{"cik":"0002084261","entityName":"URSB Bancorp, Inc.","facts":{"dei":{"EntityCommonStockSharesOutstanding":{"label":"Entity Common Stock, Shares Outstanding","description":"Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.","units":{"shares":[{"end":"2026-05-01","val":2334375,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}}},"us-gaap":{"AccretionAmortizationOfDiscountsAndPremiumsInvestments":{"label":"Accretion (Amortization) of Discounts and Premiums, Investments","description":"The sum of the periodic adjustments of the differences between securities' face values and purchase prices that are charged against earnings. This is called accretion if the security was purchased at a discount and amortization if it was purchased at premium. As a noncash item, this element is an adjustment to net income when calculating cash provided by or used in operations using the indirect method.","units":{"USD":[{"start":"2026-01-01","end":"2026-03-31","val":27000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"AccumulatedOtherComprehensiveIncomeLossNetOfTax":{"label":"Accumulated Other Comprehensive Income (Loss), Net of Tax","description":"Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.","units":{"USD":[{"end":"2025-12-31","val":-470000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":-578000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"AdditionalPaidInCapital":{"label":"Additional Paid in Capital","description":"Excess of issue price over par or stated value of the entity's capital stock and amounts received from other transactions involving the entity's stock or stockholders. Includes adjustments to additional paid in capital. Some examples of such adjustments include recording the issuance of debt with a beneficial conversion feature and certain tax consequences of equity instruments awarded to employees. Use this element for the aggregate amount of additional paid-in capital associated with common and preferred stock. For additional paid-in capital associated with only common stock, use the element additional paid in capital, common stock. For additional paid-in capital associated with only preferred stock, use the element additional paid in capital, preferred stock.","units":{"USD":[{"end":"2026-03-31","val":21581000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"AdjustmentsToAdditionalPaidInCapitalStockIssuedIssuanceCosts":{"label":"Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs","description":"Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration.","units":{"USD":[{"start":"2026-01-01","end":"2026-03-31","val":1740000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"AdvancePaymentsByBorrowersForTaxesAndInsurance":{"label":"Advance Payments by Borrowers for Taxes and Insurance","description":"Carrying amount of accumulated prepayments received by financial institutions from borrowers for taxes (for example, property taxes) and insurance (for example, property and catastrophe) which will periodically be remitted to the appropriate governmental agency or vendor on behalf of the borrower.","units":{"USD":[{"end":"2025-12-31","val":1401000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":1498000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"AdvertisingExpense":{"label":"Advertising Expense","description":"Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":62000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":70000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"AmortizationOfDeferredLoanOriginationFeesNet":{"label":"Amortization of Deferred Loan Origination Fees, Net","description":"The net increase(decrease) in interest income during the period representing the allocation of deferred loan origination fees less deferred loan origination costs using the effective interest method over the term of the debt arrangement to which they pertain taking into account the effect of prepayments.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":-48000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":-174000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"Assets":{"label":"Assets","description":"Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.","units":{"USD":[{"end":"2025-12-31","val":367973000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":380606000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax":{"label":"Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax","description":"Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"end":"2025-12-31","val":212000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":111000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax":{"label":"Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax","description":"Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"end":"2025-12-31","val":707000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":751000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioCapitalAdequacyMinimum":{"label":"Banking Regulation, Common Equity Tier One Risk-Based Capital Ratio, Capital Adequacy, Minimum","description":"Ratio of minimum Common Equity Tier 1 risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework.","units":{"pure":[{"end":"2025-12-31","val":0.045,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0.045,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"BankingRegulationCommonEquityTierOneRiskBasedCapitalRatioWellCapitalizedMinimum":{"label":"Banking Regulation, Common Equity Tier One Risk-Based Capital Ratio, Well Capitalized, Minimum","description":"Ratio of minimum Common Equity Tier 1 risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.","units":{"pure":[{"end":"2025-12-31","val":0.065,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0.065,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"BankOwnedLifeInsurance":{"label":"Bank Owned Life Insurance","description":"The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.","units":{"USD":[{"end":"2025-12-31","val":7026000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":7089000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"BankOwnedLifeInsuranceIncome":{"label":"Bank Owned Life Insurance Income","description":"Earnings on or other increases in the value of the cash surrender value of bank owned life insurance policies.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":36000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":63000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"Capital":{"label":"Banking Regulation, Total Capital, Actual","description":"Amount of total capital as defined by regulatory framework.","units":{"USD":[{"end":"2025-12-31","val":28909000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":37084000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"CapitalRequiredForCapitalAdequacy":{"label":"Banking Regulation, Total Risk-Based Capital, Capital Adequacy, Minimum","description":"Amount of minimum total risk-based capital required for capital adequacy as defined by regulatory framework.","units":{"USD":[{"end":"2025-12-31","val":19965000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":20564000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"CapitalRequiredForCapitalAdequacyToRiskWeightedAssets":{"label":"Banking Regulation, Total Risk-Based Capital Ratio, Capital Adequacy, Minimum","description":"Ratio of minimum total risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework.","units":{"pure":[{"end":"2025-12-31","val":0.08,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0.08,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"CapitalRequiredToBeWellCapitalized":{"label":"Banking Regulation, Total Risk-Based Capital, Well Capitalized, Minimum","description":"Amount of minimum total risk-based capital categorized as well capitalized as defined by regulatory framework for prompt corrective action.","units":{"USD":[{"end":"2025-12-31","val":24956000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":25705000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"CapitalRequiredToBeWellCapitalizedToRiskWeightedAssets":{"label":"Banking Regulation, Total Risk-Based Capital Ratio, Well Capitalized, Minimum","description":"Ratio of minimum total risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.","units":{"pure":[{"end":"2025-12-31","val":0.1,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0.1,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"CapitalToRiskWeightedAssets":{"label":"Banking Regulation, Total Risk-Based Capital Ratio, Actual","description":"Ratio of total risk-based capital to risk-weighted assets as defined by regulatory framework.","units":{"pure":[{"end":"2025-12-31","val":0.1158,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0.1443,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"CashAndCashEquivalentsAtCarryingValue":{"label":"Cash and Cash Equivalents, at Carrying Value","description":"Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.","units":{"USD":[{"end":"2025-12-31","val":8391000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":17996000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"CashAndDueFromBanks":{"label":"Cash and Due from Banks","description":"For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.","units":{"USD":[{"end":"2025-12-31","val":1902000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":1147000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents","description":"Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"end":"2024-12-31","val":10727000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2024Q4I"},{"end":"2025-03-31","val":11882000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1I"},{"end":"2025-12-31","val":8391000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":17996000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect":{"label":"Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect","description":"Amount of increase (decrease) in cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":1155000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":9605000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"CommonEquityTierOneCapital":{"label":"Banking Regulation, Common Equity Tier One Risk-Based Capital, Actual","description":"Amount of Common Equity Tier 1 risk-based capital as defined by regulatory framework.","units":{"USD":[{"end":"2025-12-31","val":26542000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":34618000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"CommonEquityTierOneCapitalRatio":{"label":"Banking Regulation, Common Equity Tier One Risk-Based Capital Ratio, Actual","description":"Ratio of Common Equity Tier 1 risk-based capital to risk-weighted assets as defined by regulatory framework.","units":{"pure":[{"end":"2025-12-31","val":0.1064,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0.1347,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"CommonEquityTierOneCapitalRequiredForCapitalAdequacy":{"label":"Banking Regulation, Common Equity Tier One Risk-Based Capital, Capital Adequacy, Minimum","description":"Amount of minimum Common Equity Tier 1 risk-based capital required for capital adequacy as defined by regulatory framework.","units":{"USD":[{"end":"2025-12-31","val":11230000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":11567000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"CommonEquityTierOneCapitalRequiredToBeWellCapitalized":{"label":"Banking Regulation, Common Equity Tier One Risk-Based Capital, Well Capitalized, Minimum","description":"Amount of minimum Common Equity Tier 1 risk-based capital categorized as well capitalized as defined by regulatory framework for prompt corrective action.","units":{"USD":[{"end":"2025-12-31","val":16222000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":16708000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"CommonStockParOrStatedValuePerShare":{"label":"Common Stock, Par or Stated Value Per Share","description":"Face amount or stated value per share of common stock.","units":{"USD/shares":[{"end":"2025-12-31","val":0.01,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0.01,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"CommonStockSharesIssued":{"label":"Common Stock, Shares, Issued","description":"Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.","units":{"shares":[{"end":"2026-03-31","val":2334375,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"CommonStockValue":{"label":"Common Stock, Value, Issued","description":"Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.","units":{"USD":[{"end":"2026-03-31","val":23000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"ComprehensiveIncomeNetOfTax":{"label":"Comprehensive Income (Loss), Net of Tax, Attributable to Parent","description":"Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":334000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":47000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"DebtAndEquitySecuritiesRealizedGainLoss":{"label":"Debt and Equity Securities, Realized Gain (Loss)","description":"Amount of realized gain (loss) on investment in debt and equity securities.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":-130000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"}]}},"DebtLongtermAndShorttermCombinedAmount":{"label":"Debt, Long-term and Short-term, Combined Amount","description":"Represents the aggregate of total long-term debt, including current maturities and short-term debt.","units":{"USD":[{"end":"2025-12-31","val":53572000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":51572000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"DebtSecuritiesAvailableForSaleAmortizedCostAllowanceForCreditLossExcludingAccruedInterest":{"label":"","description":"","units":{"USD":[{"end":"2026-03-31","val":0,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestAfterAllowanceForCreditLoss":{"label":"","description":"","units":{"USD":[{"end":"2025-12-31","val":26329000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":27114000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger":{"label":"Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer","description":"Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.","units":{"USD":[{"end":"2025-12-31","val":10191000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":9373000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss":{"label":"Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss","description":"Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.","units":{"USD":[{"end":"2025-12-31","val":707000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":730000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months":{"label":"Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months","description":"Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.","units":{"USD":[{"end":"2026-03-31","val":2074000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss":{"label":"Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss","description":"Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.","units":{"USD":[{"end":"2026-03-31","val":21000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"DebtSecuritiesAvailableForSaleExcludingAccruedInterest":{"label":"","description":"","units":{"USD":[{"end":"2025-12-31","val":25834000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":26474000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"DebtSecuritiesAvailableForSaleRealizedGainLoss":{"label":"Debt Securities, Available-for-sale, Realized Gain (Loss)","description":"Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2025-01-01","end":"2025-12-31","val":0,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":0,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"DebtSecuritiesAvailableForSaleRealizedLoss":{"label":"Debt Securities, Available-for-sale, Realized Loss","description":"Amount of realized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2025-01-01","end":"2025-12-31","val":130000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025"}]}},"DebtSecuritiesAvailableForSaleUnrealizedLossPosition":{"label":"Debt Securities, Available-for-sale, Unrealized Loss Position","description":"Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss.","units":{"USD":[{"end":"2025-12-31","val":10191000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":11447000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss":{"label":"Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss","description":"Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.","units":{"USD":[{"end":"2025-12-31","val":707000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":751000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions":{"label":"Debt Securities, Available-for-sale, Unrealized Loss Position, Number of Positions","description":"Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.","units":{"security":[{"end":"2026-03-31","val":17,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"DebtSecuritiesHeldToMaturityAllowanceForCreditLossExcludingAccruedInterest":{"label":"","description":"","units":{"USD":[{"end":"2024-12-31","val":86000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2024Q4I"},{"end":"2025-03-31","val":70000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1I"},{"end":"2025-12-31","val":75000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":76000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss":{"label":"","description":"","units":{"USD":[{"end":"2025-12-31","val":12789000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":11777000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss":{"label":"","description":"","units":{"USD":[{"end":"2025-12-31","val":12864000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":11853000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"DebtSecuritiesHeldToMaturityExcludingAccruedInterestCreditLossExpenseReversal":{"label":"","description":"","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":-16000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":1000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"DebtWeightedAverageInterestRate":{"label":"Debt, Weighted Average Interest Rate","description":"Weighted average interest rate of debt outstanding.","units":{"pure":[{"end":"2025-12-31","val":0.0417,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0.0416,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"DeferredIncomeTaxExpenseBenefit":{"label":"Deferred Income Tax Expense (Benefit)","description":"Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":-76000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":36000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"Deposits":{"label":"Deposits","description":"The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.","units":{"USD":[{"end":"2025-12-31","val":290950000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":285785000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"DepreciationNonproduction":{"label":"Depreciation, Nonproduction","description":"The expense recognized in the current period that allocates the cost of nonproduction tangible assets over their useful lives.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":68000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":63000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"EarningsPerShareBasic":{"label":"Earnings Per Share, Basic","description":"The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.","units":{"USD/shares":[{"start":"2026-01-01","end":"2026-03-31","val":0.07,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"EarningsPerShareDiluted":{"label":"Earnings Per Share, Diluted","description":"The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.","units":{"USD/shares":[{"start":"2026-01-01","end":"2026-03-31","val":0.07,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"EmployeeStockOwnershipPlanESOPSharesContributedToESOP":{"label":"Employee Stock Ownership Plan (ESOP), Shares Contributed to ESOP","description":"This item represents the number of shares provided to the Employee Stock Ownership Plan (ESOP) during the period.","units":{"shares":[{"start":"2026-01-01","end":"2026-03-31","val":186750,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"EquipmentExpense":{"label":"Equipment Expense","description":"This element represents equipment expense including depreciation, repairs, rentals, and service contract costs. This item also includes equipment purchases which do not qualify for capitalization in accordance with the entity's accounting policy. This item may also include furniture expenses.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":256000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":257000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"EquitySecuritiesWithoutReadilyDeterminableFairValueAmount":{"label":"Equity Securities without Readily Determinable Fair Value, Amount","description":"Amount of investment in equity security without readily determinable fair value.","units":{"USD":[{"end":"2025-12-31","val":80000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":80000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"FederalDepositInsuranceCorporationPremiumExpense":{"label":"Federal Deposit Insurance Corporation Premium Expense","description":"Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":81000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":111000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"FederalHomeLoanBankStock":{"label":"Federal Home Loan Bank Stock","description":"Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).","units":{"USD":[{"end":"2025-12-31","val":2369000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":2279000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"FinancialLiabilitiesFairValueDisclosure":{"label":"Financial Liabilities Fair Value Disclosure","description":"Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.","units":{"USD":[{"end":"2026-03-31","val":0,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest":{"label":"","description":"","units":{"USD":[{"end":"2024-12-31","val":1363000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2024Q4I"},{"end":"2025-03-31","val":1454000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1I"},{"end":"2025-12-31","val":2277000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":2365000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss":{"label":"","description":"","units":{"USD":[{"end":"2025-12-31","val":300438000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":304741000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossRecovery":{"label":"","description":"","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":90000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"}]}},"FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoff":{"label":"","description":"","units":{"USD":[{"start":"2025-01-01","end":"2025-12-31","val":29000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025"}]}},"FinancingReceivableExcludingAccruedInterestAllowanceForCreditLossWriteoffAfterRecovery":{"label":"","description":"","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":-90000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"}]}},"FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss":{"label":"","description":"","units":{"USD":[{"end":"2025-12-31","val":300962000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":305262000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLossFeeAndLoanInProcess":{"label":"","description":"","units":{"USD":[{"end":"2025-12-31","val":300962000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":305262000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"FinancingReceivableExcludingAccruedInterestCreditLossExpenseReversal":{"label":"","description":"","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":1000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":88000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"FinancingReceivableExcludingAccruedInterestModifiedIncreaseDecreaseFromModification":{"label":"","description":"","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":0,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":0,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"FinancingReceivableExcludingAccruedInterestNonaccrual":{"label":"","description":"","units":{"USD":[{"end":"2025-12-31","val":121000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":90000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"FinancingReceivableExcludingAccruedInterestNonaccrualNoAllowance":{"label":"","description":"","units":{"USD":[{"end":"2025-12-31","val":121000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":90000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"FinancingReceivableExcludingAccruedInterestYearFiveOriginatedFourYearsBeforeCurrentFiscalYear":{"label":"","description":"","units":{"USD":[{"end":"2025-12-31","val":29925000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":39259000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"FinancingReceivableExcludingAccruedInterestYearFourOriginatedThreeYearsBeforeCurrentFiscalYear":{"label":"","description":"","units":{"USD":[{"end":"2025-12-31","val":40742000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":44974000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYear":{"label":"","description":"","units":{"USD":[{"end":"2025-12-31","val":86843000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":14799000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"FinancingReceivableExcludingAccruedInterestYearOneOriginatedCurrentFiscalYearWriteoff":{"label":"","description":"","units":{"USD":[{"start":"2025-01-01","end":"2025-12-31","val":29000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025"}]}},"FinancingReceivableExcludingAccruedInterestYearThreeOriginatedTwoYearsBeforeCurrentFiscalYear":{"label":"","description":"","units":{"USD":[{"end":"2025-12-31","val":47744000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":53028000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"FinancingReceivableExcludingAccruedInterestYearTwoOriginatedFiscalYearBeforeCurrentFiscalYear":{"label":"","description":"","units":{"USD":[{"end":"2025-12-31","val":54634000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":85630000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"FinancingReceivableUnamortizedLoanFeeCost":{"label":"Financing Receivable, Unamortized Loan Fee (Cost)","description":"Amount of unamortized loan commitment, origination, and other fees (costs) on financing receivable. Excludes financing receivable covered under loss sharing agreement.","units":{"USD":[{"end":"2025-12-31","val":1187000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":1200000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"FinancingReceivableUnamortizedPurchasePremiumDiscount":{"label":"Financing Receivable, Unamortized Purchase Premium (Discount)","description":"Amount of unamortized purchase premium (discount) on financing receivable. Excludes financing receivable covered under loss sharing agreement.","units":{"USD":[{"end":"2025-12-31","val":566000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":644000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain":{"label":"Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain","description":"Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).","units":{"USD":[{"end":"2025-12-31","val":53000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":47000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss":{"label":"Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss","description":"Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).","units":{"USD":[{"end":"2025-12-31","val":310000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":283000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"HeldToMaturitySecuritiesFairValue":{"label":"Debt Securities, Held-to-maturity, Fair Value","description":"Fair value of investment in debt security measured at amortized cost (held-to-maturity).","units":{"USD":[{"end":"2025-12-31","val":12532000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":11541000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest":{"label":"Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest","description":"Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":223000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":177000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"IncomeTaxExpenseBenefit":{"label":"Income Tax Expense (Benefit)","description":"Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":90000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":22000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"IncomeTaxesPaidNet":{"label":"Income Taxes Paid, Net","description":"The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":45000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"}]}},"IncreaseDecreaseInAccruedInterestReceivableNet":{"label":"Increase (Decrease) in Accrued Interest Receivable, Net","description":"The increase (decrease) during the reporting period in the amount due from borrowers for interest payments.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":37000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":11000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"IncreaseDecreaseInDeposits":{"label":"Increase (Decrease) in Deposits","description":"The net cash inflow or outflow for the increase (decrease) in the beginning and end of period deposits balances.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":2283000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":-5165000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"IncreaseDecreaseInOtherOperatingAssets":{"label":"Increase (Decrease) in Other Operating Assets","description":"Amount of increase (decrease) in operating assets classified as other.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":248000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":-839000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"IncreaseDecreaseInOtherOperatingLiabilities":{"label":"Increase (Decrease) in Other Operating Liabilities","description":"Amount of increase (decrease) in operating liabilities classified as other.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":285000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":-94000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"InterestAndDividendIncomeOperating":{"label":"Interest and Dividend Income, Operating","description":"Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":4016000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":5036000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"InterestAndDividendIncomeSecurities":{"label":"Interest and Dividend Income, Securities, Operating","description":"Amount of operating dividend and interest income, including amortization and accretion of premiums and discounts, on securities.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":301000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":393000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"InterestAndFeeIncomeLoansAndLeases":{"label":"Interest and Fee Income, Loans and Leases","description":"The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":3519000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":4387000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"InterestBearingDepositsInBanks":{"label":"Interest-bearing Deposits in Banks and Other Financial Institutions","description":"For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.","units":{"USD":[{"end":"2025-12-31","val":6489000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":16849000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"InterestBearingDomesticDepositBrokered":{"label":"Interest-bearing Domestic Deposit, Brokered","description":"Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities.","units":{"USD":[{"end":"2025-12-31","val":68702000000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":60639000000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"InterestBearingDomesticDepositCertificatesOfDeposits":{"label":"Interest-bearing Domestic Deposit, Certificates of Deposits","description":"Amount of interest-bearing domestic certificate of deposit liabilities.","units":{"USD":[{"end":"2025-12-31","val":174825000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":173520000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"InterestBearingDomesticDepositChecking":{"label":"Interest-bearing Domestic Deposit, Checking","description":"Amount of interest-bearing domestic checking deposit liabilities.","units":{"USD":[{"end":"2025-12-31","val":66119000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":64937000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"InterestBearingDomesticDepositMoneyMarket":{"label":"Interest-bearing Domestic Deposit, Money Market","description":"Amount of interest-bearing domestic money market demand account deposit liabilities.","units":{"USD":[{"end":"2025-12-31","val":15988000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":17818000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"InterestBearingDomesticDepositSavings":{"label":"Interest-bearing Domestic Deposit, Savings","description":"Amount of interest-bearing domestic savings deposit liabilities. Saving deposits bear interest and have no stated maturity.","units":{"USD":[{"end":"2025-12-31","val":24080000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":20964000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"InterestExpenseBorrowings":{"label":"Interest Expense, Borrowings","description":"Aggregate amount of interest expense on all borrowings.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":490000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":505000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"InterestExpenseOperating":{"label":"","description":"","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":2042000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":2524000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"InterestExpenseTimeDeposits":{"label":"Interest Expense, Time Deposits","description":"The aggregate interest expense incurred on time deposits, including certificates of deposits, in domestic offices.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":1189000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":1602000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"InterestIncomeExpenseAfterProvisionForLoanLoss":{"label":"Interest Income (Expense), after Provision for Loan Loss","description":"Amount of interest income or expense, including any amortization and accretion (as applicable) of discounts and premiums, including consideration of the provisions for loan, lease, credit, and other related losses.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":2015000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":2413000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"InterestIncomeExpenseNet":{"label":"Interest Income (Expense), Net","description":"The net amount of operating interest income (expense).","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":1974000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":2512000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"InterestPaidNet":{"label":"Interest Paid, Excluding Capitalized Interest, Operating Activities","description":"Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":1776000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":2456000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"InterestReceivable":{"label":"Interest Receivable","description":"Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.","units":{"USD":[{"end":"2025-12-31","val":1481000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":1492000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"InvestmentBankingAdvisoryBrokerageAndUnderwritingFeesAndCommissions":{"label":"Investment Banking, Advisory, Brokerage, and Underwriting Fees and Commissions","description":"Amount of fees and commissions from banking, advisory, brokerage, and securities underwriting activities. Activities include, but are not limited to, underwriting securities, private placements of securities, investment advisory and management services, merger and acquisition services, sale and servicing of mutual funds, and other related consulting fees.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":52000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":61000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"LaborAndRelatedExpense":{"label":"Labor and Related Expense","description":"Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":922000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":1054000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"Liabilities":{"label":"Liabilities","description":"Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.","units":{"USD":[{"end":"2025-12-31","val":347979000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":340828000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"LiabilitiesAndStockholdersEquity":{"label":"Liabilities and Equity","description":"Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.","units":{"USD":[{"end":"2025-12-31","val":367973000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":380606000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"LifeInsuranceCorporateOrBankOwnedChangeInValue":{"label":"Life Insurance, Corporate or Bank Owned, Change in Value","description":"The change in cash surrender or contract value during the period which adjusted the amount of premiums paid in determining the expense or income recognized under the contract for the period.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":36000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":63000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"NetCashProvidedByUsedInFinancingActivities":{"label":"Net Cash Provided by (Used in) Financing Activities","description":"Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":1526000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":12469000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"NetCashProvidedByUsedInInvestingActivities":{"label":"Net Cash Provided by (Used in) Investing Activities","description":"Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":-597000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":-4235000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"NetCashProvidedByUsedInOperatingActivities":{"label":"Net Cash Provided by (Used in) Operating Activities","description":"Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":226000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":1371000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"NetIncomeLoss":{"label":"Net Income (Loss) Attributable to Parent","description":"The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":133000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":155000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"NoncashContributionExpense":{"label":"Noncash Contribution Expense","description":"Noncash charitable contributions made by the entity during the period.","units":{"USD":[{"start":"2026-01-01","end":"2026-03-31","val":200000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"NoninterestBearingDomesticDepositChecking":{"label":"Noninterest-bearing Domestic Deposit, Checking","description":"Amount of noninterest-bearing domestic checking deposit liabilities.","units":{"USD":[{"end":"2025-12-31","val":9938000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":8546000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"NoninterestExpense":{"label":"Noninterest Expense","description":"Total aggregate amount of all noninterest expense.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":1750000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":2377000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"NoninterestExpenseDirectorsFees":{"label":"Noninterest Expense Directors Fees","description":"Noninterest expense related to directors' fees which are fees paid by an Entity to its directors. Directors' fees may be paid in addition to salary and other benefits.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":51000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":58000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"NoninterestIncome":{"label":"Noninterest Income","description":"The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":-42000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":141000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"NoninterestIncomeOther":{"label":"Noninterest Income, Other","description":"Represents the total of noninterest income derived from certain activities and assets including (for example): (1) venture capital investments; (2) bank owned life insurance; (3) foreign currency transactions; and (4) mortgage servicing rights.","units":{"USD":[{"start":"2026-01-01","end":"2026-03-31","val":17000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"NumberOfReportableSegments":{"label":"Number of Reportable Segments","description":"Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.","units":{"segment":[{"start":"2026-01-01","end":"2026-03-31","val":1,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"OccupancyNet":{"label":"Occupancy, Net","description":"Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":97000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":103000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"OffBalanceSheetCreditLossLiability":{"label":"Off-Balance Sheet, Credit Loss, Liability","description":"Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.","units":{"USD":[{"end":"2024-12-31","val":57000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2024Q4I"},{"end":"2025-03-31","val":31000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1I"},{"end":"2025-12-31","val":16000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":26000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal":{"label":"Off-Balance Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal)","description":"Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":-26000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":10000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"OtherAssets":{"label":"Other Assets","description":"Amount of assets classified as other.","units":{"USD":[{"end":"2025-12-31","val":7056000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":6217000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax":{"label":"OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, before Tax","description":"Amount, before tax and after adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":277000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":-144000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax":{"label":"OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax","description":"Amount, after tax and adjustment, of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":201000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":-108000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"OtherComprehensiveIncomeLossAvailableForSaleSecuritiesTax":{"label":"OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment, Tax","description":"Amount, after adjustment, of tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":76000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":-36000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"OtherComprehensiveIncomeLossNetOfTax":{"label":"Other Comprehensive Income (Loss), Net of Tax","description":"Amount after tax and reclassification adjustments of other comprehensive income (loss).","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":201000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":-108000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent":{"label":"Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent","description":"Amount after tax of other comprehensive income (loss) attributable to parent entity.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":201000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":-108000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax":{"label":"Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, before Tax","description":"Amount before tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":-130000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"}]}},"OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax":{"label":"OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment and Tax","description":"Amount, before tax and adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":147000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":-144000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"OtherInterestAndDividendIncome":{"label":"Other Interest and Dividend Income","description":"Amount, after discount, accretion and premium amortization, of interest income and dividend income classified as other.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":196000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":256000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"OtherLiabilities":{"label":"Other Liabilities","description":"Amount of liabilities classified as other.","units":{"USD":[{"end":"2025-12-31","val":2056000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":1973000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"OtherNoninterestExpense":{"label":"Other Noninterest Expense","description":"Amount of noninterest expense classified as other.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":163000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":558000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"PaymentsForProceedsFromLoansAndLeases":{"label":"Payments for (Proceeds from) Loans and Leases","description":"The net cash outflow or inflow for the increase (decrease) in the beginning and end of period of loan and lease balances which are not originated or purchased specifically for resale. Includes cash payments and proceeds associated with (a) loans held-for-investment, (b) leases held-for-investment, and (c) both.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":5931000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":4565000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"PaymentsToAcquireAvailableForSaleSecuritiesDebt":{"label":"Payments to Acquire Debt Securities, Available-for-sale","description":"Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2026-01-01","end":"2026-03-31","val":2288000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"PaymentsToAcquireFederalHomeLoanBankStock":{"label":"Payments to Acquire Federal Home Loan Bank Stock","description":"Amount of cash outflow to acquire Federal Home Loan Bank (FHLB) stock.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":1901000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"}]}},"PaymentsToAcquirePropertyPlantAndEquipment":{"label":"Payments to Acquire Property, Plant, and Equipment","description":"The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":5000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":15000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"ProceedsFromFederalHomeLoanBankBorrowings":{"label":"Proceeds from FHLBank Borrowings, Financing Activities","description":"Amount of cash inflow from Federal Home Loan Bank (FHLBank) borrowing, classified as financing activity.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":9000000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"}]}},"ProceedsFromIssuanceOfCommonStock":{"label":"Proceeds from Issuance of Common Stock","description":"The cash inflow from the additional capital contribution to the entity.","units":{"USD":[{"start":"2026-01-01","end":"2026-03-31","val":21404000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"ProceedsFromIssuanceOfSeniorLongTermDebt":{"label":"Proceeds from Issuance of Senior Long-term Debt","description":"The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":650000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"}]}},"ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities":{"label":"Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale","description":"Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":362000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":1530000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities":{"label":"Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities","description":"The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":3015000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":1013000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"ProceedsFromSaleOfAvailableForSaleSecuritiesDebt":{"label":"Proceeds from Sale of Debt Securities, Available-for-sale","description":"Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":1870000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2025-01-01","end":"2025-12-31","val":1870000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025"},{"start":"2026-01-01","end":"2026-03-31","val":0,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"ProceedsFromSaleOfFederalHomeLoanBankStock":{"label":"Proceeds from Sale of Federal Home Loan Bank Stock","description":"Amount of cash inflow from sale of Federal Home Loan Bank (FHLB) stock.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":1744000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":90000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"ProfessionalFees":{"label":"Professional Fees","description":"A fee charged for services from professionals such as doctors, lawyers and accountants. The term is often expanded to include other professions, for example, pharmacists charging to maintain a medicinal profile of a client or customer.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":118000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":166000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"ProfitLoss":{"label":"Net Income (Loss), Including Portion Attributable to Noncontrolling Interest","description":"The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":133000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":155000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"PropertyPlantAndEquipmentNet":{"label":"Property, Plant and Equipment, Net","description":"Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.","units":{"USD":[{"end":"2025-12-31","val":2509000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":2461000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"ProvisionForLoanLeaseAndOtherLosses":{"label":"Provision for Loan, Lease, and Other Losses","description":"Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":-41000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":99000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"ProvisionForLoanLossesExpensed":{"label":"Financing Receivable, Credit Loss, Expense (Reversal)","description":"Amount of credit loss expense (reversal of expense) for financing receivable.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":-41000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":99000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"RepaymentsOfFederalHomeLoanBankBorrowings":{"label":"Payments of FHLBank Borrowings, Financing Activities","description":"Amount of cash outflow for repayment of Federal Home Loan Bank (FHLBank) borrowing, classified as financing activity.","units":{"USD":[{"start":"2025-01-01","end":"2025-03-31","val":3500000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1"},{"start":"2026-01-01","end":"2026-03-31","val":2000000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"RetainedEarningsAccumulatedDeficit":{"label":"Retained Earnings (Accumulated Deficit)","description":"The cumulative amount of the reporting entity's undistributed earnings or deficit.","units":{"USD":[{"end":"2025-12-31","val":20464000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":20619000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"StockholdersEquity":{"label":"Stockholders' Equity Attributable to Parent","description":"Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.","units":{"USD":[{"end":"2024-12-31","val":18343000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2024Q4I"},{"end":"2025-03-31","val":18677000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q1I"},{"end":"2025-12-31","val":19994000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":39778000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"StockIssuedDuringPeriodValueNewIssues":{"label":"Stock Issued During Period, Value, New Issues","description":"Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.","units":{"USD":[{"start":"2026-01-01","end":"2026-03-31","val":21404000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"TangibleCapital":{"label":"Banking Regulation, Tangible Capital, Actual","description":"Amount of tangible capital as defined by regulatory framework.","units":{"USD":[{"end":"2025-12-31","val":26542000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":34618000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TierOneLeverageCapital":{"label":"Banking Regulation, Tier One Leverage Capital, Actual","description":"Amount of Tier 1 leverage capital as defined by regulatory framework.","units":{"USD":[{"end":"2025-12-31","val":26542000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":34618000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TierOneLeverageCapitalRequiredForCapitalAdequacy":{"label":"Banking Regulation, Tier One Leverage Capital, Capital Adequacy, Minimum","description":"Amount of minimum Tier 1 leverage capital required for capital adequacy as defined by regulatory framework.","units":{"USD":[{"end":"2025-12-31","val":14379000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":15490000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets":{"label":"Banking Regulation, Tier One Leverage Capital Ratio, Capital Adequacy, Minimum","description":"Ratio of minimum Tier 1 leverage capital to average assets required for capital adequacy as defined by regulatory framework.","units":{"pure":[{"end":"2025-12-31","val":0.04,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0.04,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TierOneLeverageCapitalRequiredToBeWellCapitalized":{"label":"Banking Regulation, Tier One Leverage Capital, Well Capitalized, Minimum","description":"Amount of minimum Tier 1 leverage capital categorized as well capitalized as defined by regulatory framework for prompt corrective action.","units":{"USD":[{"end":"2025-12-31","val":17974000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":19363000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TierOneLeverageCapitalRequiredToBeWellCapitalizedToAverageAssets":{"label":"Banking Regulation, Tier One Leverage Capital Ratio, Well Capitalized, Minimum","description":"Ratio of minimum Tier 1 leverage capital to average assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.","units":{"pure":[{"end":"2025-12-31","val":0.05,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0.05,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TierOneLeverageCapitalToAverageAssets":{"label":"Banking Regulation, Tier One Leverage Capital Ratio, Actual","description":"Ratio of Tier 1 capital to average assets as defined by regulatory framework.","units":{"pure":[{"end":"2025-12-31","val":0.0738,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0.0894,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TierOneRiskBasedCapital":{"label":"Banking Regulation, Tier One Risk-Based Capital, Actual","description":"Amount of Tier 1 risk-based capital as defined by regulatory framework.","units":{"USD":[{"end":"2025-12-31","val":26542000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":34618000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TierOneRiskBasedCapitalRequiredForCapitalAdequacy":{"label":"Banking Regulation, Tier One Risk-Based Capital, Capital Adequacy, Minimum","description":"Amount of minimum Tier 1 risk-based capital required for capital adequacy as defined by regulatory framework.","units":{"USD":[{"end":"2025-12-31","val":14974000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":15423000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets":{"label":"Banking Regulation, Tier One Risk-Based Capital Ratio, Capital Adequacy, Minimum","description":"Ratio of minimum Tier 1 risk-based capital to risk-weighted assets required for capital adequacy as defined by regulatory framework.","units":{"pure":[{"end":"2025-12-31","val":0.06,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0.06,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TierOneRiskBasedCapitalRequiredToBeWellCapitalized":{"label":"Banking Regulation, Tier One Risk-Based Capital, Well Capitalized, Minimum","description":"Amount of minimum Tier 1 risk-based capital categorized as well capitalized as defined by regulatory framework for prompt corrective action.","units":{"USD":[{"end":"2025-12-31","val":19965000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":20564000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets":{"label":"Banking Regulation, Tier One Risk-Based Capital Ratio, Well Capitalized, Minimum","description":"Ratio of minimum Tier 1 risk-based capital to risk-weighted assets categorized as well capitalized as defined by regulatory framework for prompt corrective action.","units":{"pure":[{"end":"2025-12-31","val":0.08,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0.08,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TierOneRiskBasedCapitalToRiskWeightedAssets":{"label":"Banking Regulation, Tier One Risk-Based Capital Ratio, Actual","description":"Ratio of Tier 1 risk-based capital to risk-weighted assets as defined by regulatory framework.","units":{"pure":[{"end":"2025-12-31","val":0.1064,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2025Q4I"},{"end":"2026-03-31","val":0.1347,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TimeDepositMaturitiesRemainderOfFiscalYear":{"label":"Time Deposit Maturities, Remainder of Fiscal Year","description":"Amount of time deposit maturing in remainder of current fiscal year. Time deposit includes, but is not limited to, certificate of deposit.","units":{"USD":[{"end":"2026-03-31","val":91778000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TimeDepositMaturitiesYearFive":{"label":"Time Deposit Maturities, Year Five","description":"Amount of time deposit maturing in fifth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2026-03-31","val":4269000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TimeDepositMaturitiesYearFour":{"label":"Time Deposit Maturities, Year Four","description":"Amount of time deposit maturing in fourth fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2026-03-31","val":9249000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TimeDepositMaturitiesYearOne":{"label":"Time Deposit Maturities, Year One","description":"Amount of time deposit maturing in next fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2026-03-31","val":36223000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TimeDepositMaturitiesYearThree":{"label":"Time Deposit Maturities, Year Three","description":"Amount of time deposit maturing in third fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2026-03-31","val":9165000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TimeDepositMaturitiesYearTwo":{"label":"Time Deposit Maturities, Year Two","description":"Amount of time deposit maturing in second fiscal year following current fiscal year. Time deposit includes, but is not limited to, certificate of deposit. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).","units":{"USD":[{"end":"2026-03-31","val":18836000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TimeDeposits":{"label":"Time Deposits","description":"Amount of time deposit liabilities, including certificates of deposit.","units":{"USD":[{"end":"2026-03-31","val":173520000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TimeDepositsWeightedAverageInterestRateMaturitiesYearFive":{"label":"Time Deposits, Weighted Average Interest Rate, Maturities Year Five","description":"Weighted average interest rate for time deposits held by the entity with maturities greater than four years, but five years or less.","units":{"pure":[{"end":"2026-03-31","val":0.0377,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TimeDepositsWeightedAverageInterestRateMaturitiesYearFour":{"label":"Time Deposits, Weighted Average Interest Rate, Maturities Year Four","description":"Weighted average interest rate for time deposits held by the entity with maturities greater than three years, but four years or less.","units":{"pure":[{"end":"2026-03-31","val":0.0386,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TimeDepositsWeightedAverageInterestRateMaturitiesYearOne":{"label":"Time Deposits, Weighted Average Interest Rate, Maturities Year One","description":"Weighted average interest rate for time deposits held by the entity with maturities of one year or less.","units":{"pure":[{"end":"2026-03-31","val":0.0357,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TimeDepositsWeightedAverageInterestRateMaturitiesYearThree":{"label":"Time Deposits, Weighted Average Interest Rate, Maturities Year Three","description":"Weighted average interest rate for time deposits held by the entity with maturities greater than two years, but three years or less.","units":{"pure":[{"end":"2026-03-31","val":0.0433,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"TimeDepositsWeightedAverageInterestRateMaturitiesYearTwo":{"label":"Time Deposits, Weighted Average Interest Rate, Maturities Year Two","description":"Weighted average interest rate for time deposits held by the entity with maturities greater than one year, but two years or less.","units":{"pure":[{"end":"2026-03-31","val":0.0409,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"UnearnedESOPShares":{"label":"Unearned ESOP Shares","description":"Fair value of unearned shares for all classes of common stock and nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by an employee stock ownership plan (ESOP). Includes the sale of shares or the issuance treasury shares to an ESOP.","units":{"USD":[{"end":"2026-03-31","val":1867000,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1I"}]}},"WeightedAverageNumberOfDilutedSharesOutstanding":{"label":"Weighted Average Number of Shares Outstanding, Diluted","description":"The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.","units":{"shares":[{"start":"2026-01-01","end":"2026-03-31","val":2147625,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}},"WeightedAverageNumberOfSharesOutstandingBasic":{"label":"Weighted Average Number of Shares Outstanding, Basic","description":"Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.","units":{"shares":[{"start":"2026-01-01","end":"2026-03-31","val":2147625,"accn":"0001104659-26-062077","fy":2026,"fp":"Q1","form":"10-Q","filed":"2026-05-15","frame":"CY2026Q1"}]}}}}}