Document And Entity Information us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions Share-Based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Securities amortization and accretion, net Amount of securities amortization and accretion, net. us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Note To Financial Statement Details Textual Statistical Measurement [Axis] Significant Accounting Policies Note 2 - Securities Available for Sale Income tax expense ecd_NonRule10b51ArrTrmntdFlag Non-Rule 10b5-1 Arrangement Terminated [Flag] Note 3 - Loans and Allowance for Credit Losses ecd_NonRule10b51ArrAdoptedFlag Non-Rule 10b5-1 Arrangement Adopted [Flag] Note 4 - Deposits Trading Arrangements, by Individual [Table] Note 5 - Other Borrowings Material Terms of Trading Arrangement [Text Block] Note 6 - Fair Value Measurements Note 7 - Fair Value of Financial Instruments ESOP shares committed to be released The value of ESOP shares committed to be released. Note 8 - Capital Ratios Financial Instrument [Axis] Investment in Debt and Equity Securities and Other Trading Assets [Text Block] Directors and Officers [Member] Represents directors and officers. Note 9 - Commitments and Contingencies us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation Purchase of treasury stock from taxes withheld on net share settlement of restricted stock awards (in shares) Note 10 - Earnings Per Share Note 11 - Stock Based Compensation us-gaap_AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax Gross unrealized losses Unallocated Common Share Held By ESOP [Member] Related to unallocated common share held by ESOP. Note 2 - Securities - Amortized Cost and Estimated Fair Value of Debt Securities (Details) Gross unrealized gains Note 2 - Securities - Gross Unrealized Losses (Details) Statistical Measurement [Domain] us-gaap_SharePrice Share Price (in dollars per share) Note 3 - Loans and Allowance for Credit Losses - Summary of Loans by Major Category (Details) Maximum [Member] Federal Home Loan Bank, Advances [Table Text Block] Note 3 - Loans and Allowance for Credit Losses - Changes in Allowance for Loan Losses (Details) Federal Home Loan Bank, Advances [Table] Note 3 - Loans and Allowance for Credit Losses - Off-balace Sheet Exposures (Details) us-gaap_BusinessAcquisitionSharePrice Business Combination, Price Per Share (in dollars per share) Note 3 - Loans and Allowance for Credit Losses - Credit Risk Profile of Loan Portfolio (Details) Note 3 - Loans and Allowance for Credit Losses - Aging of Bank's Loan Portfolio (Details) Note 3 - Loans and Allowance for Credit Losses - Loans on Nonaccrual Status (Details) Note 4 - Deposits - Scheduled Maturities of Time Deposits (Details) Note 5 - Other Borrowings - Outstanding Advances (Details) Note 6 - Fair Value Measurements - Fair Value On Recurring Basis (Details) Note 7 - Fair Value of Financial Instruments - Carrying Amounts and Estimated Fair Value Hierarchy of Certain Financial Information (Details) Note 8 - Capital Ratios - Actual Capital Amount and Ratios (Details) Note 9 - Commitments and Contingencies - Outstanding Commitments to Originate Loans (Details) Note 10 - Earnings Per Share - Earnings Per Share (Details) Basis of Presentation and Significant Accounting Policies [Text Block] Note 11 - Stock Based Compensation - Shares Held by ESOP (Details) Note 11 - Stock Based Compensation - Stock Option Activity (Details) Note 11 - Stock Based Compensation - Restricted Stock Activity (Details) nsts_IncreaseDecreaseInAccruedInterestReceivableAndOtherAssets Net change in accrued interest receivable and other assets Amount of increase decrease in accrued interest receivable and other assets. Note 11 - Share Based Compensation - Schedule of Stock Based Compensation Expense (Details) Notes To Financial Statements Commercial Mortgage-Backed Securities [Member] Notes To Financial Statements [Abstract] Average number of common shares outstanding (in shares) The number of weighted average common shares outstanding. Forfeited, weighted average exercise price (in dollars per share) Granted, weighted average exercise price (in dollars per share) Exercised, weighted average exercise price (in dollars per share) Salaries and employee benefits Financial Instruments [Domain] Asset Pledged as Collateral [Member] us-gaap_SharesOutstanding Balance (in shares) Balance (in shares) 12 Months or Longer, Fair Value Less than 12 Months, Fair Value Award Type [Axis] Adjustments to reconcile net loss to net cash provided by (used in) operating activities: Banking Regulation, Regulatory Capital Requirement, Compliance [Table] Plan Name [Axis] us-gaap_Liabilities Total liabilities Plan Name [Domain] Schedule of Compliance with Regulatory Capital Requirements under Banking Regulations [Table Text Block] Stock option expense Share-Based Payment Arrangement, Expense us-gaap_LiabilitiesAndStockholdersEquity Total liabilities and stockholders' equity Pledged Status [Domain] Pledged Status [Axis] Federal Home Loan Bank of Chicago [Member] Stock based compensation us-gaap_ShareBasedCompensation Shares committed for allocation (in shares) Unallocated (in shares) Shares allocated (in shares) BMO Harris Bank [Member] Represents BMO Harris Bank. ESOP expense Employee Stock Ownership Plan (ESOP), Compensation Expense us-gaap_EmployeeStockOwnershipPlanESOPSharesInESOP Employee Stock Ownership Plan (ESOP), Shares in ESOP, Total (in shares) Total ESOP shares (in shares) us-gaap_EmployeeStockOwnershipPlanESOPSharesContributedToESOP Employee Stock Ownership Plan (ESOP), Shares Contributed to ESOP (in shares) Portion at Fair Value Measurement [Member] Reported Value Measurement [Member] Fair Value, by Balance Sheet Grouping [Table] Fair value of unearned shares as of June 30, 2026 and 2025, respectively us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect Net change in cash and cash equivalents Estimate of Fair Value Measurement [Member] Schedule of Fair Value, off-Balance-Sheet Risks [Table Text Block] us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period US Government Agencies Debt Securities [Member] Tier 1 capital (to Average Assets), actual ratio Statement [Table] Tier 1 capital (to Average Assets), minimum required to be well capitalized ratio us-gaap_TimeDeposits Total Accrued expenses and other liabilities Total, Unrealized Losses Debt Securities, Available-for-Sale, Unrealized Loss Position, Fair Value [Table Text Block] us-gaap_LoansReceivableFairValueDisclosure Loans, net Total, Fair Value us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Lender [Domain] Financing Receivable, Allowance for Credit Loss [Table Text Block] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber Nonvested, restricted stock awards (in shares) Nonvested balance, restricted stock awards (in shares) Lender Name [Axis] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue Nonvested, weighted average grant date fair value (in dollars per share) Nonvested, weighted average grant date fair value (in dollars per share) Multifamily [Member] Financing Receivable, Past Due [Table Text Block] Granted, restricted stock awards (in shares) Granted, weighted average grant date fair value (in dollars per share) us-gaap_EscrowDeposit Escrow Deposit Forfeited, restricted stock awards (in shares) Financing Receivable Credit Quality Indicators [Table Text Block] Vested, weighted average grant date fair value (in dollars per share) us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1 Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged Vested, restricted stock awards (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares) Collateralized Mortgage Obligations [Member] Loans held for sale us-gaap_LoansReceivableHeldForSaleAmount Residential Mortgage-Backed Securities [Member] Commercial Real Estate [Member] Loans, including fees us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) Commitments to Extend Credit [Member] Exercisable, options (in shares) Exercisable, weighted average exercise price (in dollars per share) Assets [Abstract] Measurement Frequency [Axis] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number (in shares) Outstanding, options (in shares) Outstanding, options (in shares) Commitments and Contingencies Disclosure [Text Block] us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice Outstanding, weighted average exercise price (in dollars per share) Outstanding, weighted average exercise price (in dollars per share) Statement [Line Items] Outstanding, aggregate intrinsic value Fair Value Hierarchy and NAV [Axis] Shares issued (in shares) Award Type [Domain] Shares outstanding (in shares) Shares authorized (in shares) us-gaap_ProceedsFromFederalHomeLoanBankBorrowings Proceeds from FHLBank Borrowings, Financing Activities Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Common Stock us-gaap_PolicyTextBlockAbstract Accounting Policies us-gaap_DisclosureTextBlockAbstract Notes to Financial Statements us-gaap_TableTextBlock Notes Tables Average balance outstanding Proceeds from bank owned life insurance death benefit us-gaap_ComprehensiveIncomeNetOfTax Comprehensive (loss) income us-gaap_FederalFundsPurchased Federal Funds Purchased Net change in escrow deposits Amount of net change in escrow deposits. us-gaap_FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresAmountOfAvailableUnusedFunds Federal Home Loan Bank, Advances, General Debt Obligations, Amount of Available, Unused Funds Federal Home Loan Bank Advances, Disclosure [Text Block] Average interest rate during the period Related Party [Member] Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] Maturities and calls of securities available for sale us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2 Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted-Average Remaining Contractual Term (Year) Construction Loans [Member] Fair Value, Assets Measured on Recurring Basis [Table Text Block] nsts_PolicyTable 2029 2030 2027 2028 Federal Home Loan Bank stock (FHLB) Statement of Stockholders' Equity [Abstract] Statement of Comprehensive Income [Abstract] Proceeds from sales of loans held for sale Statement of Cash Flows [Abstract] Financing Receivable Portfolio Segment [Axis] One To Four Family Residential [Member] Represents 1-4 family residential. First Mortgage Loans [Member] Represents first mortgage loans. Stockholders' equity: Equity Components [Axis] Financing Receivable Portfolio Segment [Domain] Equity Component [Domain] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 [Member] Equity [Text Block] AOCI Attributable to Parent [Member] Fair Value, Inputs, Level 1 [Member] Additional Paid-in Capital [Member] Retained Earnings [Member] Financial Asset, Aging [Axis] Premises and equipment, net Loans, net of unearned income Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Financing Receivable, Nonaccrual [Table Text Block] Financial Asset, Aging [Domain] us-gaap_ProvisionForLoanLossesExpensed Provision for (reversal of) credit losses (Reversal of) provision for credit losses Amortized cost Compensation cost for stock options and restricted stock us-gaap_FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest Allowance for credit losses on loans Beginning balance Ending balance Financial Asset, Equal to or Greater than 90 Days Past Due [Member] BOLI death benefit Earnings on or other increases in the value of the cash surrender value of death benefits on bank owned life insurance policies. Share-Based Payment Arrangement, Option, Activity [Table Text Block] Transaction expenses The amount of transaction expenses incurred. Loan, four years before Loan, prior Loan, two years before Loan, three years before Fair Value Disclosures [Text Block] Loan, current Fair Value, by Balance Sheet Grouping [Table Text Block] Loan, one year before Share-Based Payment Arrangement, Option [Member] Supplemental disclosures of cash flow information: Loan, revolving Loan, revolving converted to term loans us-gaap_LoansHeldForSaleFairValueDisclosure Loans held for sale Allowance for Credit Losses [Text Block] Collateral Held [Domain] Collateral Held [Axis] Other Commitments [Table Text Block] nsts_BankOwnedLifeInsuranceIncomeIncludingDeathBenefit Earnings on bank owned life insurance Earnings on or other increases in the value of the cash surrender value of bank owned life insurance policies, including death benefit. Other Commitments [Table] Accumulated other comprehensive loss, net Tier 1 capital (to Average Assets), minimum required to be well capitalized Tier 1 capital (to Average Assets), actual amount Other Commitments [Axis] Other Commitments [Domain] us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest Loss before income taxes Data processing nsts_FinancingReceivableUnpaidPrincipalBalance Financing Receivable, Unpaid Principal Balance Amount of unpaid principal balance of financing receivables. Additional paid-in capital us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1 Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1 Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) us-gaap_PaymentsToAcquirePropertyPlantAndEquipment Purchases of premises and equipment, net Collateral Pledged [Member] Collateralized Mortgage-Backed Securities [Member] us-gaap_NoninterestExpense Total noninterest expense us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2 Financing Receivable, Modified in Period, Amount Noninterest expense: Financial Asset, Not Past Due [Member] Fair Value, Recurring and Nonrecurring [Table] us-gaap_OffBalanceSheetCreditLossLiability Balance Balance Restricted Stock Units (RSUs) [Member] us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised Exercised, options (in shares) Depreciation Related and Nonrelated Parties [Axis] Cash flows from operating activities: Cash flows from investing activities: us-gaap_NetCashProvidedByUsedInOperatingActivities Net cash provided by (used in) operating activities Cash flows from financing activities: us-gaap_NetCashProvidedByUsedInInvestingActivities Net cash provided by (used in) investing activities us-gaap_NetCashProvidedByUsedInFinancingActivities Net cash provided by (used in) financing activities us-gaap_AdvancesFromFederalHomeLoanBanks Advance from Federal Home Loan Bank us-gaap_ProceedsFromSaleOfAvailableForSaleSecuritiesDebt Proceeds from Sale of Debt Securities, Available-for-Sale Brookfield Merger [Member] Relating to the Brookfield merger. us-gaap_AssetsFairValueDisclosure Assets, Fair Value Disclosure nsts_NumberOfSecuritiesOfOneIssuerGreaterThanTenPercentOfMembersEquity Number of Securities of One Issuer Greater Than Ten Percent of Members' Equity The number of securities of any one issuer that is greater than 10% of members' equity. Net change in deposits Advertising Unused Line of Credit [Member] Represents the unused line of credit. Accounting Policies [Abstract] us-gaap_FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss Total loans, net Time deposits over $250,000 Income Statement [Abstract] Provision for credit losses Securities available for sale Debt Securities, Available-for-Sale, Excluding Accrued Interest Fair value us-gaap_NumberOfOperatingSegments Number of Operating Segments us-gaap_NumberOfReportableSegments Number of Reportable Segments us-gaap_TreasuryStockCommonValue Treasury Stock, at cost Treasury shares (in shares) Treasury Stock, Common [Member] Net loss Net loss Net loss Financial Asset, Past Due [Member] Gain on sale of mortgage loans Gain on sale of mortgage loans Net change in time deposits with other financial institutions Represents net proceeds from (payments for) time deposits for other financial instrument. us-gaap_InterestIncomeExpenseNet Net interest income Total commitments nsts_InterestbearingDepositLiabilitiesFairValue Interest-bearing deposits Represents fair value of interest-bearing deposit liabilities. nsts_TimeDepositsWithOtherFinancialInstitution Time deposits with other financial institutions Represents time deposits with other financial institution. nsts_PrincipalRepaymentsOnMortgageBackedSecurities Principal repayments on mortgage-backed securities Represents principal repayments on mortgage back securities. Restricted Stock [Member] Shares distributed to plan participants (in shares) The number of shares distributed under the employee stock ownership plan. Accounting Standards Update and Change in Accounting Principle [Table] FHLB Stock Represents income from Federal Home Loan Bank stock. Noninterest bearing Deposit expenses Represents expenses associated with the origination and maintenance of deposit accounts, including things such as ATM expenses. Equipment and occupancy Other non-interest expense Related and Nonrelated Parties [Domain] Loan expenses Increase in cash surrender value of BOLI Rental income on office building us-gaap_NoninterestIncome Total noninterest income Noninterest income: us-gaap_PaymentsForProceedsFromLoansReceivable Net change in portfolio loans Measurement Basis [Axis] Other non-interest income Fair Value Hierarchy and NAV [Domain] Measurement Frequency [Domain] Statement of Financial Position [Abstract] Deposit Liability [Table] Provision for (release of) credit losses Recoveries Other assets us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff Charge-offs Director fees Fair Value, Nonrecurring [Member] Professional services Fair Value, Recurring [Member] us-gaap_FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery Net recoveries (charge-offs) Document Type Document Information [Line Items] Document Quarterly Report Document Information [Table] nsts_UnearnedEsopSharesCost Unallocated common shares held by ESOP Cost of unearned shares that qualify as permanent equity that are held by an employee stock ownership plan (ESOP). Less: Average unallocated ESOP shares (in shares) us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment Weighted Average Number of Shares Outstanding, Diluted, Adjustment (in shares) Entity Interactive Data Current us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year) Bank-owned life insurance (BOLI) Document Transition Report Average number of common shares outstanding used to calculate basic loss per common share (in shares) Loss per common share basic and diluted (in dollars per share) Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Nonaccrual, No Allowance Non-Accrual Debt Securities, Available-for-Sale [Table Text Block] Loans transferred to held for sale from portfolio, net us-gaap_Deposits Deposits Total deposits Deposits: Deposit Liabilities Disclosures [Text Block] Money market Interest-bearing Document Fiscal Period Focus Document Fiscal Year Focus us-gaap_StockIssuedDuringPeriodValueShareBasedCompensationForfeited Forfeiture of stock options and restricted stock Savings Amendment Flag Federal Home Loan Bank Branch [Domain] Common Stock [Member] Federal Home Loan Bank Branch [Axis] Financing Receivable, Past Due [Table] Net deferred loan costs us-gaap_PaymentsToAcquireFederalHomeLoanBankStock Purchase of Federal Home Loan Bank stock Document Period End Date us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensationForfeited Forfeiture of stock options and restricted stock (in shares) Granted, options (in shares) Legal Entity [Axis] us-gaap_InterestAndDividendIncomeOperating Total interest income Consumer Portfolio Segment [Member] Financing Receivable, Allowance for Credit Loss [Table] Business Combination [Domain] Entity File Number Entity Tax Identification Number Business Combination [Axis] Less than 12 Months, Unrealized Losses 12 Months or Longer, Unrealized Losses Entity [Domain] Entity Central Index Key Entity Registrant Name Business Combination [Policy Text Block] Other time deposits Entity Current Reporting Status Special Mention [Member] Substandard [Member] Entity Incorporation, State or Country Code Pass [Member] Current Fiscal Year End Date Change in net unrealized loss on securities available for sale, net Entity Ex Transition Period Entity Filer Category Entity Shell Company Entity Emerging Growth Company us-gaap_OtherComprehensiveIncomeLossNetOfTax Other comprehensive (loss) income, net of taxes Entity Small Business Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Interest expense: us-gaap_InterestExpenseBorrowings Other borrowings us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares (in shares) us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares Forfeited, options (in shares) Interest-bearing bank deposits us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Nonvested, Number of Shares (in shares) us-gaap_BusinessCombinationConsiderationTransferred1 Business Combination, Consideration Transferred Entity Address, State or Province Entity Address, City or Town Marketable Securities [Table] Retained earnings us-gaap_InterestExpenseOperating Total interest expense Entity Address, Address Line One City Area Code us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation Purchase of treasury stock from taxes withheld on stock awards Local Phone Number Entity Address, Postal Zip Code Net change in accrued expenses and other liabilities Title of 12(b) Security Security Exchange Name 5 to 10 years Trading Symbol After 10 years 1 year or less 1 to 5 years Unrealized net holding (loss) gain on securities Class of Stock [Axis] Class of Financing Receivable [Axis] us-gaap_OtherComprehensiveIncomeLossTax Tax effect Class of Financing Receivable [Domain] Related Party Transaction [Domain] Entity Common Stock, Shares Outstanding Deposits Related Party Transaction [Axis] Earnings Per Share [Text Block] Financing Receivable, Credit Quality Indicator [Table] Loans Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, Fee, and Loan in Process Unrealized net holding (loss) gain on securities arising during period Internal Credit Assessment [Axis] Change in deferred income taxes us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss Net interest income after provision for (reversal of) credit losses Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Time deposits with other financial institutions Exercisable, aggregate intrinsic value Federal funds sold and other Internal Credit Assessment [Domain] Par value (in dollars per share) Common Stock, Par or Stated Value Per Share (in dollars per share) Taxable Basis of Accounting, Policy [Policy Text Block] Tax-exempt The 2023 Equity Plan [Member] Relating to the 2023 Equity Plan. Regulatory Capital Requirements under Banking Regulations [Text Block] Cash and due from banks us-gaap_Assets Total assets us-gaap_CashAndCashEquivalentsAtCarryingValue Cash and cash equivalents Financing Receivable, Nonaccrual [Table] Executive Vice President of the Company and Chief Executive Officer and President of the Bank [Member] Represents Executive Vice President of the Company and Chief Executive Officer and President of the Bank. Financial Asset, 31 to 89 Days Past Due [Member] Financial asset more than 29 days past due but fewer than 90 days past due. Securities Time Deposit Maturities [Table Text Block] 2031 and beyond Amount of time deposits maturing after the fourth rolling twelve months following the latest balance sheet. Time deposits include, but are not limited to, certificates of deposits. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation Purchase of treasury stock from taxes withheld on net share settlement of restricted stock awards Accounts and Financing Receivables [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] us-gaap_EmployeeStockOwnershipPlanESOPWeightedAveragePurchasePriceOfSharesPurchased Employee Stock Ownership Plan (ESOP), Weighted Average Purchase Price of Shares Purchased (in dollars per share) Interest Receivable Cash paid during the period for interest us-gaap_DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLossStatementOfFinancialPositionExtensibleList Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss, Statement of Financial Position [Extensible Enumeration] us-gaap_FinancingReceivableExcludingAccruedInterestOriginatedMoreThanFiveYearsBeforeCurrentFiscalYearWriteoff Current year-to-date gross write-offs, prior us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingWriteoff Current year-to-date gross write-offs, revolving us-gaap_FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYearWriteoff Current year-to-date gross write-offs, three years before us-gaap_FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYearWriteoff Current year-to-date gross write-offs, four years before us-gaap_FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYearWriteoff Current year-to-date gross write-offs, one year before us-gaap_FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYearWriteoff Current year-to-date gross write-offs, two years before us-gaap_FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff Current year-to-date gross write-offs Employee Stock Ownership Plan (ESOP) Disclosures [Table Text Block] us-gaap_FinancingReceivableExcludingAccruedInterestRevolvingConvertedToTermLoanWriteoff Current year-to-date gross write-offs, revolving converted to term loans Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] us-gaap_StockholdersEquity Total stockholders' equity Balance Balance Forfeited, weighted average grant date fair value (in dollars per share) us-gaap_FinancingReceivableAccruedInterestAfterAllowanceForCreditLoss Financing Receivable, Accrued Interest, after Allowance for Credit Loss Municipal Bonds [Member] Common Stock Outstanding [Member] Represents common stock outstanding. US Treasury Notes Securities [Member] us-gaap_PaymentsForOriginationOfMortgageLoansHeldForSale Loans originated for sale us-gaap_RepaymentsOfFederalHomeLoanBankBorrowings Repayment of FHLB Advance us-gaap_DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss Demand and NOW checking The amount of money in accounts that may bear interest and that the depositor is entitled to withdraw at any time without prior notice. And amount of deposits in interest-bearing transaction accounts at banks or savings and loans, that are restricted in regard to ownership and can usually only be held by individuals, nonprofit entities and governments. Negotiable order of withdrawal accounts differ from money market demand accounts as they typically have higher reserve requirements and no limit on the number of checks that can be written. Escrow deposits Amount of escrow deposits liabilities. ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] Supervisory fees and assessments Amount of supervisory fees and assessments. ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag] Service charges on deposits