USD
CY2015Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed		USD
CY2015Q4	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-850000	USD
CY2015Q4	us-gaap	Noninterest Expense NoninterestExpense	22201000	USD
CY2015Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2017000	USD
CY2015Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.53
CY2015Q4	us-gaap	Noninterest Income NoninterestIncome	20184000	USD
CY2015Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	9774000	USD
CY2015Q4	us-gaap	Interest Expense InterestExpense	501000	USD
CY2015Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	9273000	USD
CY2015Q1	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed		USD
CY2015Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	8961000	USD
CY2015Q1	us-gaap	Interest Expense InterestExpense	591000	USD
CY2015Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	9552000	USD
CY2015Q1	us-gaap	Noninterest Income NoninterestIncome	20832000	USD
CY2015Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
CY2015Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.48
CY2015Q1	us-gaap	Net Income Loss NetIncomeLoss	5539000	USD
CY2015Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1946000	USD
CY2015Q1	us-gaap	Noninterest Expense NoninterestExpense	22308000	USD
CY2015Q2	us-gaap	Noninterest Expense NoninterestExpense	22640000	USD
CY2015Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1932000	USD
CY2015Q2	us-gaap	Net Income Loss NetIncomeLoss	5548000	USD
CY2015Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.49
CY2015Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
CY2015Q2	us-gaap	Noninterest Income NoninterestIncome	20838000	USD
CY2015Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	9803000	USD
CY2015Q2	us-gaap	Interest Expense InterestExpense	521000	USD
CY2015Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	9282000	USD
CY2015Q2	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed		USD
CY2013	cass	Fee Revenue And Other Income Intersegment Income Expense FeeRevenueAndOtherIncomeIntersegmentIncomeExpense		USD
CY2013	cass	Fee Revenue And Other Income Revenue From Customers FeeRevenueAndOtherIncomeRevenueFromCustomers	76572000	USD
CY2013	cass	Income From Customers After Provision For Loan Loss IncomeFromCustomersAfterProvisionForLoanLoss	38245000	USD
CY2013	cass	Intersegment Income Expense After Provision For Loan Loss IntersegmentIncomeExpenseAfterProvisionForLoanLoss		USD
CY2013	us-gaap	Depreciation And Amortization DepreciationAndAmortization	2896000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7234000	USD
CY2013	us-gaap	Net Income Loss NetIncomeLoss	23497000	USD
CY2013	cass	Interest Expense Time Deposits250000 Or More InterestExpenseTimeDeposits250000OrMore	212000	USD
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.35	pure
CY2013	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	271000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities		USD
CY2013	us-gaap	Unrecognized Tax Benefits Reductions Resulting From Lapse Of Applicable Statute Of Limitations UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations	385000	USD
CY2013	cass	Unrecognized Tax Benefits Decreases Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesIncreasesResultingFromPriorPeriodTaxPositions	-666000	USD
CY2013	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	374000	USD
CY2013	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	303000	USD
CY2013	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-528000	USD
CY2013	cass	Income Recognized On Nonaccrual Loans IncomeRecognizedOnNonaccrualLoans	131000	USD
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	6729000	USD
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	448000	USD
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	39000	USD
CY2013	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	18000	USD
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	10756000	USD
CY2013	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	3297000	USD
CY2013	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	1381000	USD
CY2013	cass	Income Recognized On Nonaccrual Loans Under Original Terms Of Contract IncomeRecognizedOnNonaccrualLoansUnderOriginalTermsOfContract	180000	USD
CY2013	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	591000	USD
CY2013	us-gaap	Other Expenses OtherExpenses	1347000	USD
CY2013	us-gaap	Other Noninterest Expense OtherNoninterestExpense	11145000	USD
CY2013	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	2024000	USD
CY2013	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	2066000	USD
CY2013	us-gaap	Professional Fees ProfessionalFees	1340000	USD
CY2013	cass	Outside Service Fees OutsideServiceFees	3046000	USD
CY2013	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	367000	USD
CY2013	us-gaap	Communication Communication	955000	USD
CY2013	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	535000	USD
CY2013	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	1737000	USD
CY2013	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	138000	USD
CY2013	us-gaap	Interest Expense Time Deposits Less Than100000 InterestExpenseTimeDepositsLessThan100000	600000	USD
CY2013	cass	Interest Expense Time Deposits100000 Or More And Less Than250000 InterestExpenseTimeDeposits100000OrMoreAndLessThan250000	145000	USD
CY2013	us-gaap	Interest Expense Deposits InterestExpenseDeposits	2832000	USD
CY2013	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	199581	shares
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	11640739	shares
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.02
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	11441158	shares
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.05
CY2013	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Expected Long Term Return On Assets DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermReturnOnAssets	0.0725	pure
CY2013	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostRateOfCompensationIncrease	0.0375	pure
CY2013	us-gaap	Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostDiscountRate	0.0425	pure
CY2013	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.74
CY2013	us-gaap	Stock Issued During Period Shares Share Based Compensation Gross StockIssuedDuringPeriodSharesShareBasedCompensationGross	30407	shares
CY2013	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	1222000	USD
CY2013	us-gaap	Depreciation Depreciation	2361000	USD
CY2013	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	4295000	USD
CY2013	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock		USD
CY2013	us-gaap	Interest Paid Net InterestPaidNet	2855000	USD
CY2013	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	8265000	USD
CY2013	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	8510000	USD
CY2013	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-247000	USD
CY2013	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	836000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1975000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	533000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-3993000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	4024000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	1408000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-5823000	USD
CY2013	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	53000	USD
CY2013	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	24030000	USD
CY2013	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	7346000	USD
CY2013	us-gaap	Gain Loss On Sale Of Securities Net GainLossOnSaleOfSecuritiesNet	4024000	USD
CY2013	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	500000	USD
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	1975000	USD
CY2013	us-gaap	Occupancy Net OccupancyNet	2874000	USD
CY2013	us-gaap	Equipment Expense EquipmentExpense	3810000	USD
CY2013	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-15674000	USD
CY2013	us-gaap	Noninterest Expense NoninterestExpense	84086000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	30731000	USD
CY2013	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-10748000	USD
CY2013	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	32110000	USD
CY2013	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	48000	USD
CY2013	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	8867000	USD
CY2013	cass	Interest On Federal Funds Sold And Other Short Term Investments InterestOnFederalFundsSoldAndOtherShortTermInvestments	552000	USD
CY2013	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	41577000	USD
CY2013	us-gaap	Interest Expense InterestExpense	2832000	USD
CY2013	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	38745000	USD
CY2013	us-gaap	Fees And Commissions FeesAndCommissions	1215000	USD
CY2013	us-gaap	Noninterest Income Other NoninterestIncomeOther	528000	USD
CY2013	us-gaap	Noninterest Income NoninterestIncome	76572000	USD
CY2013	cass	Information Services Payment And Processing Revenue InformationServicesPaymentAndProcessingRevenue	70805000	USD
CY2013Q4	us-gaap	Goodwill Goodwill	11590000	USD
CY2013Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	3222000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	57000	USD
CY2013	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-964000	USD
CY2013	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	2822000	USD
CY2013	us-gaap	Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities	-2323000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	28886000	USD
CY2013	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	95742000	USD
CY2013	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	18117000	USD
CY2013	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	104351000	USD
CY2013	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-34378000	USD
CY2013	cass	Increase Decrease In Payments In Excess Of Funding IncreaseDecreaseInPaymentsInExcessOfFunding	14128000	USD
CY2013	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	4857000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	24901000	USD
CY2013	cass	Increase Decrease In Non Interest Bearing Demand Deposits IncreaseDecreaseInNonInterestBearingDemandDeposits	-302000	USD
CY2013	us-gaap	Increase Decrease In Demand Deposits IncreaseDecreaseInDemandDeposits	32645000	USD
CY2013	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-13555000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable And Other Operating Liabilities IncreaseDecreaseInAccountsPayableAndOtherOperatingLiabilities	21192000	USD
CY2013	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	8510000	USD
CY2013	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-1083000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	30387000	USD
CY2013	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	84174000	USD
CY2013	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	38245000	USD
CY2013	us-gaap	Revenues Revenues	114817000	USD
CY2013	us-gaap	Labor And Related Expense LaborAndRelatedExpense	65722000	USD
CY2013Q4	us-gaap	Assets Assets	1326020000	USD
CY2013Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	225262000	USD
CY2013Q4	us-gaap	Stockholders Equity StockholdersEquity	190427000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Discount Rate DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationDiscountRate	0.0500	pure
CY2013Q4	us-gaap	Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Rate Of Compensation Increase DefinedBenefitPlanAssumptionsUsedCalculatingBenefitObligationRateOfCompensationIncrease	0.0375	pure
CY2013Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	63439000	USD
CY2013Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	70627000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	861000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	41000	USD
CY2013Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1208000	USD
CY2015Q2	dei	Entity Public Float EntityPublicFloat	609000000	USD
CY2016Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	11293246	shares

Files In Submission

Name	View Source	Status
0001206774-16-004815-index-headers.html	Edgar Link	pending
0001206774-16-004815-index.html	Edgar Link	pending
0001206774-16-004815.txt	Edgar Link	pending
0001206774-16-004815-xbrl.zip	Edgar Link	pending
cass-20151231.xml	Edgar Link	completed
cass-20151231.xsd	Edgar Link	pending
cass-20151231_cal.xml	Edgar Link	unprocessable
cass-20151231_def.xml	Edgar Link	unprocessable
cass-20151231_lab.xml	Edgar Link	unprocessable
cass-20151231_pre.xml	Edgar Link	unprocessable
cass_10k.htm	Edgar Link	pending
cass_10k1x1x1.jpg	Edgar Link	pending
cass_10k2x6x1.jpg	Edgar Link	pending
exhibit10-8.htm	Edgar Link	pending
exhibit21.htm	Edgar Link	pending
exhibit23.htm	Edgar Link	pending
exhibit31-1.htm	Edgar Link	pending
exhibit31-2.htm	Edgar Link	pending
exhibit32-1.htm	Edgar Link	pending
exhibit32-2.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R78.htm	Edgar Link	pending
R79.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R80.htm	Edgar Link	pending
R81.htm	Edgar Link	pending
R82.htm	Edgar Link	pending
R83.htm	Edgar Link	pending
R84.htm	Edgar Link	pending
R85.htm	Edgar Link	pending
R86.htm	Edgar Link	pending
R87.htm	Edgar Link	pending
R88.htm	Edgar Link	pending
R89.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
R90.htm	Edgar Link	pending
R91.htm	Edgar Link	pending
R92.htm	Edgar Link	pending
R93.htm	Edgar Link	pending
R94.htm	Edgar Link	pending
R95.htm	Edgar Link	pending
R96.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$CASS
CASS INFORMATION SYSTEMS INC Stock $cass

2016 Q1 Form 10-K Financial Statement

#000120677416004815 Filed on March 07, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CASS CASS INFORMATION SYSTEMS INC Stock $cass

2016 Q1 Form 10-K Financial Statement

#000120677416004815 Filed on March 07, 2016

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CASS
CASS INFORMATION SYSTEMS INC Stock $cass