$CASS
CASS INFORMATION SYSTEMS INC Stock $cass

$cass Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000070878124000023 Filed on February 28, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023
Revenue	$54.95M	$50.52M	$197.0M
YoY Change	11.36%	2.17%	7.15%
Cost Of Revenue	$5.178M	$4.687M	$16.27M
YoY Change	63.29%	119.22%	367.15%
Gross Profit	$49.77M	$50.52M	$197.0M
YoY Change	1.57%	2.17%	7.15%
Gross Profit Margin	90.58%	100.0%	100.0%
Selling, General & Admin	$33.35M	$32.44M	$129.4M
YoY Change	1.17%	3.76%	10.76%
% of Gross Profit	67.0%	64.21%	65.69%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.141M	$1.319M	$4.200M
YoY Change	20.74%	-136.54%	5.0%
% of Gross Profit	2.29%	2.61%	2.13%
Operating Expenses	$40.77M	$40.17M	$159.6M
YoY Change	1.83%	4.9%	13.25%
Operating Profit	$9.007M	$10.36M	$37.36M
YoY Change	0.38%	-7.19%	-12.92%
Interest Expense	$5.178M		$16.27M
YoY Change	59.62%		367.15%
% of Operating Profit	57.49%		43.54%
Other Income/Expense, Net			$10.55M
YoY Change			32.72%
Pretax Income	$9.007M	$10.36M	$37.36M
YoY Change	0.38%	-7.19%	-12.92%
Income Tax	$1.855M	$1.945M	$7.297M
% Of Pretax Income	20.6%	18.78%	19.53%
Net Earnings	$7.152M	$8.410M	$30.06M
YoY Change	0.49%	-9.42%	-13.88%
Net Earnings / Revenue	13.02%	16.65%	15.26%
Basic Earnings Per Share	$0.53		$2.22
Diluted Earnings Per Share	$0.52	$0.61	$2.18
COMMON SHARES
Basic Shares Outstanding	13.65M shares	13.60M shares	13.53M shares
Diluted Shares Outstanding	13.79M shares		13.82M shares

Balance Sheet

Concept	2024 Q1	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments	$192.8M	$372.5M	$372.5M
YoY Change	-8.4%	85.36%	85.36%
Cash & Equivalents	$192.8M	$372.5M	$372.5M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables	$32.86M	$110.7M	$110.7M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$225.7M	$483.1M	$483.1M
YoY Change	-8.92%	140.43%	140.43%
LONG-TERM ASSETS
Property, Plant & Equipment	$32.61M	$30.09M	$30.09M
YoY Change	55.54%	50.78%	50.78%
Goodwill	$17.31M	$17.31M
YoY Change	0.0%	0.0%
Intangibles	$3.154M	$3.345M
YoY Change	-19.77%	-18.93%
Long-Term Investments	$621.9M	$627.1M	$627.1M
YoY Change	-11.54%	-16.88%	-16.88%
Other Assets
YoY Change
Total Long-Term Assets	$2.068B	$1.996B	$1.996B
YoY Change	-5.12%	-15.88%	-15.88%
TOTAL ASSETS
Total Short-Term Assets	$225.7M	$483.1M	$483.1M
Total Long-Term Assets	$2.068B	$1.996B	$1.996B
Total Assets	$2.294B	$2.479B	$2.479B
YoY Change	-5.51%	-3.67%	-3.67%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$944.8M	$1.071B	$1.071B
YoY Change	-10.14%	0.35%	0.35%
Accrued Expenses	$7.800M	$8.500M	$8.500M
YoY Change	-16.13%	-10.53%	-10.53%
Deferred Revenue
YoY Change
Short-Term Debt	$666.2M	$616.5M	$616.5M
YoY Change	25.5%	0.32%	0.32%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$2.024B	$2.212B	$2.212B
YoY Change	-6.63%	-4.84%	-4.84%
LONG-TERM LIABILITIES
Long-Term Debt	$0.00	$0.00	$0.00
YoY Change
Other Long-Term Liabilities	$40.21M	$36.63M	$36.63M
YoY Change	-4.96%	-12.54%	-12.54%
Total Long-Term Liabilities	$40.21M	$36.63M	$36.63M
YoY Change	-4.96%	-12.54%	-12.54%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.024B	$2.212B	$2.212B
Total Long-Term Liabilities	$40.21M	$36.63M	$36.63M
Total Liabilities	$2.064B	$2.249B	$2.249B
YoY Change	-6.6%	-4.98%	-4.98%
SHAREHOLDERS EQUITY
Retained Earnings	$148.8M	$145.8M
YoY Change	10.4%	10.71%
Common Stock	$204.4M	$208.0M
YoY Change	-1.09%	0.28%
Preferred Stock
YoY Change
Treasury Stock (at cost)		$84.26M
YoY Change		3.76%
Treasury Stock Shares
Shareholders Equity	$229.5M	$229.8M	$229.8M
YoY Change
Total Liabilities & Shareholders Equity	$2.294B	$2.479B	$2.479B
YoY Change	-5.51%	-3.67%	-3.67%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023
OPERATING ACTIVITIES
Net Income	$7.152M	$8.410M	$30.06M
YoY Change	0.49%	-9.42%	-13.88%
Depreciation, Depletion And Amortization	$1.141M	$1.319M	$4.200M
YoY Change	20.74%	-136.54%	5.0%
Cash From Operating Activities	$9.827M	$7.566M	$36.94M
YoY Change	5.75%	-30.0%	-28.43%
INVESTING ACTIVITIES
Capital Expenditures	$3.661M	$4.964M	$14.32M
YoY Change	87.36%	211.03%	144.19%
Acquisitions
YoY Change
Other Investing Activities	-$68.32M	$95.38M	$299.0M
YoY Change	-164.52%	-273.62%	-199.49%
Cash From Investing Activities	-$71.98M	$90.41M	$284.7M
YoY Change	-169.26%	-259.94%	-192.91%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-$117.5M	-134.0M	-$150.1M
YoY Change	13.34%	33.51%	153.48%
NET CHANGE
Cash From Operating Activities	$9.827M	7.566M	$36.94M
Cash From Investing Activities	-$71.98M	90.41M	$284.7M
Cash From Financing Activities	-$117.5M	-134.0M	-$150.1M
Net Change In Cash	-$179.7M	-35.97M	$171.5M
YoY Change	-1984.07%	-75.37%	-154.63%
FREE CASH FLOW
Cash From Operating Activities	$9.827M	$7.566M	$36.94M
Capital Expenditures	$3.661M	$4.964M	$14.32M
Free Cash Flow	$6.166M	$2.602M	$22.61M
YoY Change	-15.98%	-71.76%	-50.57%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2023	us-gaap	Noninterest Income NoninterestIncome	130467000	usd
CY2022	us-gaap	Noninterest Income NoninterestIncome	124982000	usd
CY2023	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	50825000	usd
CY2022	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	39460000	usd
CY2021	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	35178000	usd
CY2023	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	14118000	usd
CY2021	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	68664000	usd
CY2022	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	4000000	usd
CY2021	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	25119000	usd
CY2021	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	2547000	usd
CY2022	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	6354000	usd
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0000708781
CY2023	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost Credit Excluding Service Cost Statement Of Income Or Comprehensive Income Extensible List DefinedBenefitPlanNetPeriodicBenefitCostCreditExcludingServiceCostStatementOfIncomeOrComprehensiveIncomeExtensibleList	http://fasb.org/us-gaap/2023#InterestExpense
CY2022	us-gaap	Defined Benefit Plan Net Periodic Benefit Cost Credit Excluding Service Cost Statement Of Income Or Comprehensive Income Extensible List DefinedBenefitPlanNetPeriodicBenefitCostCreditExcludingServiceCostStatementOfIncomeOrComprehensiveIncomeExtensibleList	http://fasb.org/us-gaap/2023#InterestExpense
CY2023Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherAssets
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	000-20827
CY2023	dei	Entity Registrant Name EntityRegistrantName	CASS INFORMATION SYSTEMS, INC.
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	MO
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	43-1265338
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	12444 Powerscourt Drive
CY2023	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 550
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	St. Louis
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	MO
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	63131
CY2023	dei	City Area Code CityAreaCode	314
CY2023	dei	Local Phone Number LocalPhoneNumber	506-5500
CY2023	dei	Security12b Title Security12bTitle	Common Stock, par value $0.50 per share
CY2023	dei	Trading Symbol TradingSymbol	CASS
CY2023	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2023	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2023	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2023	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2023	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2023	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2023	dei	Entity Small Business EntitySmallBusiness	false
CY2023	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2023	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2023	dei	Document Fin Stmt Error Correction Flag DocumentFinStmtErrorCorrectionFlag	false
CY2023	dei	Entity Shell Company EntityShellCompany	false
CY2023Q2	dei	Entity Public Float EntityPublicFloat	515500000	usd
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	13649223	shares
CY2023	dei	Auditor Name AuditorName	KPMG LLP
CY2023	dei	Auditor Location AuditorLocation	St. Louis, MO
CY2023	dei	Auditor Firm AuditorFirmId	185
CY2023Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	20908000	usd
CY2022Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	20995000	usd
CY2023Q4	us-gaap	Short Term Investments ShortTermInvestments	351560000	usd
CY2022Q4	us-gaap	Short Term Investments ShortTermInvestments	179947000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	372468000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents And Short Term Investments CashCashEquivalentsAndShortTermInvestments	200942000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	627117000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	754468000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	1014318000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	1082906000	usd
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	13089000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Loss Excluding Accrued Interest FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest	13539000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	1001229000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss	1069367000	usd
CY2023Q4	cass	Payments In Advance Of Funding PaymentsInAdvanceOfFunding	198861000	usd
CY2022Q4	cass	Payments In Advance Of Funding PaymentsInAdvanceOfFunding	293775000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	30093000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	19958000	usd
CY2023Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	49159000	usd
CY2022Q4	us-gaap	Bank Owned Life Insurance BankOwnedLifeInsurance	47998000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	17309000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	17309000	usd
CY2023Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	3345000	usd
CY2022Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	4126000	usd
CY2023Q4	us-gaap	Receivables From Customers ReceivablesFromCustomers	110651000	usd
CY2022Q4	us-gaap	Receivables From Customers ReceivablesFromCustomers	95779000	usd
CY2023Q4	us-gaap	Other Assets OtherAssets	68390000	usd
CY2022Q4	us-gaap	Other Assets OtherAssets	69301000	usd
CY2023Q4	us-gaap	Assets Assets	2478622000	usd
CY2022Q4	us-gaap	Assets Assets	2573023000	usd
CY2023Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	524359000	usd
CY2022Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	642757000	usd
CY2023Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	616455000	usd
CY2022Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	614460000	usd
CY2023Q4	us-gaap	Deposits Deposits	1140814000	usd
CY2022Q4	us-gaap	Deposits Deposits	1257217000	usd
CY2023Q4	cass	Accounts And Drafts Payable Carrying Amount AccountsAndDraftsPayableCarryingAmount	1071369000	usd
CY2022Q4	cass	Accounts And Drafts Payable Carrying Amount AccountsAndDraftsPayableCarryingAmount	1067600000	usd
CY2023Q4	us-gaap	Other Liabilities OtherLiabilities	36630000	usd
CY2022Q4	us-gaap	Other Liabilities OtherLiabilities	41881000	usd
CY2023Q4	us-gaap	Liabilities Liabilities	2248813000	usd
CY2022Q4	us-gaap	Liabilities Liabilities	2366698000	usd
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.50
CY2023Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.50
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	2000000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	2000000	shares
CY2023Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2023Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	usd
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CY2022Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	40000000	shares
CY2023Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	40000000	shares
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CY2023Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	15505772	shares
CY2023Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	13582375	shares
CY2022Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	13669656	shares
CY2023Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	7753000	usd
CY2022Q4	us-gaap	Common Stock Value Outstanding CommonStockValueOutstanding	7753000	usd
CY2023Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	208007000	usd
CY2022Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	207422000	usd
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	145782000	usd
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	131682000	usd
CY2023Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	1923397	shares
CY2022Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	1836116	shares
CY2023Q4	us-gaap	Treasury Stock Value TreasuryStockValue	84264000	usd
CY2022Q4	us-gaap	Treasury Stock Value TreasuryStockValue	81211000	usd
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-47469000	usd
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-59321000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	229809000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	206325000	usd
CY2023Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2478622000	usd
CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	2573023000	usd
CY2023	cass	Bank Service Fees And Other Revenue Not From Contract With Customer BankServiceFeesAndOtherRevenueNotFromContractWithCustomer	4916000	usd
CY2022	cass	Bank Service Fees And Other Revenue Not From Contract With Customer BankServiceFeesAndOtherRevenueNotFromContractWithCustomer	4755000	usd
CY2021	cass	Bank Service Fees And Other Revenue Not From Contract With Customer BankServiceFeesAndOtherRevenueNotFromContractWithCustomer	2369000	usd
CY2022	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	10083000	usd
CY2023	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	4097000	usd
CY2021	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	7046000	usd
CY2023	cass	Interest On Federal Funds Sold And Other Short Term Investments InterestOnFederalFundsSoldAndOtherShortTermInvestments	13720000	usd
CY2022	cass	Interest On Federal Funds Sold And Other Short Term Investments InterestOnFederalFundsSoldAndOtherShortTermInvestments	6429000	usd
CY2021	cass	Interest On Federal Funds Sold And Other Short Term Investments InterestOnFederalFundsSoldAndOtherShortTermInvestments	726000	usd
CY2023	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	82760000	usd
CY2022	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	62326000	usd
CY2021	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	45497000	usd
CY2023	us-gaap	Interest Expense Deposits InterestExpenseDeposits	16150000	usd
CY2022	us-gaap	Interest Expense Deposits InterestExpenseDeposits	3482000	usd
CY2021	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1171000	usd
CY2023	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	116000	usd
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CY2021	us-gaap	Interest Expense Short Term Borrowings InterestExpenseShortTermBorrowings	0	usd
CY2023	us-gaap	Interest Expense InterestExpense	16266000	usd
CY2022	us-gaap	Interest Expense InterestExpense	3482000	usd
CY2021	us-gaap	Interest Expense InterestExpense	1171000	usd
CY2023	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	66494000	usd
CY2022	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	58844000	usd
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	44326000	usd
CY2023	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-550000	usd
CY2022	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1350000	usd
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-130000	usd
CY2023	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	67044000	usd
CY2022	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	57494000	usd
CY2021	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	44456000	usd
CY2023	us-gaap	Revenues Revenues	197511000	usd
CY2022	us-gaap	Revenues Revenues	182476000	usd
CY2021	us-gaap	Revenues Revenues	154147000	usd
CY2023	us-gaap	Labor And Related Expense LaborAndRelatedExpense	118694000	usd
CY2022	us-gaap	Labor And Related Expense LaborAndRelatedExpense	106474000	usd
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	92155000	usd
CY2023	us-gaap	Occupancy Net OccupancyNet	3560000	usd
CY2022	us-gaap	Occupancy Net OccupancyNet	3676000	usd
CY2021	us-gaap	Occupancy Net OccupancyNet	3824000	usd
CY2023	us-gaap	Equipment Expense EquipmentExpense	7138000	usd
CY2022	us-gaap	Equipment Expense EquipmentExpense	6668000	usd
CY2021	us-gaap	Equipment Expense EquipmentExpense	6745000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	780000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	680000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	859000	usd
CY2023	us-gaap	Other Noninterest Expense OtherNoninterestExpense	29983000	usd
CY2022	us-gaap	Other Noninterest Expense OtherNoninterestExpense	22078000	usd
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	16743000	usd
CY2023	us-gaap	Noninterest Expense NoninterestExpense	160155000	usd
CY2022	us-gaap	Noninterest Expense NoninterestExpense	139576000	usd
CY2021	us-gaap	Noninterest Expense NoninterestExpense	120326000	usd
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	37356000	usd
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	42900000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	33821000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7297000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7996000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5217000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	30059000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	34904000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	28604000	usd
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.22
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.58
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.03
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.18
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.53
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.00
CY2023	us-gaap	Net Income Loss NetIncomeLoss	30059000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	34904000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	28604000	usd
CY2023	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	12605000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-79746000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-10447000	usd
CY2023	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	3000000	usd
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-18981000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-2487000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	-173000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	15000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	51000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	-41000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	3000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	12000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-2550000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-1504000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax	-11363000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-607000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-358000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansTax	-2705000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	172000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-143000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-191000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	11852000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-59774000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	468000	usd
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	41911000	usd
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-24870000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	29072000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	30059000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	780000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	680000	usd
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	859000	usd
CY2023	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-4473000	usd
CY2022	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-6275000	usd
CY2021	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-7328000	usd
CY2023	us-gaap	Depreciation Depreciation	4189000	usd
CY2022	us-gaap	Depreciation Depreciation	4021000	usd
CY2021	us-gaap	Depreciation Depreciation	4313000	usd
CY2023	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	-173000	usd
CY2022	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	15000	usd
CY2021	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	51000	usd
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	4139000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	6732000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	2859000	usd
CY2023	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-550000	usd
CY2022	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1350000	usd
CY2021	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	-130000	usd
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-284000	usd
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1163000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-698000	usd
CY2023	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-1481000	usd
CY2022	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	724000	usd
CY2021	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	206000	usd
CY2023	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	806000	usd
CY2022	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	-2484000	usd
CY2021	us-gaap	Increase Decrease In Pension Plan Obligations IncreaseDecreaseInPensionPlanObligations	-1811000	usd
CY2023	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	3841000	usd
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2520000	usd
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	602000	usd
CY2023	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-1527000	usd
CY2022	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	3104000	usd
CY2021	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-6330000	usd
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	36936000	usd
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	51608000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	34547000	usd
CY2023	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	111583000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	3838000	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	63774000	usd
CY2023	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	39233000	usd
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	61209000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	514928000	usd
CY2023	us-gaap	Interest Paid Net InterestPaidNet	15697000	usd
CY2022	us-gaap	Interest Paid Net InterestPaidNet	3431000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	1194000	usd
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	9300000	usd
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	8396000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	96951000	usd
CY2023	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	15332000	usd
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	232083000	usd
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	494226000	usd
CY2023	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-68588000	usd
CY2022	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	122326000	usd
CY2023	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	0	usd
CY2023	cass	Increase Decrease In Payments In Excess Of Funding IncreaseDecreaseInPaymentsInExcessOfFunding	-94914000	usd
CY2022	cass	Increase Decrease In Payments In Excess Of Funding IncreaseDecreaseInPaymentsInExcessOfFunding	2348000	usd
CY2021	cass	Increase Decrease In Payments In Excess Of Funding IncreaseDecreaseInPaymentsInExcessOfFunding	96864000	usd
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	14324000	usd
CY2023	cass	Payments For Asset Acquisitions PaymentsForAssetAcquisitions	0	usd
CY2022	cass	Payments For Asset Acquisitions PaymentsForAssetAcquisitions	4814000	usd
CY2021	cass	Payments For Asset Acquisitions PaymentsForAssetAcquisitions	0	usd
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	284662000	usd
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-306390000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-528517000	usd
CY2023	cass	Net Increase Decrease In Noninterest Bearing Demand Deposits NetIncreaseDecreaseInNoninterestBearingDemandDeposits	-118398000	usd
CY2022	cass	Net Increase Decrease In Noninterest Bearing Demand Deposits NetIncreaseDecreaseInNoninterestBearingDemandDeposits	60115000	usd
CY2021	cass	Net Increase Decrease In Noninterest Bearing Demand Deposits NetIncreaseDecreaseInNoninterestBearingDemandDeposits	89138000	usd
CY2023	cass	Net Increase Decrease In Interest Bearing Demand And Savings Deposits NetIncreaseDecreaseInInterestBearingDemandAndSavingsDeposits	-34106000	usd
CY2022	cass	Net Increase Decrease In Interest Bearing Demand And Savings Deposits NetIncreaseDecreaseInInterestBearingDemandAndSavingsDeposits	-17838000	usd
CY2021	cass	Net Increase Decrease In Interest Bearing Demand And Savings Deposits NetIncreaseDecreaseInInterestBearingDemandAndSavingsDeposits	90310000	usd
CY2021	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-8801000	usd
CY2022	cass	Net Increase Decrease In Accounts And Drafts Receivable From Customers NetIncreaseDecreaseInAccountsAndDraftsReceivableFromCustomers	-90787000	usd
CY2021	cass	Net Increase Decrease In Accounts And Drafts Receivable From Customers NetIncreaseDecreaseInAccountsAndDraftsReceivableFromCustomers	6000	usd
CY2023	cass	Increase Decrease In Accounts And Drafts Payable IncreaseDecreaseInAccountsAndDraftsPayable	-3769000	usd
CY2022	cass	Increase Decrease In Accounts And Drafts Payable IncreaseDecreaseInAccountsAndDraftsPayable	-17204000	usd
CY2021	cass	Increase Decrease In Accounts And Drafts Payable IncreaseDecreaseInAccountsAndDraftsPayable	-215010000	usd
CY2023	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	15959000	usd
CY2022	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	15442000	usd
CY2021	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	15446000	usd
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	5773000	usd
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	5299000	usd
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	30997000	usd
CY2023	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-834000	usd
CY2022	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-594000	usd
CY2021	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-850000	usd
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-150072000	usd
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-59204000	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	338370000	usd
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	171526000	usd
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-313986000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-155600000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	200942000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	514928000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	670528000	usd
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	372468000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	200942000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	136710000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	134663000	usd
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	5637000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	28604000	usd
CY2021	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.09
CY2021	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	15446000	usd
CY2021	us-gaap	Stock Issued During Period Shares Share Based Compensation Gross StockIssuedDuringPeriodSharesShareBasedCompensationGross	85056	shares
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-690000	usd
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	-160000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2859000	usd
CY2021	us-gaap	Stock Issued During Period Shares Purchase Of Assets StockIssuedDuringPeriodSharesPurchaseOfAssets	713857	shares
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	30997000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	468000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	245798000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	34904000	usd
CY2022	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.13
CY2022	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	15442000	usd
CY2022	us-gaap	Stock Issued During Period Shares Share Based Compensation Gross StockIssuedDuringPeriodSharesShareBasedCompensationGross	82172	shares
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-313000	usd
CY2022	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	-281000	usd
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	6732000	usd
CY2022	us-gaap	Stock Issued During Period Shares Purchase Of Assets StockIssuedDuringPeriodSharesPurchaseOfAssets	130374	shares
CY2022	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	5299000	usd
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-59774000	usd
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	206325000	usd
CY2023	us-gaap	Net Income Loss NetIncomeLoss	30059000	usd
CY2023	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	1.17
CY2023	us-gaap	Dividends Common Stock Cash DividendsCommonStockCash	15959000	usd
CY2023	us-gaap	Stock Issued During Period Shares Share Based Compensation Gross StockIssuedDuringPeriodSharesShareBasedCompensationGross	84366	shares
CY2023	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-718000	usd
CY2023	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	-116000	usd
CY2023	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	4139000	usd
CY2023	us-gaap	Stock Issued During Period Shares Purchase Of Assets StockIssuedDuringPeriodSharesPurchaseOfAssets	150541	shares
CY2023	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	5773000	usd
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	11852000	usd
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	229809000	usd
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span> 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.
CY2022Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Five TimeDepositsWeightedAverageInterestRateMaturitiesYearFive	0.001
CY2023Q4	us-gaap	Time Deposits TimeDeposits	76722000	usd
CY2023Q4	cass	Time Deposits Weighted Average Interest Rate Aggregate TimeDepositsWeightedAverageInterestRateAggregate	1.000
CY2022Q4	us-gaap	Time Deposits TimeDeposits	40621000	usd
CY2023Q4	cass	Percentage Holding Required To Account Investments Non Marketable Equity Investments PercentageHoldingRequiredToAccountInvestmentsNonMarketableEquityInvestments	0.20
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	202069000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	178754000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	215750000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	184487000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	684917000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	627117000	usd
CY2023Q4	us-gaap	Retained Earnings Unappropriated RetainedEarningsUnappropriated	30800000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	684917000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	4000	usd
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	57804000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	627117000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost Excluding Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss	825047000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	54000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	70633000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Excluding Accrued Interest DebtSecuritiesAvailableForSaleExcludingAccruedInterest	754468000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	82743000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	675000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	541391000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	57129000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	624134000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	57804000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	456451000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	22374000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	260284000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	48259000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	716735000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	70633000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	275	security
CY2023Q4	cass	Available For Sale Securities In Unrealized Loss Positions Percentage Of Total Securities AvailableForSaleSecuritiesInUnrealizedLossPositionsPercentageOfTotalSecurities	0.989
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	311	security
CY2022Q4	cass	Available For Sale Securities In Unrealized Loss Positions Percentage Of Total Securities AvailableForSaleSecuritiesInUnrealizedLossPositionsPercentageOfTotalSecurities	0.917
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	210000	security
CY2023Q4	cass	Available For Sale Securities In Unrealized Loss Positions Greater Than12 Months Percentage Of Total Securities AvailableForSaleSecuritiesInUnrealizedLossPositionsGreaterThan12MonthsPercentageOfTotalSecurities	0.755
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	130388000	usd
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	129213000	usd
CY2023Q4	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	0	usd
CY2023	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	111600000	usd
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	3800000	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	63800000	usd
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	187000	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	15000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	55000	usd
CY2023	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	360000	usd
CY2022	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	4000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss Current FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLossCurrent	1014318000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss Current FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLossCurrent	1082906000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	0	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	1014318000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Nonaccrual FinancingReceivableExcludingAccruedInterestNonaccrual	1150000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest Before Allowance For Credit Loss FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss	1082906000	usd
CY2023Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss Current FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLossCurrent	1014318000	usd
CY2022Q4	us-gaap	Financing Receivable Excluding Accrued Interest After Allowance For Credit Loss Current FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLossCurrent	1082906000	usd
CY2023	cass	Financing Receivable Excluding Accrued Interest Modified In Period To Total Financing Receivables Percentage FinancingReceivableExcludingAccruedInterestModifiedInPeriodToTotalFinancingReceivablesPercentage	0.0220
CY2023Q4	cass	Financing Receivable Excluding Accrued Interest Modified After12 Months FinancingReceivableExcludingAccruedInterestModifiedAfter12Months	0	usd
CY2023	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	loan
CY2023	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	loan
CY2023Q4	cass	Number Of Loans Individually Evaluated For Impairment NumberOfLoansIndividuallyEvaluatedForImpairment	0	loan
CY2022Q4	cass	Number Of Loans Individually Evaluated For Impairment NumberOfLoansIndividuallyEvaluatedForImpairment	1	loan
CY2023Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	0	usd
CY2022Q4	us-gaap	Demand Deposit Accounts DemandDepositAccounts	567426000	usd
CY2023Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	7226000	usd
CY2022Q4	us-gaap	Deposits Savings Deposits DepositsSavingsDeposits	6413000	usd
CY2023Q4	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	5266000	usd
CY2022Q4	us-gaap	Time Deposits Less Than100000 TimeDepositsLessThan100000	2526000	usd
CY2023Q4	cass	Time Deposits More Than100000 Less Than250000 TimeDepositsMoreThan100000LessThan250000	48540000	usd
CY2022Q4	cass	Time Deposits More Than100000 Less Than250000 TimeDepositsMoreThan100000LessThan250000	20137000	usd
CY2023Q4	cass	Time Deposits More Than250000 TimeDepositsMoreThan250000	22916000	usd
CY2022Q4	cass	Time Deposits More Than250000 TimeDepositsMoreThan250000	17958000	usd
CY2023Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	616455000	usd
CY2022Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	614460000	usd
CY2023Q4	cass	Weighted Average Interest Rate Of Interest Bearing Deposits WeightedAverageInterestRateOfInterestBearingDeposits	0.0316
CY2022Q4	cass	Weighted Average Interest Rate Of Interest Bearing Deposits WeightedAverageInterestRateOfInterestBearingDeposits	0.0174
CY2023Q4	cass	Time Deposit Liability Uninsured Maturity Within Year One TimeDepositLiabilityUninsuredMaturityWithinYearOne	21900000	usd
CY2023Q4	cass	Time Deposit Liability Uninsured Maturity Year One Through Three TimeDepositLiabilityUninsuredMaturityYearOneThroughThree	1100000	usd
CY2022Q4	cass	Time Deposits Weighted Average Interest Rate Aggregate TimeDepositsWeightedAverageInterestRateAggregate	1.000
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	13816016	shares
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	13808029	shares
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	78779000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	64444000	usd
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	48686000	usd
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	44486000	usd
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	30093000	usd
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	19958000	usd
CY2023	us-gaap	Depreciation Depreciation	4200000	usd
CY2022	us-gaap	Depreciation Depreciation	4000000	usd
CY2021	us-gaap	Depreciation Depreciation	4300000	usd
CY2023Q4	us-gaap	Goodwill Gross GoodwillGross	17309000	usd
CY2022Q4	us-gaap	Goodwill Gross GoodwillGross	17309000	usd
CY2023Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	27936000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	7282000	usd
CY2022Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	27936000	usd
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	6501000	usd
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	780000	usd
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	680000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Rolling Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextRollingTwelveMonths	738000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Two FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearTwo	730000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Three FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearThree	582000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Four FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearFour	262000	usd
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Rolling Year Five FiniteLivedIntangibleAssetsAmortizationExpenseRollingYearFive	253000	usd
CY2023Q4	us-gaap	Demand Deposit Accounts DemandDepositAccounts	532507000	usd
CY2023	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	14056000	usd
CY2022	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	3118000	usd
CY2021	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	582000	usd
CY2023	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	113000	usd
CY2022	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	38000	usd
CY2021	us-gaap	Interest Expense Savings Deposits InterestExpenseSavingsDeposits	9000	usd
CY2023	us-gaap	Interest Expense Time Deposits Less Than100000 InterestExpenseTimeDepositsLessThan100000	1276000	usd
CY2022	us-gaap	Interest Expense Time Deposits Less Than100000 InterestExpenseTimeDepositsLessThan100000	145000	usd
CY2021	us-gaap	Interest Expense Time Deposits Less Than100000 InterestExpenseTimeDepositsLessThan100000	332000	usd
CY2023	cass	Interest Expense Time Deposits100000 Or More And Less Than250000 InterestExpenseTimeDeposits100000OrMoreAndLessThan250000	288000	usd
CY2022	cass	Interest Expense Time Deposits100000 Or More And Less Than250000 InterestExpenseTimeDeposits100000OrMoreAndLessThan250000	79000	usd
CY2021	cass	Interest Expense Time Deposits100000 Or More And Less Than250000 InterestExpenseTimeDeposits100000OrMoreAndLessThan250000	109000	usd
CY2023	cass	Interest Expense Time Deposits250000 Or More InterestExpenseTimeDeposits250000OrMore	417000	usd
CY2022	cass	Interest Expense Time Deposits250000 Or More InterestExpenseTimeDeposits250000OrMore	102000	usd
CY2021	cass	Interest Expense Time Deposits250000 Or More InterestExpenseTimeDeposits250000OrMore	139000	usd
CY2023	us-gaap	Interest Expense Deposits InterestExpenseDeposits	16150000	usd
CY2022	us-gaap	Interest Expense Deposits InterestExpenseDeposits	3482000	usd
CY2021	us-gaap	Interest Expense Deposits InterestExpenseDeposits	1171000	usd
CY2023Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	72616000	usd
CY2023Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year One TimeDepositsWeightedAverageInterestRateMaturitiesYearOne	0.946
CY2022Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	37925000	usd
CY2022Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year One TimeDepositsWeightedAverageInterestRateMaturitiesYearOne	0.933
CY2023Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	2941000	usd
CY2023Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Two TimeDepositsWeightedAverageInterestRateMaturitiesYearTwo	0.038
CY2022Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	1773000	usd
CY2022Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Two TimeDepositsWeightedAverageInterestRateMaturitiesYearTwo	0.044
CY2023Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	1098000	usd
CY2023Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Three TimeDepositsWeightedAverageInterestRateMaturitiesYearThree	0.014
CY2022Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	797000	usd
CY2022Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Three TimeDepositsWeightedAverageInterestRateMaturitiesYearThree	0.020
CY2023Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	39000	usd
CY2023Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Four TimeDepositsWeightedAverageInterestRateMaturitiesYearFour	0.001
CY2022Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	88000	usd
CY2022Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Four TimeDepositsWeightedAverageInterestRateMaturitiesYearFour	0.002
CY2023Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	28000	usd
CY2023Q4	us-gaap	Time Deposits Weighted Average Interest Rate Maturities Year Five TimeDepositsWeightedAverageInterestRateMaturitiesYearFive	0.001
CY2022Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	38000	usd
CY2022Q4	us-gaap	Shares Outstanding SharesOutstanding	13669656	shares
CY2023	us-gaap	Stock Issued During Period Shares Restricted Stock Award Gross StockIssuedDuringPeriodSharesRestrictedStockAwardGross	12780	shares
CY2023	us-gaap	Stock Issued During Period Shares Conversion Of Units StockIssuedDuringPeriodSharesConversionOfUnits	9843	shares
CY2023	cass	Performance Based Stock PerformanceBasedStock	15646	shares
CY2023	cass	Share Based Compensation Arrangement By Share Based Payment Award Options And Stock Appreciation Rights Exercises In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsAndStockAppreciationRightsExercisesInPeriod	2974	shares
CY2023	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	22415	shares
CY2023	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	150541	shares
CY2023	us-gaap	Stock Issued During Period Shares Share Based Compensation Forfeited StockIssuedDuringPeriodSharesShareBasedCompensationForfeited	398	shares
CY2023Q4	us-gaap	Shares Outstanding SharesOutstanding	13582375	shares
CY2023	us-gaap	Net Income Loss NetIncomeLoss	30059000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	34904000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	28604000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	13530005	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	13552503	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	14091773	shares
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.22
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.58
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.03
CY2023	us-gaap	Net Income Loss NetIncomeLoss	30059000	usd
CY2022	us-gaap	Net Income Loss NetIncomeLoss	34904000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	28604000	usd
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	13530005	shares
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	13552503	shares
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	14091773	shares
CY2023	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	286011	shares
CY2022	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	255526	shares
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	238103	shares
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	14329876	shares
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.18
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.53
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.00
CY2022Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	85433000	usd
CY2021Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	117323000	usd
CY2023	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	4314000	usd
CY2022	us-gaap	Defined Benefit Plan Interest Cost DefinedBenefitPlanInterestCost	3293000	usd
CY2023	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	-865000	usd
CY2022	us-gaap	Defined Benefit Plan Actuarial Gain Loss DefinedBenefitPlanActuarialGainLoss	31982000	usd
CY2023	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	3485000	usd
CY2022	us-gaap	Defined Benefit Plan Benefit Obligation Benefits Paid DefinedBenefitPlanBenefitObligationBenefitsPaid	3201000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	87127000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Benefit Obligation DefinedBenefitPlanBenefitObligation	85433000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	83394000	usd
CY2021Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	114136000	usd
CY2023	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	8097000	usd
CY2022	us-gaap	Defined Benefit Plan Actual Return On Plan Assets DefinedBenefitPlanActualReturnOnPlanAssets	-26820000	usd
CY2023	us-gaap	Defined Benefit Plan Administration Expenses DefinedBenefitPlanAdministrationExpenses	1252000	usd
CY2022	us-gaap	Defined Benefit Plan Administration Expenses DefinedBenefitPlanAdministrationExpenses	721000	usd
CY2023	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	3485000	usd
CY2022	us-gaap	Defined Benefit Plan Plan Assets Benefits Paid DefinedBenefitPlanPlanAssetsBenefitsPaid	3201000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	86754000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	83394000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-373000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Funded Status Of Plan DefinedBenefitPlanFundedStatusOfPlan	-2039000	usd
CY2023	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	5100000	usd
CY2022	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	4600000	usd
CY2021	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	3500000	usd
CY2023Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	86754000	usd
CY2022Q4	us-gaap	Defined Benefit Plan Fair Value Of Plan Assets DefinedBenefitPlanFairValueOfPlanAssets	83394000	usd
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	1000000	shares
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	4100000	usd
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	6700000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	2900000	usd
CY2023	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	3252000	usd
CY2022	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	2889000	usd
CY2021	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	2627000	usd
CY2023	cass	Outside Service Fees OutsideServiceFees	9627000	usd
CY2022	cass	Outside Service Fees OutsideServiceFees	7874000	usd
CY2021	cass	Outside Service Fees OutsideServiceFees	7413000	usd
CY2023	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	6553000	usd
CY2022	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3365000	usd
CY2021	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	2650000	usd
CY2023	us-gaap	Other Expenses OtherExpenses	10551000	usd
CY2022	us-gaap	Other Expenses OtherExpenses	7950000	usd
CY2021	us-gaap	Other Expenses OtherExpenses	4053000	usd
CY2023	us-gaap	Other Noninterest Expense OtherNoninterestExpense	29983000	usd
CY2022	us-gaap	Other Noninterest Expense OtherNoninterestExpense	22078000	usd
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	16743000	usd
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	6378000	usd
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	7794000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	5018000	usd
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1203000	usd
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1365000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	897000	usd
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-242000	usd
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-990000	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-608000	usd
CY2023	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-42000	usd
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-173000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-90000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7297000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7996000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5217000	usd
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	7885000	usd
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	9035000	usd
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	7103000	usd
CY2023	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1104000	usd
CY2022	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1571000	usd
CY2021	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	1673000	usd
CY2023	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	917000	usd
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	942000	usd
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	638000	usd
CY2023	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	298000	usd
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	258000	usd
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	92000	usd
CY2023	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	643000	usd
CY2022	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	473000	usd
CY2021	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	357000	usd
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-56000	usd
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-195000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-586000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7297000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7996000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5217000	usd
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7300000	usd
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8000000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5200000	usd
CY2023	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.195
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.186
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.154
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	3115000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	3222000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	987000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	1594000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Postretirement Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPostretirementBenefits	2328000	usd
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CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2988000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2745000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	13756000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	16798000	usd
CY2023Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	604000	usd
CY2022Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	772000	usd
CY2023Q4	cass	Deferred Tax Asset Lease Liability DeferredTaxAssetLeaseLiability	2020000	usd
CY2022Q4	cass	Deferred Tax Asset Lease Liability DeferredTaxAssetLeaseLiability	2261000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	330000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	640000	usd
CY2023Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	26128000	usd
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	30343000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1144000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1710000	usd
CY2023Q4	cass	Deferred Tax Liabilities Pension Costs DeferredTaxLiabilitiesPensionCosts	967000	usd
CY2022Q4	cass	Deferred Tax Liabilities Pension Costs DeferredTaxLiabilitiesPensionCosts	1141000	usd
CY2023Q4	us-gaap	Deferred Tax Liabilities Other Finite Lived Assets DeferredTaxLiabilitiesOtherFiniteLivedAssets	1828000	usd
CY2022Q4	us-gaap	Deferred Tax Liabilities Other Finite Lived Assets DeferredTaxLiabilitiesOtherFiniteLivedAssets	1744000	usd
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CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1252000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1405000	usd
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1231000	usd
CY2023	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	99000	usd
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CY2023Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1397000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1252000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1405000	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	1285000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	1129000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits That Would Impact Effective Tax Rate UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate	1134000	usd
CY2023Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	117000	usd
CY2022Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	84000	usd
CY2021Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	85000	usd
CY2023Q4	us-gaap	Decrease In Unrecognized Tax Benefits Is Reasonably Possible DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible	285000	usd
CY2023Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	132000	usd
CY2022Q4	us-gaap	Fair Value Investments Entities That Calculate Net Asset Value Per Share Unfunded Committments FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments	232000	usd
CY2023	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	126614000	usd
CY2022	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	121657000	usd
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	108691000	usd
CY2023	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	3853000	usd
CY2022	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	3325000	usd
CY2021	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	1000000	usd
CY2023	us-gaap	Noninterest Income NoninterestIncome	130467000	usd
CY2022	us-gaap	Noninterest Income NoninterestIncome	124982000	usd
CY2021	us-gaap	Noninterest Income NoninterestIncome	109691000	usd
CY2023	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	segment
CY2023	us-gaap	Noninterest Income NoninterestIncome	130467000	usd
CY2023	cass	Interest And Dividend Income Including Tax Equivalent Adjustment Operating InterestAndDividendIncomeIncludingTaxEquivalentAdjustmentOperating	82760000	usd
CY2023	us-gaap	Interest Expense InterestExpense	16266000	usd
CY2023	cass	Income Loss From Continuing Operations Including Tax Equivalent Adjustment Before Income Taxes Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingTaxEquivalentAdjustmentBeforeIncomeTaxesNoncontrollingInterest	37356000	usd
CY2023Q4	us-gaap	Goodwill Goodwill	17309000	usd
CY2023Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	3345000	usd
CY2023Q4	us-gaap	Assets Assets	2478622000	usd
CY2023Q4	cass	Average Funding Sources AverageFundingSources	2164402000	usd
CY2022	us-gaap	Noninterest Income NoninterestIncome	124982000	usd
CY2022	cass	Interest And Dividend Income Including Tax Equivalent Adjustment Operating InterestAndDividendIncomeIncludingTaxEquivalentAdjustmentOperating	62326000	usd
CY2022	us-gaap	Interest Expense InterestExpense	3482000	usd
CY2022	cass	Income Loss From Continuing Operations Including Tax Equivalent Adjustment Before Income Taxes Noncontrolling Interest IncomeLossFromContinuingOperationsIncludingTaxEquivalentAdjustmentBeforeIncomeTaxesNoncontrollingInterest	42900000	usd
CY2022Q4	us-gaap	Goodwill Goodwill	17309000	usd
CY2022Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	4126000	usd
CY2022Q4	us-gaap	Assets Assets	2573023000	usd
CY2022Q4	cass	Average Funding Sources AverageFundingSources	2332701000	usd
CY2021	us-gaap	Noninterest Income NoninterestIncome	109691000	usd
CY2021	cass	Interest And Dividend Income Including Tax Equivalent Adjustment Operating InterestAndDividendIncomeIncludingTaxEquivalentAdjustmentOperating	45497000	usd
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CY2021Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	2564000	usd
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CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	8500000	usd
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	8100000	usd
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	1400000	usd
CY2023	us-gaap	Short Term Lease Cost ShortTermLeaseCost	278000	usd
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	1300000	usd
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y3M18D
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0357
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1327000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1345000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1351000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1357000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1315000	usd
CY2023Q4	cass	Lessee Operating Lease Liability To Be Paid Due After Year Four LesseeOperatingLeaseLiabilityToBePaidDueAfterYearFour	2904000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	9599000	usd
CY2023Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	1122000	usd
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	8477000	usd

Files In Submission

Name	View Source	Status
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cass-20231231_def.xml	Edgar Link	unprocessable
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cass-20231231.xsd	Edgar Link	pending
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Financial_Report.xlsx	Edgar Link	pending
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report.css	Edgar Link	pending
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$CASS
CASS INFORMATION SYSTEMS INC Stock $cass

2024 Q1 Form 10-K Financial Statement

#000070878124000023 Filed on February 28, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CASS CASS INFORMATION SYSTEMS INC Stock $cass

2024 Q1 Form 10-K Financial Statement

#000070878124000023 Filed on February 28, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CASS
CASS INFORMATION SYSTEMS INC Stock $cass