CapStar Financial Holdings, Inc.

$ Overview Financials Valuation SEC Filings Company Website

2024 Q1 Form 10-K Financial Statement

#000095017024030078 Filed on March 12, 2024

Income Statement

Concept	2024 Q1	2023 Q4	2023

Balance Sheet

Concept	2023 Q4	2023
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$259.6M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$22.99M	$32.49M
YoY Change	-7.49%	-7.04%
Goodwill	$41.07M
YoY Change	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$3.142B	$3.142B
YoY Change	0.8%	0.8%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable
YoY Change
Accrued Expenses	$10.30M	$10.30M
YoY Change	-6.36%	-6.36%
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$10.30M	$10.30M
YoY Change	-6.36%	-6.36%
LONG-TERM LIABILITIES
Long-Term Debt	$29.80M	$29.80M
YoY Change	0.45%	0.45%
Other Long-Term Liabilities	$28.27M	$28.27M
YoY Change	2.77%	2.77%
Total Long-Term Liabilities	$58.07M	$58.07M
YoY Change	1.57%	1.57%
TOTAL LIABILITIES
Total Short-Term Liabilities	$10.30M	$10.30M
Total Long-Term Liabilities	$58.07M	$58.07M
Total Liabilities	$2.781B	$2.781B
YoY Change	0.64%	0.64%
SHAREHOLDERS EQUITY
Retained Earnings	$158.9M
YoY Change	12.2%
Common Stock
YoY Change
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$361.6M	$361.6M
YoY Change
Total Liabilities & Shareholders Equity	$3.142B	$3.142B
YoY Change	0.8%	0.8%

Cashflow Statement

Concept	2024 Q1	2023 Q4	2023

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2023	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherAssets
CY2023Q4	us-gaap	Operating Lease Liability Statement Of Financial Position Extensible List OperatingLeaseLiabilityStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2020	cstr	Cares Act Of2020 Net Operating Loss Carryback Period CARESActOf2020NetOperatingLossCarrybackPeriod	P5Y
CY2023	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2023	dei	Amendment Flag AmendmentFlag	false
CY2023	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2023Q4	ecd	Trd Arr Duration TrdArrDuration	P4Y9M24D
CY2023	dei	Entity Central Index Key EntityCentralIndexKey	0001676479
CY2023	us-gaap	Type Of Revenue Extensible List TypeOfRevenueExtensibleList	http://fasb.org/us-gaap/2023#MortgageBankingMember
CY2022	us-gaap	Type Of Revenue Extensible List TypeOfRevenueExtensibleList	http://fasb.org/us-gaap/2023#MortgageBankingMember
CY2021	us-gaap	Type Of Revenue Extensible List TypeOfRevenueExtensibleList	http://fasb.org/us-gaap/2023#MortgageBankingMember
CY2023Q4	us-gaap	Derivative Liability Statement Of Financial Position Extensible Enumeration DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration	http://fasb.org/us-gaap/2023#OtherLiabilities
CY2023	us-gaap	Fair Value Recurring Basis Unobservable Input Reconciliation Net Derivative Asset Liability Gain Loss Statement Of Income Extensible List FairValueRecurringBasisUnobservableInputReconciliationNetDerivativeAssetLiabilityGainLossStatementOfIncomeExtensibleList	http://ir.capstarbank.com/20231231#MortgageBankingNonInterestIncome
CY2022	us-gaap	Fair Value Recurring Basis Unobservable Input Reconciliation Net Derivative Asset Liability Gain Loss Statement Of Income Extensible List FairValueRecurringBasisUnobservableInputReconciliationNetDerivativeAssetLiabilityGainLossStatementOfIncomeExtensibleList	http://ir.capstarbank.com/20231231#MortgageBankingNonInterestIncome
CY2023	dei	Document Type DocumentType	10-K
CY2023	dei	Document Annual Report DocumentAnnualReport	true
CY2023	dei	Document Period End Date DocumentPeriodEndDate	2023-12-31
CY2023	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023	dei	Document Transition Report DocumentTransitionReport	false
CY2023	dei	Entity File Number EntityFileNumber	001-37886
CY2023	dei	Entity Registrant Name EntityRegistrantName	CAPSTAR FINANCIAL HOLDINGS, INC.
CY2023	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	TN
CY2023	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	81-1527911
CY2023	dei	Entity Address Address Line1 EntityAddressAddressLine1	1201 Demonbreun Street
CY2023	dei	Entity Address Address Line2 EntityAddressAddressLine2	Suite 700
CY2023	dei	Entity Address City Or Town EntityAddressCityOrTown	Nashville
CY2023	dei	Entity Address State Or Province EntityAddressStateOrProvince	TN
CY2023	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	37203
CY2023	dei	City Area Code CityAreaCode	615
CY2023	dei	Local Phone Number LocalPhoneNumber	732-6400
CY2023	dei	Security12b Title Security12bTitle	Common Stock, $1.00 par value per share
CY2023	dei	Trading Symbol TradingSymbol	CSTR
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 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	256252717000
CY2024Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	20813615
CY2023	dei	Auditor Firm AuditorFirmId	149
CY2023	dei	Auditor Name AuditorName	Elliott Davis, PLLC
CY2023	dei	Auditor Location AuditorLocation	Raleigh, North Carolina
CY2023Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	25752000
CY2022Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	25280000
CY2023Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	223859000
CY2022Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	105558000
CY2023Q4	us-gaap	Federal Funds Sold FederalFundsSold	10000000
CY2022Q4	us-gaap	Federal Funds Sold FederalFundsSold	4467000
CY2023Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	259611000
CY2022Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	135305000
CY2023Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	2000000
CY2022Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	359320000
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	396416000
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	0
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1240000
CY2023Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	0
CY2022Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1240000
CY2023Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	10287000
CY2022Q4	us-gaap	Loans Held For Sale Fair Value Disclosure LoansHeldForSaleFairValueDisclosure	12636000
CY2023Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	32264000
CY2022Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	44708000
CY2023Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	2269746000
CY2022Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	2312798000
CY2023Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	24292000
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	23806000
CY2023Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2245454000
CY2022Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2288992000
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	22994000
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	24855000
CY2023Q4	us-gaap	Restricted Investments RestrictedInvestments	13334000
CY2022Q4	us-gaap	Restricted Investments RestrictedInvestments	16632000
CY2023Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	12588000
CY2022Q4	us-gaap	Accrued Investment Income Receivable AccruedInvestmentIncomeReceivable	10511000
CY2022	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1268000
CY2021	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1408000
CY2023	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	194000
CY2022	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	76000
CY2021	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	21000
CY2023	cstr	Interest Income From Restricted Equity Securities InterestIncomeFromRestrictedEquitySecurities	1048000
CY2022	cstr	Interest Income From Restricted Equity Securities InterestIncomeFromRestrictedEquitySecurities	784000
CY2021	cstr	Interest Income From Restricted Equity Securities InterestIncomeFromRestrictedEquitySecurities	640000
CY2023	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	10729000
CY2023Q4	us-gaap	Goodwill Goodwill	41068000
CY2022Q4	us-gaap	Goodwill Goodwill	41068000
CY2023Q4	us-gaap	Finite Lived Core Deposits Gross FiniteLivedCoreDepositsGross	3560000
CY2022Q4	us-gaap	Finite Lived Core Deposits Gross FiniteLivedCoreDepositsGross	5001000
CY2023Q4	us-gaap	Other Real Estate OtherRealEstate	11000
CY2022Q4	us-gaap	Other Real Estate OtherRealEstate	0
CY2023Q4	us-gaap	Other Assets OtherAssets	151971000
CY2022Q4	us-gaap	Other Assets OtherAssets	152441000
CY2023Q4	us-gaap	Assets Assets	3142175000
CY2022Q4	us-gaap	Assets Assets	3117169000
CY2023Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	360397000
CY2022Q4	us-gaap	Noninterest Bearing Deposit Liabilities NoninterestBearingDepositLiabilities	512076000
CY2023Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	988963000
CY2022Q4	us-gaap	Interest Bearing Deposit Liabilities InterestBearingDepositLiabilities	749857000
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CY2023Q4	us-gaap	Deposits Deposits	2662252000
CY2022Q4	us-gaap	Deposits Deposits	2679819000
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Amount Of Advances By Branch FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch	50000000
CY2022Q4	us-gaap	Federal Home Loan Bank Advances Branch Of Fhlb Bank Amount Of Advances By Branch FederalHomeLoanBankAdvancesBranchOfFHLBBankAmountOfAdvancesByBranch	15000000
CY2023Q4	us-gaap	Subordinated Debt SubordinatedDebt	29800000
CY2022Q4	us-gaap	Subordinated Debt SubordinatedDebt	29666000
CY2023Q4	us-gaap	Other Liabilities OtherLiabilities	38565000
CY2022Q4	us-gaap	Other Liabilities OtherLiabilities	38502000
CY2023Q4	us-gaap	Liabilities Liabilities	2780617000
CY2022Q4	us-gaap	Liabilities Liabilities	2762987000
CY2023Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	227185000
CY2022Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	240863000
CY2023Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	158934000
CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	141657000
CY2023Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-45268000
CY2022Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-50052000
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CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	354182000
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CY2022Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	3117169000
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CY2022	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	101501000
CY2021	us-gaap	Interest And Fee Income Loans And Leases InterestAndFeeIncomeLoansAndLeases	89219000
CY2023	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	7927000
CY2022	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	7642000
CY2021	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	6573000
CY2023	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	1218000
CY2022	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	2262000
CY2021	us-gaap	Interest Income Deposits With Financial Institutions InterestIncomeDepositsWithFinancialInstitutions	598000
CY2023	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	158188000
CY2022	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	113533000
CY2021	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	98459000
CY2023	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	21344000
CY2022	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	4479000
CY2021	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	1626000
CY2023	us-gaap	Interest Expense Now Accounts Money Market Accounts And Savings Deposits InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits	16454000
CY2022	us-gaap	Interest Expense Now Accounts Money Market Accounts And Savings Deposits InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits	5102000
CY2021	us-gaap	Interest Expense Now Accounts Money Market Accounts And Savings Deposits InterestExpenseNOWAccountsMoneyMarketAccountsAndSavingsDeposits	1203000
CY2023	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	29990000
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CY2021	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	2873000
CY2023	us-gaap	Interest Expense Federal Funds Purchased InterestExpenseFederalFundsPurchased	0
CY2022	us-gaap	Interest Expense Federal Funds Purchased InterestExpenseFederalFundsPurchased	2000
CY2021	us-gaap	Interest Expense Federal Funds Purchased InterestExpenseFederalFundsPurchased	0
CY2023	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	2944000
CY2022	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	862000
CY2021	us-gaap	Interest Expense Federal Home Loan Bank And Federal Reserve Bank Advances Long Term InterestExpenseFederalHomeLoanBankAndFederalReserveBankAdvancesLongTerm	12000
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CY2021	us-gaap	Interest Expense Debt InterestExpenseDebt	1575000
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CY2021	us-gaap	Interest Expense InterestExpense	7289000
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CY2022	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	96092000
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CY2022	cstr	Provision For Credit Losses On Available For Sale Securities ProvisionForCreditLossesOnAvailableForSaleSecurities	0
CY2021	cstr	Provision For Credit Losses On Available For Sale Securities ProvisionForCreditLossesOnAvailableForSaleSecurities	0
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CY2022	cstr	Recovery Of Provision For Credit Losses On Unfunded Commitments RecoveryOfProvisionForCreditLossesOnUnfundedCommitments	0
CY2021	cstr	Recovery Of Provision For Credit Losses On Unfunded Commitments RecoveryOfProvisionForCreditLossesOnUnfundedCommitments	0
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CY2022	cstr	Total Provision For Recovery Of Credit Losses TotalProvisionForRecoveryOfCreditLosses	2474000
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CY2023	cstr	Interchange Debit Card Transaction Fees InterchangeDebitCardTransactionFees	4879000
CY2022	cstr	Interchange Debit Card Transaction Fees InterchangeDebitCardTransactionFees	5053000
CY2021	cstr	Interchange Debit Card Transaction Fees InterchangeDebitCardTransactionFees	4816000
CY2023	cstr	Mortgage Banking Non Interest Income MortgageBankingNonInterestIncome	3383000
CY2022	cstr	Mortgage Banking Non Interest Income MortgageBankingNonInterestIncome	5073000
CY2021	cstr	Mortgage Banking Non Interest Income MortgageBankingNonInterestIncome	16058000
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CY2022	us-gaap	Loans And Leases Receivable Gain Loss On Sales Net LoansAndLeasesReceivableGainLossOnSalesNet	78000
CY2021	us-gaap	Loans And Leases Receivable Gain Loss On Sales Net LoansAndLeasesReceivableGainLossOnSalesNet	8613000
CY2023	cstr	Wealth Management Non Interest Income WealthManagementNonInterestIncome	1710000
CY2022	cstr	Wealth Management Non Interest Income WealthManagementNonInterestIncome	1687000
CY2021	cstr	Wealth Management Non Interest Income WealthManagementNonInterestIncome	1850000
CY2023	cstr	Sba Lending Non Income Interest SbaLendingNonIncomeInterest	3323000
CY2022	cstr	Sba Lending Non Income Interest SbaLendingNonIncomeInterest	2501000
CY2021	cstr	Sba Lending Non Income Interest SbaLendingNonIncomeInterest	2060000
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	5000
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	8000
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	28000
CY2023	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	3942000
CY2022	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	2996000
CY2021	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1829000
CY2023	us-gaap	Noninterest Income Other NoninterestIncomeOther	3536000
CY2022	us-gaap	Noninterest Income Other NoninterestIncomeOther	2345000
CY2021	us-gaap	Noninterest Income Other NoninterestIncomeOther	2912000
CY2023	us-gaap	Noninterest Income NoninterestIncome	26151000
CY2022	us-gaap	Noninterest Income NoninterestIncome	24522000
CY2021	us-gaap	Noninterest Income NoninterestIncome	42681000
CY2023	us-gaap	Labor And Related Expense LaborAndRelatedExpense	40314000
CY2022	us-gaap	Labor And Related Expense LaborAndRelatedExpense	38065000
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	41758000
CY2023	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	12884000
CY2022	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	11152000
CY2021	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	11248000
CY2023	us-gaap	Occupancy Net OccupancyNet	4514000
CY2022	us-gaap	Occupancy Net OccupancyNet	4299000
CY2021	us-gaap	Occupancy Net OccupancyNet	4205000
CY2023	us-gaap	Equipment Expense EquipmentExpense	2592000
CY2022	us-gaap	Equipment Expense EquipmentExpense	2988000
CY2021	us-gaap	Equipment Expense EquipmentExpense	3507000
CY2023	us-gaap	Professional Fees ProfessionalFees	3067000
CY2022	us-gaap	Professional Fees ProfessionalFees	2175000
CY2021	us-gaap	Professional Fees ProfessionalFees	2155000
CY2023	cstr	State Regulatory Fees And Federal Deposit Insurance Corporation Insurance Expenses StateRegulatoryFeesAndFederalDepositInsuranceCorporationInsuranceExpenses	1806000
CY2022	cstr	State Regulatory Fees And Federal Deposit Insurance Corporation Insurance Expenses StateRegulatoryFeesAndFederalDepositInsuranceCorporationInsuranceExpenses	1080000
CY2021	cstr	State Regulatory Fees And Federal Deposit Insurance Corporation Insurance Expenses StateRegulatoryFeesAndFederalDepositInsuranceCorporationInsuranceExpenses	1031000
CY2023	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	1682000
CY2022	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	0
CY2021	us-gaap	Business Combination Acquisition Related Costs BusinessCombinationAcquisitionRelatedCosts	323000
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1441000
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1690000
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1939000
CY2023	us-gaap	Other Noninterest Expense OtherNoninterestExpense	6684000
CY2022	us-gaap	Other Noninterest Expense OtherNoninterestExpense	7921000
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	7375000
CY2023	us-gaap	Noninterest Expense NoninterestExpense	74984000
CY2022	us-gaap	Noninterest Expense NoninterestExpense	69370000
CY2021	us-gaap	Noninterest Expense NoninterestExpense	73541000
CY2023	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	36199000
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	48770000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	61376000
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6395000
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9753000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12699000
CY2023	us-gaap	Net Income Loss NetIncomeLoss	29804000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	39017000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	48677000
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.41
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.77
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.2
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.41
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.77
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.19
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21142177
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22010462
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22127919
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21172712
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22059855
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22179461
CY2023	us-gaap	Net Income Loss NetIncomeLoss	29804000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	39017000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	48677000
CY2023	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	6455000
CY2022	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-65897000
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-12141000
CY2023	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	5000
CY2022	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	8000
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	28000
CY2023	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	1666000
CY2022	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	-17123000
CY2021	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax	3171000
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4784000
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-48782000
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8998000
CY2023	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	34588000
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-9765000
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	39679000
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	343486000
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	-219000
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1600000
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	1077000
CY2021	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	462000
CY2021	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.23
CY2021	us-gaap	Dividends Common Stock DividendsCommonStock	5067000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	48677000
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-8998000
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	380094000
CY2022	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	-130000
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1355000
CY2022	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	51000
CY2022	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	9574000
CY2022	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.36
CY2022	us-gaap	Dividends Common Stock DividendsCommonStock	7849000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	39017000
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-48782000
CY2022Q4	us-gaap	Stockholders Equity StockholdersEquity	354182000
CY2023	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	-192000
CY2023	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1677000
CY2023	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	277000
CY2023	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	16447000
CY2023	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.43
CY2023	us-gaap	Dividends Common Stock DividendsCommonStock	9083000
CY2023	us-gaap	Net Income Loss NetIncomeLoss	29804000
CY2023	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4784000
CY2023Q4	us-gaap	Stockholders Equity StockholdersEquity	361558000
CY2023	us-gaap	Net Income Loss NetIncomeLoss	29804000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	39017000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	48677000
CY2023	cstr	Total Provision For Recovery Of Credit Losses TotalProvisionForRecoveryOfCreditLosses	849000
CY2022	cstr	Total Provision For Recovery Of Credit Losses TotalProvisionForRecoveryOfCreditLosses	2474000
CY2021	cstr	Total Provision For Recovery Of Credit Losses TotalProvisionForRecoveryOfCreditLosses	-1066000
CY2023	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	-488000
CY2022	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	-681000
CY2021	us-gaap	Amortization Of Deferred Loan Origination Fees Net AmortizationOfDeferredLoanOriginationFeesNet	7016000
CY2023	us-gaap	Depreciation And Amortization DepreciationAndAmortization	2816000
CY2022	us-gaap	Depreciation And Amortization DepreciationAndAmortization	3174000
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	3452000
CY2023	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1383000
CY2022	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-1828000
CY2021	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-2435000
CY2023	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	5000
CY2022	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	8000
CY2021	us-gaap	Debt And Equity Securities Gain Loss DebtAndEquitySecuritiesGainLoss	28000
CY2023	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	3383000
CY2022	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	5073000
CY2021	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	16058000
CY2023	us-gaap	Loans And Leases Receivable Gain Loss On Sales Net LoansAndLeasesReceivableGainLossOnSalesNet	84000
CY2022	us-gaap	Loans And Leases Receivable Gain Loss On Sales Net LoansAndLeasesReceivableGainLossOnSalesNet	78000
CY2021	us-gaap	Loans And Leases Receivable Gain Loss On Sales Net LoansAndLeasesReceivableGainLossOnSalesNet	8613000
CY2023	cstr	Debt Securities Available For Sale Realized Gain Loss On Small Business Administration Loans DebtSecuritiesAvailableForSaleRealizedGainLossOnSmallBusinessAdministrationLoans	3323000
CY2022	cstr	Debt Securities Available For Sale Realized Gain Loss On Small Business Administration Loans DebtSecuritiesAvailableForSaleRealizedGainLossOnSmallBusinessAdministrationLoans	2501000
CY2021	cstr	Debt Securities Available For Sale Realized Gain Loss On Small Business Administration Loans DebtSecuritiesAvailableForSaleRealizedGainLossOnSmallBusinessAdministrationLoans	2060000
CY2023	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	5000
CY2022	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	14000
CY2021	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	21000
CY2023	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	0
CY2022	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	102000
CY2021	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	49000
CY2023	us-gaap	Share Based Compensation ShareBasedCompensation	1677000
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	1355000
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	1600000
CY2023	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	88000
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	470000
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-207000
CY2023	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	240980000
CY2022	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	685622000
CY2021	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	1288434000
CY2023	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	260214000
CY2022	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	626778000
CY2021	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	1397992000
CY2023	us-gaap	Operating Lease Payments OperatingLeasePayments	2352000
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	2194000
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	2074000
CY2023	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	134000
CY2022	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	134000
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	109000
CY2023	us-gaap	Increase Decrease In Accounts Receivable And Other Operating Assets IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets	-82000
CY2022	us-gaap	Increase Decrease In Accounts Receivable And Other Operating Assets IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets	2829000
CY2021	us-gaap	Increase Decrease In Accounts Receivable And Other Operating Assets IncreaseDecreaseInAccountsReceivableAndOtherOperatingAssets	15318000
CY2023	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-3045000
CY2022	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	-1207000
CY2021	us-gaap	Increase Decrease In Accrued Liabilities And Other Operating Liabilities IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities	3043000
CY2023	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	44358000
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-23717000
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	116364000
CY2023	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	0
CY2022	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	68895000
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	92465000
CY2023	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	2506000
CY2022	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0
CY2023	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	37671000
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	64177000
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	104733000
CY2023	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	1230000
CY2022	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	515000
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	600000
CY2023	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-3298000
CY2022	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	2179000
CY2021	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-1109000
CY2023	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-41952000
CY2022	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	242573000
CY2021	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	57110000
CY2023	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	809000
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	981000
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	503000
CY2023	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1310000
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	429000
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	21000
CY2023	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	0
CY2022	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	368000
CY2021	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	2328000
CY2023	us-gaap	Payments For Proceeds From Life Insurance Policies PaymentsForProceedsFromLifeInsurancePolicies	-802000
CY2022	us-gaap	Payments For Proceeds From Life Insurance Policies PaymentsForProceedsFromLifeInsurancePolicies	0
CY2021	us-gaap	Payments For Proceeds From Life Insurance Policies PaymentsForProceedsFromLifeInsurancePolicies	39000000
CY2023	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	87960000
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-249139000
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-80287000
CY2023	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-17567000
CY2022	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	-4462000
CY2021	us-gaap	Increase Decrease In Deposits IncreaseDecreaseInDeposits	116280000
CY2023	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	535500000
CY2022	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	395000000
CY2021	us-gaap	Proceeds From Federal Home Loan Bank Advances ProceedsFromFederalHomeLoanBankAdvances	0
CY2023	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	500500000
CY2022	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	380000000
CY2021	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	10000000
CY2023	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	16447000
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	9574000
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	462000
CY2023	cstr	Exercise Of Common Stock Options Net Of Repurchase Of Restricted Shares ExerciseOfCommonStockOptionsNetOfRepurchaseOfRestrictedShares	85000
CY2022	cstr	Exercise Of Common Stock Options Net Of Repurchase Of Restricted Shares ExerciseOfCommonStockOptionsNetOfRepurchaseOfRestrictedShares	-79000
CY2021	cstr	Exercise Of Common Stock Options Net Of Repurchase Of Restricted Shares ExerciseOfCommonStockOptionsNetOfRepurchaseOfRestrictedShares	858000
CY2023	us-gaap	Payments Of Dividends PaymentsOfDividends	9083000
CY2022	us-gaap	Payments Of Dividends PaymentsOfDividends	7849000
CY2021	us-gaap	Payments Of Dividends PaymentsOfDividends	5067000
CY2023	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-8012000
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-6964000
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	101609000
CY2023	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	124306000
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-279820000
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	137686000
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	135305000
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	415125000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	277439000
CY2023Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	259611000
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	135305000
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	415125000
CY2023	us-gaap	Interest Paid Net InterestPaidNet	66912000
CY2022	us-gaap	Interest Paid Net InterestPaidNet	15427000
CY2021	us-gaap	Interest Paid Net InterestPaidNet	8075000
CY2023	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	8691000
CY2022	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	8860000
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	16045000
CY2023	cstr	Noncash Cumulative Effect Adjustment Due To Adoption Of Net Of Income Taxes NoncashCumulativeEffectAdjustmentDueToAdoptionOfNetOfIncomeTaxes	-3444000
CY2022	cstr	Noncash Cumulative Effect Adjustment Due To Adoption Of Net Of Income Taxes NoncashCumulativeEffectAdjustmentDueToAdoptionOfNetOfIncomeTaxes	0
CY2021	cstr	Noncash Cumulative Effect Adjustment Due To Adoption Of Net Of Income Taxes NoncashCumulativeEffectAdjustmentDueToAdoptionOfNetOfIncomeTaxes	0
CY2023	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	11000
CY2022	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	0
CY2021	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	2022000
CY2023	cstr	Noncash Loans Charged Off To Allowance For Loan Losses NoncashLoansChargedOffToAllowanceForLoanLosses	1176000
CY2022	cstr	Noncash Loans Charged Off To Allowance For Loan Losses NoncashLoansChargedOffToAllowanceForLoanLosses	756000
CY2021	cstr	Noncash Loans Charged Off To Allowance For Loan Losses NoncashLoansChargedOffToAllowanceForLoanLosses	647000
CY2023	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	721000
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	570000
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	0
CY2023	us-gaap	Debt Securities Available For Sale Unrealized Gain Loss DebtSecuritiesAvailableForSaleUnrealizedGainLoss	4784000
CY2022	us-gaap	Debt Securities Available For Sale Unrealized Gain Loss DebtSecuritiesAvailableForSaleUnrealizedGainLoss	-48782000
CY2021	us-gaap	Debt Securities Available For Sale Unrealized Gain Loss DebtSecuritiesAvailableForSaleUnrealizedGainLoss	-8998000
CY2023	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	0
CY2022	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	105503000
CY2021	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	18396000
CY2023	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline;font-size:10pt;font-family:Times New Roman;font-style:italic;min-width:fit-content;">Reclassifications</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">Certain amounts, previously reported, have been reclassified to state all periods on a comparable basis and had no effect on shareholders' equity or net income.</span></p>
CY2023	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;text-decoration:underline;font-size:10pt;font-family:Times New Roman;font-style:italic;min-width:fit-content;">Estimates</span></p><p style="font-size:10pt;margin-top:6pt;font-family:Times New Roman;margin-bottom:0;text-align:justify;"><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant </span><span style="color:#000000;white-space:pre-wrap;font-size:10pt;font-family:Times New Roman;min-width:fit-content;">change relate to the determination of the allowance for credit losses, determination of impairment of intangible assets, including goodwill, the valuation of our investment portfolio, the valuation of loans held for sale, and deferred tax assets.</span></p>
CY2023Q1	us-gaap	Financing Receivable Allowance For Credit Losses Effect Of Change In Method FinancingReceivableAllowanceForCreditLossesEffectOfChangeInMethod	1500000
CY2023Q1	us-gaap	Unamortized Loan Commitment And Origination Fees And Unamortized Discounts Or Premiums UnamortizedLoanCommitmentAndOriginationFeesAndUnamortizedDiscountsOrPremiums	200000
CY2023Q1	us-gaap	Off Balance Sheet Credit Loss Liability Change In Method Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityChangeInMethodCreditLossExpenseReversal	3400000
CY2023Q1	cstr	Increase In Deferred Tax Assets IncreaseInDeferredTaxAssets	1300000
CY2023Q4	cstr	Number Of Securities NumberOfSecurities	3
CY2023	cstr	Accrual Of Interest On Loans Due Discontinued Period AccrualOfInterestOnLoansDueDiscontinuedPeriod	P90D
CY2023	cstr	Period Of Mortgage Loans Charged Off PeriodOfMortgageLoansChargedOff	P180D
CY2022	cstr	Servicing Rights Impairment Charges ServicingRightsImpairmentCharges	47000
CY2021	cstr	Servicing Rights Impairment Charges ServicingRightsImpairmentCharges	77000
CY2023	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0
CY2023	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0
CY2023	us-gaap	Income Tax Examination Description IncomeTaxExaminationDescription	A tax position is recognized as a benefit only if it is “more likely than not” that the tax position would be sustained in a tax examination, with a tax examination being presumed to occur. The amount recognized is the largest amount of tax benefit that is greater than 50% likely of being realized on examination. For tax positions not meeting the “more likely than not” test, no tax benefit is recorded.
CY2023	cstr	Income Tax Examination Benefit IncomeTaxExaminationBenefit	0
CY2022	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	29804000
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	39017000
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	48677000
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21142177
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22010462
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22127919
CY2023	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.41
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.77
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.20
CY2023	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	29804000
CY2022	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	39017000
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	48677000
CY2023	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21142177
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22010462
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22127919
CY2023	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	30535
CY2022	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	49393
CY2021	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	51542
CY2023	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21172712
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22059855
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22179461
CY2023	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.41
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.77
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.19
CY2023	us-gaap	Loss Contingency Actions Taken By Plaintiff LossContingencyActionsTakenByPlaintiff	One
CY2023Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	2000000
CY2023Q4	us-gaap	Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss	422915000
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1072000
CY2023Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	64667000
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	359320000
CY2022Q4	us-gaap	Debt Securities Available For Sale Amortized Cost After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAmortizedCostAfterAllowanceForCreditLoss	466461000
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	132000
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	70177000
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	396416000
CY2023Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	0
CY2023Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	0
CY2022Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1240000
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1240000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	59182000
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	379464000
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	70177000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	1153000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	1076000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	21422000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	20240000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	93600000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	84966000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	32524000
CY2023Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	29827000
CY2023Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	422915000
CY2023Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	359320000
CY2023	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	40177000
CY2022	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	64177000
CY2021	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	104733000
CY2023	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	6000
CY2022	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	8000
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	45000
CY2023	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	1000
CY2022	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	0
CY2021	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	17000
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	2770000
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	69000
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	337134000
CY2023Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	64598000
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	339904000
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	64667000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	145234000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	10995000
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	234230000
CY2023	cstr	Provision For Credit Losses On Available For Sale Securities ProvisionForCreditLossesOnAvailableForSaleSecurities	2000000
CY2023Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	288
CY2022Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	0
CY2023	cstr	Adoption Of Current Expected Credit Loss AdoptionOfCurrentExpectedCreditLoss	0
CY2023	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss Not Previously Recorded DebtSecuritiesAvailableForSaleAllowanceForCreditLossNotPreviouslyRecorded	2000000
CY2023Q4	us-gaap	Debt Securities Available For Sale Allowance For Credit Loss DebtSecuritiesAvailableForSaleAllowanceForCreditLoss	2000000
CY2023Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2269746000
CY2022Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2312798000
CY2023Q4	cstr	Loans And Leases Receivable Allowances LoansAndLeasesReceivableAllowances	24292000
CY2022Q4	cstr	Loans And Leases Receivable Allowances LoansAndLeasesReceivableAllowances	23806000
CY2023Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2245454000
CY2022Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2288992000
CY2023Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	32300000
CY2022Q4	us-gaap	Loans Receivable Held For Sale Amount LoansReceivableHeldForSaleAmount	44700000
CY2023Q4	cstr	Financing Receivable Recorded Investment Past Due1 FinancingReceivableRecordedInvestmentPastDue1	5369000
CY2023Q4	cstr	Financing Receivable Recorded Investment Current1 FinancingReceivableRecordedInvestmentCurrent1	2249579000
CY2023Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	14798000
CY2023Q4	cstr	Loans And Leases Receivable Gross Carrying Amount Excluding Purchase Credit Impaired Loans LoansAndLeasesReceivableGrossCarryingAmountExcludingPurchaseCreditImpairedLoans	2269746000
CY2022Q4	cstr	Financing Receivable Recorded Investment Past Due1 FinancingReceivableRecordedInvestmentPastDue1	2382000
CY2022Q4	cstr	Financing Receivable Recorded Investment Current1 FinancingReceivableRecordedInvestmentCurrent1	2299702000
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	10714000
CY2022Q4	cstr	Loans And Leases Receivable Gross Carrying Amount Excluding Purchase Credit Impaired Loans LoansAndLeasesReceivableGrossCarryingAmountExcludingPurchaseCreditImpairedLoans	2312798000
CY2023	cstr	Financing Receivable Modified Weighted Average Term Extension From Modification FinancingReceivableModifiedWeightedAverageTermExtensionFromModification	P3M
CY2023Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	6680000
CY2023Q4	cstr	Financing Receivable Nonaccrual With Allowance FinancingReceivableNonaccrualWithAllowance	8118000
CY2023Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	14798000
CY2023	cstr	Minimum Loan Amount For Loans Analyzed By Credit Risk MinimumLoanAmountForLoansAnalyzedByCreditRisk	500000
CY2023Q4	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	52000
CY2023Q4	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	164000
CY2023Q4	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	206000
CY2023Q4	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	128000
CY2023Q4	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	71000
CY2023Q4	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	410000
CY2023Q4	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	145000
CY2023Q4	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	0
CY2023Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	1176000
CY2022Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2312798000
CY2023Q4	us-gaap	Loans Receivable With Variable Rates Of Interest1 LoansReceivableWithVariableRatesOfInterest1	994500000
CY2023Q4	us-gaap	Loans Receivable With Fixed Rates Of Interest1 LoansReceivableWithFixedRatesOfInterest1	1300000000
CY2022Q4	us-gaap	Loans Receivable With Variable Rates Of Interest1 LoansReceivableWithVariableRatesOfInterest1	934900000
CY2022Q4	us-gaap	Loans Receivable With Fixed Rates Of Interest1 LoansReceivableWithFixedRatesOfInterest1	1400000000
CY2023	cstr	Percentage Related To Loan Modification PercentageRelatedToLoanModification	0.0023
CY2023	cstr	Financing Receivable Modified Weighted Average Term Payment Delay From Modification FinancingReceivableModifiedWeightedAverageTermPaymentDelayFromModification	P4M
CY2023	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	23806000
CY2023	cstr	After Adoption Of Cecl AfterAdoptionOfCecl	25303000
CY2023	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	1176000
CY2023	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	371000
CY2023	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-206000
CY2023Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	24292000
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	21698000
CY2022	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	756000
CY2022	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	390000
CY2022	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	2474000
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	23806000
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	23245000
CY2021	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	647000
CY2021	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	166000
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	-1066000
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	21698000
CY2023Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	24292000
CY2023Q4	cstr	Percentage Of Allowance For Loan And Lease Losses Loans Percentage To All Loans PercentageOfAllowanceForLoanAndLeaseLossesLoansPercentageToAllLoans	0.0107
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	23806000
CY2022Q4	cstr	Percentage Of Allowance For Loan And Lease Losses Loans Percentage To All Loans PercentageOfAllowanceForLoanAndLeaseLossesLoansPercentageToAllLoans	0.0103
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	23009000
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	716000
CY2022Q4	cstr	Financing Receivable Allowance For Credit Losses Purchased Credit Impaired FinancingReceivableAllowanceForCreditLossesPurchasedCreditImpaired	81000
CY2022Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	23806000
CY2022Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	2290594000
CY2022Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	9241000
CY2022Q4	cstr	Financing Receivable Purchased Credit Impaired FinancingReceivablePurchasedCreditImpaired	12963000
CY2022Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2312798000
CY2022Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	5356000
CY2022Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	5383000
CY2022Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	3885000
CY2022Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	4061000
CY2022Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	716000
CY2022Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	9241000
CY2022Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	9444000
CY2022Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	716000
CY2022	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	5256000
CY2022	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	237000
CY2021	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	2056000
CY2021	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	84000
CY2022	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	4189000
CY2022	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	422000
CY2021	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	665000
CY2022	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	9445000
CY2022	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	659000
CY2021	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	2721000
CY2021	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	84000
CY2022	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	0
CY2021	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	0
CY2022Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	300000
CY2022Q4	cstr	Loans And Leases Receivable Impaired Additional Commitment To Lend LoansAndLeasesReceivableImpairedAdditionalCommitmentToLend	0
CY2022	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	1
CY2022	us-gaap	Financing Receivable Modifications Pre Modification Recorded Investment2 FinancingReceivableModificationsPreModificationRecordedInvestment2	86000
CY2022	us-gaap	Financing Receivable Modifications Post Modification Recorded Investment2 FinancingReceivableModificationsPostModificationRecordedInvestment2	86000
CY2021Q4	cstr	Impaired Purchased Loans Carrying Value ImpairedPurchasedLoansCarryingValue	19261000
CY2020Q4	cstr	Impaired Purchased Loans Carrying Value ImpairedPurchasedLoansCarryingValue	28392000
CY2022	cstr	Change Due To Payments Received ChangeDueToPaymentsReceived	-6217000
CY2021	cstr	Change Due To Payments Received ChangeDueToPaymentsReceived	-8940000
CY2022	cstr	Reclassification Of Discount To Allowance For Loan Losses ReclassificationOfDiscountToAllowanceForLoanLosses	-81000
CY2021	cstr	Reclassification Of Discount To Allowance For Loan Losses ReclassificationOfDiscountToAllowanceForLoanLosses	-191000
CY2022Q4	cstr	Impaired Purchased Loans Carrying Value ImpairedPurchasedLoansCarryingValue	12963000
CY2021Q4	cstr	Impaired Purchased Loans Carrying Value ImpairedPurchasedLoansCarryingValue	19261000
CY2022	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	100000
CY2021	us-gaap	Allowance For Loan And Lease Losses Adjustments Net AllowanceForLoanAndLeaseLossesAdjustmentsNet	200000
CY2023Q4	us-gaap	Principal Amount Outstanding Of Loans Held In Portfolio PrincipalAmountOutstandingOfLoansHeldInPortfolio	122300000
CY2022Q4	us-gaap	Principal Amount Outstanding Of Loans Held In Portfolio PrincipalAmountOutstandingOfLoansHeldInPortfolio	137200000
CY2022Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1004000
CY2021Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1425000
CY2020Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1634000
CY2023	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	0
CY2022	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	29000
CY2021	us-gaap	Servicing Asset At Amortized Value Additions ServicingAssetAtAmortizedValueAdditions	229000
CY2023	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	112000
CY2022	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	450000
CY2021	us-gaap	Servicing Asset At Amortized Value Amortization1 ServicingAssetAtAmortizedValueAmortization1	438000
CY2023Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	892000
CY2022Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1004000
CY2021Q4	us-gaap	Servicing Asset At Amortized Value ServicingAssetAtAmortizedValue	1425000
CY2022Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	325000
CY2021Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	372000
CY2020Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	449000
CY2023	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsRecoveries	0
CY2022	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsRecoveries	47000
CY2021	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Recoveries ValuationAllowanceForImpairmentOfRecognizedServicingAssetsRecoveries	77000
CY2023	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Aggregate Write Downs ValuationAllowanceForImpairmentOfRecognizedServicingAssetsAggregateWriteDowns	0
CY2022	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Aggregate Write Downs ValuationAllowanceForImpairmentOfRecognizedServicingAssetsAggregateWriteDowns	0
CY2021	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Aggregate Write Downs ValuationAllowanceForImpairmentOfRecognizedServicingAssetsAggregateWriteDowns	0
CY2023	cstr	Valuation Allowance For Impairment Of Recognized Servicing Assets Others ValuationAllowanceForImpairmentOfRecognizedServicingAssetsOthers	-47000
CY2022	cstr	Valuation Allowance For Impairment Of Recognized Servicing Assets Others ValuationAllowanceForImpairmentOfRecognizedServicingAssetsOthers	0
CY2021	cstr	Valuation Allowance For Impairment Of Recognized Servicing Assets Others ValuationAllowanceForImpairmentOfRecognizedServicingAssetsOthers	0
CY2023Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	372000
CY2022Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	325000
CY2021Q4	us-gaap	Valuation Allowance For Impairment Of Recognized Servicing Assets Balance ValuationAllowanceForImpairmentOfRecognizedServicingAssetsBalance	372000
CY2023Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	32145000
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	32641000
CY2023Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	9151000
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	7786000
CY2023Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	22994000
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	24855000
CY2023	cstr	Depreciation And Amortization Of Premises And Equipment DepreciationAndAmortizationOfPremisesAndEquipment	1400000
CY2022	cstr	Depreciation And Amortization Of Premises And Equipment DepreciationAndAmortizationOfPremisesAndEquipment	1400000
CY2021	cstr	Depreciation And Amortization Of Premises And Equipment DepreciationAndAmortizationOfPremisesAndEquipment	1500000
CY2023	cstr	Lessee Operating Lease Expiration Year LesseeOperatingLeaseExpirationYear	2032
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	10300000
CY2023Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	9500000
CY2023Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y
CY2023Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0325
CY2023	us-gaap	Operating Lease Cost OperatingLeaseCost	2336000
CY2022	us-gaap	Operating Lease Cost OperatingLeaseCost	2164000
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	2102000
CY2023	us-gaap	Short Term Lease Cost ShortTermLeaseCost	16000
CY2022	us-gaap	Short Term Lease Cost ShortTermLeaseCost	16000
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	0
CY2023	us-gaap	Lease Cost LeaseCost	2352000
CY2022	us-gaap	Lease Cost LeaseCost	2180000
CY2021	us-gaap	Lease Cost LeaseCost	2102000
CY2023	us-gaap	Sale And Leaseback Transaction Gain Loss Net SaleAndLeasebackTransactionGainLossNet	0
CY2022	us-gaap	Sale And Leaseback Transaction Gain Loss Net SaleAndLeasebackTransactionGainLossNet	0
CY2021	us-gaap	Sale And Leaseback Transaction Gain Loss Net SaleAndLeasebackTransactionGainLossNet	0
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1717000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1693000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1576000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1425000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1270000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	3757000
CY2023Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	11438000
CY2023Q4	cstr	Discount On Cash Flows DiscountOnCashFlows	1127000
CY2023Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	10311000
CY2022Q4	us-gaap	Goodwill Goodwill	41068000
CY2021Q4	us-gaap	Goodwill Goodwill	41068000
CY2023	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0
CY2022	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0
CY2023	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2022	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2023Q4	us-gaap	Goodwill Goodwill	41068000
CY2022Q4	us-gaap	Goodwill Goodwill	41068000
CY2023	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1400000
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1700000
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1900000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	1192000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	943000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	694000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	445000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	200000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	86000
CY2023Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	3560000
CY2022Q4	us-gaap	Other Real Estate OtherRealEstate	0
CY2021Q4	us-gaap	Other Real Estate OtherRealEstate	266000
CY2020Q4	us-gaap	Other Real Estate OtherRealEstate	523000
CY2023	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	11000
CY2022	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	0
CY2021	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	2022000
CY2023	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	0
CY2022	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	266000
CY2021	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	2279000
CY2023Q4	us-gaap	Other Real Estate OtherRealEstate	11000
CY2022Q4	us-gaap	Other Real Estate OtherRealEstate	0
CY2021Q4	us-gaap	Other Real Estate OtherRealEstate	266000
CY2023Q4	us-gaap	Real Estate Owned Valuation Allowance Component RealEstateOwnedValuationAllowanceComponent	0
CY2022Q4	us-gaap	Real Estate Owned Valuation Allowance Component RealEstateOwnedValuationAllowanceComponent	0
CY2023	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	0
CY2022	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	102000
CY2021	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	49000
CY2023	us-gaap	Other Revenue Expense From Real Estate Operations OtherRevenueExpenseFromRealEstateOperations	0
CY2022	us-gaap	Other Revenue Expense From Real Estate Operations OtherRevenueExpenseFromRealEstateOperations	102000
CY2021	us-gaap	Other Revenue Expense From Real Estate Operations OtherRevenueExpenseFromRealEstateOperations	49000
CY2023Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	250000
CY2022Q4	us-gaap	Time Deposits100000 Or More TimeDeposits100000OrMore	250000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12699000
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2023	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	7602000
CY2023Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	121400000
CY2022Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	105400000
CY2023Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	602881000
CY2023Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	42228000
CY2023Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	2604000
CY2023Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	4064000
CY2023Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	2434000
CY2023Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	601000
CY2023Q4	us-gaap	Time Deposits TimeDeposits	654812000
CY2023Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	200500000
CY2022Q4	us-gaap	Interest Bearing Domestic Deposit Brokered InterestBearingDomesticDepositBrokered	348700000
CY2023Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	500000
CY2022Q4	us-gaap	Deposit Liabilities Reclassified As Loans Receivable1 DepositLiabilitiesReclassifiedAsLoansReceivable1	1000000
CY2023Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	50000000
CY2022Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	15000000
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	0
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Of Amounts Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueWithinOneYearOfBalanceSheetDate	0
CY2022Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate	15000000
CY2022Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate Of Amounts Due Within One Year Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOfAmountsDueWithinOneYearOfBalanceSheetDate	0.0433
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	50000000
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate One To Two Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOneToTwoYearsFromBalanceSheetDate	0.0517
CY2022Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Due From One To Two Years Of Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromOneToTwoYearsOfBalanceSheetDate	0
CY2022Q4	us-gaap	Federal Home Loan Bank Advances Maturities Summary Average Interest Rate One To Two Years From Balance Sheet Date FederalHomeLoanBankAdvancesMaturitiesSummaryAverageInterestRateOneToTwoYearsFromBalanceSheetDate	0
CY2023Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	50000000
CY2023Q4	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate At Period End FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd	0.0517
CY2022Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	15000000
CY2022Q4	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate At Period End FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd	0.0433
CY2022	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	10242000
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	12889000
CY2023	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	0
CY2022	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	0
CY2021	us-gaap	Reclassification From Aoci Current Period Net Of Tax Attributable To Parent ReclassificationFromAociCurrentPeriodNetOfTaxAttributableToParent	0
CY2023	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	6290000
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	8956000
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	12174000
CY2023	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	17000
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	327000
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	732000
CY2023	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	6307000
CY2022	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	9283000
CY2021	us-gaap	Current Federal State And Local Tax Expense Benefit CurrentFederalStateAndLocalTaxExpenseBenefit	12906000
CY2023	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	712000
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	451000
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-158000
CY2023	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-624000
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	19000
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-49000
CY2023	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	88000
CY2022	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	470000
CY2021	us-gaap	Deferred Federal State And Local Tax Expense Benefit DeferredFederalStateAndLocalTaxExpenseBenefit	-207000
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6395000
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9753000
CY2023	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-480000
CY2022	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	273000
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	540000
CY2023	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	253000
CY2022	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	265000
CY2021	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	294000
CY2022Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	18285000
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	702000
CY2023	cstr	Income Tax Reconciliation Earnings On Bank Owned Life Insurance Contracts IncomeTaxReconciliationEarningsOnBankOwnedLifeInsuranceContracts	828000
CY2022	cstr	Income Tax Reconciliation Earnings On Bank Owned Life Insurance Contracts IncomeTaxReconciliationEarningsOnBankOwnedLifeInsuranceContracts	629000
CY2021	cstr	Income Tax Reconciliation Earnings On Bank Owned Life Insurance Contracts IncomeTaxReconciliationEarningsOnBankOwnedLifeInsuranceContracts	384000
CY2023	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	147000
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	61000
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	66000
CY2023	cstr	Income Tax Reconciliation Excess Tax Benefits Related To Stock Compensation IncomeTaxReconciliationExcessTaxBenefitsRelatedToStockCompensation	-6000
CY2022	cstr	Income Tax Reconciliation Excess Tax Benefits Related To Stock Compensation IncomeTaxReconciliationExcessTaxBenefitsRelatedToStockCompensation	45000
CY2021	cstr	Income Tax Reconciliation Excess Tax Benefits Related To Stock Compensation IncomeTaxReconciliationExcessTaxBenefitsRelatedToStockCompensation	163000
CY2023	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	322000
CY2022	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	0
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Other IncomeTaxReconciliationNondeductibleExpenseOther	0
CY2023	us-gaap	Investment Tax Credit InvestmentTaxCredit	709000
CY2022	us-gaap	Investment Tax Credit InvestmentTaxCredit	421000
CY2021	us-gaap	Investment Tax Credit InvestmentTaxCredit	57000
CY2023	cstr	Amortization Of Investment In Low Income Housing Credits AmortizationOfInvestmentInLowIncomeHousingCredits	681000
CY2022	cstr	Amortization Of Investment In Low Income Housing Credits AmortizationOfInvestmentInLowIncomeHousingCredits	412000
CY2021	cstr	Amortization Of Investment In Low Income Housing Credits AmortizationOfInvestmentInLowIncomeHousingCredits	56000
CY2023	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-93000
CY2022	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	125000
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	46000
CY2023	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6395000
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9753000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12699000
CY2023	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	6332000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	5525000
CY2023Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	578000
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	317000
CY2023Q4	cstr	Deferred Tax Assets Organization And Preopening Cost DeferredTaxAssetsOrganizationAndPreopeningCost	0
CY2022Q4	cstr	Deferred Tax Assets Organization And Preopening Cost DeferredTaxAssetsOrganizationAndPreopeningCost	56000
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	633000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	307000
CY2023Q4	cstr	Deferred Tax Assets Acquired Loans DeferredTaxAssetsAcquiredLoans	478000
CY2022Q4	cstr	Deferred Tax Assets Acquired Loans DeferredTaxAssetsAcquiredLoans	673000
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	116000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	336000
CY2023Q4	cstr	Deferred Tax Assets Lease Liability DeferredTaxAssetsLeaseLiability	2658000
CY2022Q4	cstr	Deferred Tax Assets Lease Liability DeferredTaxAssetsLeaseLiability	-381000
CY2023Q4	cstr	Deferred Tax Assets Acquired Deposits DeferredTaxAssetsAcquiredDeposits	28000
CY2022Q4	cstr	Deferred Tax Assets Acquired Deposits DeferredTaxAssetsAcquiredDeposits	95000
CY2023Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	708000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	1001000
CY2023Q4	cstr	Deferred Loan Fees DeferredLoanFees	2479000
CY2022Q4	cstr	Deferred Loan Fees DeferredLoanFees	2301000
CY2023Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	16619000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves	82000
CY2023Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	702000
CY2022Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	118000
CY2023Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	32033000
CY2022Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	28715000
CY2023Q4	cstr	Deferred Tax Liabilities Depreciation DeferredTaxLiabilitiesDepreciation	1616000
CY2022Q4	cstr	Deferred Tax Liabilities Depreciation DeferredTaxLiabilitiesDepreciation	1609000
CY2023Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Goodwill DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill	777000
CY2022Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Goodwill DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsGoodwill	624000
CY2023Q4	cstr	Deferred Tax Liabilities Right Of Use Asset DeferredTaxLiabilitiesRightOfUseAsset	2438000
CY2022Q4	cstr	Deferred Tax Liabilities Right Of Use Asset DeferredTaxLiabilitiesRightOfUseAsset	-428000
CY2023Q4	cstr	Partnership Investments PartnershipInvestments	1777000
CY2022Q4	cstr	Partnership Investments PartnershipInvestments	826000
CY2023Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	459000
CY2022Q4	us-gaap	Deferred Tax Liabilities Goodwill And Intangible Assets Intangible Assets DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets	770000
CY2023Q4	cstr	Deferred Tax Liabilities Acquired Assets Other DeferredTaxLiabilitiesAcquiredAssetsOther	187000
CY2022Q4	cstr	Deferred Tax Liabilities Acquired Assets Other DeferredTaxLiabilitiesAcquiredAssetsOther	229000
CY2023Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	722000
CY2022Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	456000
CY2023Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	7976000
CY2022Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	4086000
CY2023Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	24057000
CY2022Q4	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	24629000
CY2023Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0
CY2022Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0
CY2023Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	0
CY2022Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	0
CY2023Q4	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	988464000
CY2022Q4	us-gaap	Unused Commitments To Extend Credit UnusedCommitmentsToExtendCredit	1112950000
CY2023Q4	us-gaap	Guarantees Fair Value Disclosure GuaranteesFairValueDisclosure	7742000
CY2022Q4	us-gaap	Guarantees Fair Value Disclosure GuaranteesFairValueDisclosure	7288000
CY2023Q4	us-gaap	Fair Value Disclosure Offbalance Sheet Risks Amount Liability FairValueDisclosureOffbalanceSheetRisksAmountLiability	996206000
CY2022Q4	us-gaap	Fair Value Disclosure Offbalance Sheet Risks Amount Liability FairValueDisclosureOffbalanceSheetRisksAmountLiability	1120238000
CY2022Q3	cstr	Potential Operational Loss PotentialOperationalLoss	700000
CY2022Q4	cstr	Reversal Of Expected Operational Loss ReversalOfExpectedOperationalLoss	700000
CY2023	cstr	Number Of Capital Categories NumberOfCapitalCategories	5
CY2023Q4	us-gaap	Excess Tier One Risk Based Capital To Risk Weighted Assets ExcessTierOneRiskBasedCapitalToRiskWeightedAssets	0.25
CY2022Q4	us-gaap	Excess Tier One Risk Based Capital To Risk Weighted Assets ExcessTierOneRiskBasedCapitalToRiskWeightedAssets	0.25
CY2023	us-gaap	Dividends Dividends	74600000
CY2022	us-gaap	Dividends Dividends	89900000
CY2023	us-gaap	Dividends And Interest Paid DividendsAndInterestPaid	30800000
CY2022	us-gaap	Dividends And Interest Paid DividendsAndInterestPaid	14100000
CY2023	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1677000
CY2022	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1355000
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1600000
CY2023	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	438000
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	354000
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	418000
CY2023	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	1239000
CY2022	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	1001000
CY2021	us-gaap	Allocated Share Based Compensation Expense Net Of Tax AllocatedShareBasedCompensationExpenseNetOfTax	1182000
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	170426
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	16.76
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	116941
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	17.75
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	39434
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	14.51
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	44770
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	15.17
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	203163
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	17.57
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	177020
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	14.00
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	92212
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	21.22
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	58637
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	16.34
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	40169
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	15.35
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	170426
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	16.76
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	148414
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	14.39
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	143591
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	14.84
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	91763
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	14.99
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	23222
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	14.52
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	177020
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	14.00
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	124445
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	12.11
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2023	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	31458
CY2023	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	8.79
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	122
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	8.79
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	92865
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.24
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y8M12D
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	92865
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	13.24
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P3Y8M12D
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	92865
CY2023Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	13.24
CY2023	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y8M12D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	130245
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	11.96
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2022	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	5800
CY2022	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	8.79
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	8.79
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	124445
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	12.11
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	124445
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	12.11
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P4Y
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	124445
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	12.11
CY2022	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	226589
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	11.73
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	96344
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	11.41
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	0
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice	0
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	130245
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	11.96
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y10M24D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber	130245
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageExercisePrice	11.96
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested And Expected To Vest Outstanding Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingWeightedAverageRemainingContractualTerm1	P4Y10M24D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	113578
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	11.54
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y6M
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	162330
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	71340
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	821174
CY2023	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	276516
CY2022	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	50982
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	1077489
CY2023	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	42206
CY2022	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	18648
CY2021	us-gaap	Employee Service Share Based Compensation Tax Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxBenefitFromExerciseOfStockOptions	148312
CY2023	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0
CY2022	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0
CY2023	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.03
CY2023	cstr	Defined Contribution Plan Employer Additional Discretionary Contribution Percentage Maximum DefinedContributionPlanEmployerAdditionalDiscretionaryContributionPercentageMaximum	0.06
CY2023	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1000000
CY2022	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1000000
CY2021	us-gaap	Defined Benefit Plan Contributions By Employer DefinedBenefitPlanContributionsByEmployer	1000000
CY2023	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Otherthan Temporary Impairment Charges Credit Loss CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesOtherthanTemporaryImpairmentChargesCreditLoss	0
CY2022	us-gaap	Certain Loans Acquired In Transfer Accounted For As Debt Securities Otherthan Temporary Impairment Charges Credit Loss CertainLoansAcquiredInTransferAccountedForAsDebtSecuritiesOtherthanTemporaryImpairmentChargesCreditLoss	0
CY2023Q4	cstr	Other Real Estate Owned At Fair Value OtherRealEstateOwnedAtFairValue	0
CY2022Q4	cstr	Other Real Estate Owned At Fair Value OtherRealEstateOwnedAtFairValue	0
CY2023Q4	ecd	Trd Arr Ind Name TrdArrIndName	Mr. Christopher Tietz
CY2023Q4	ecd	Trd Arr Ind Title TrdArrIndTitle	Chief Banking Officer
CY2023Q4	ecd	Rule10b51 Arr Trmntd Flag Rule10b51ArrTrmntdFlag	true
CY2023Q4	ecd	Rule10b51 Arr Adopted Flag Rule10b51ArrAdoptedFlag	true
CY2023Q4	ecd	Trd Arr Adoption Date TrdArrAdoptionDate	March 7, 2023
CY2023Q4	ecd	Trd Arr Securities Agg Avail Amt TrdArrSecuritiesAggAvailAmt	10000
CY2023Q4	ecd	Trd Arr Termination Date TrdArrTerminationDate	December 31, 2027

Files In Submission

Name	View Source	Status
0000950170-24-030078-index-headers.html	Edgar Link	pending
0000950170-24-030078-index.html	Edgar Link	pending
0000950170-24-030078.txt	Edgar Link	pending
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cstr-20231231.htm	Edgar Link	pending
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CapStar Financial Holdings, Inc.

2024 Q1 Form 10-K Financial Statement

#000095017024030078 Filed on March 12, 2024

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission