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Significant Accounting Policies (Policies) | 12 Months Ended
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Dec. 31, 2022
Accounting Policies [Abstract] |
Cash and Cash Equivalents, Policy [Policy Text Block] | Cash and Cash Equivalents For purposes of the consolidated statements of cash flows, cash and cash equivalents include cash and amounts due from banks.
Interest-bearing Deposits [Policy Text Block] | Interest-Bearing Deposits The Company invests over-night funds in interest-bearing deposits at other banks, including the FHLB, the Federal Reserve and other entities. Interest-bearing deposits are carried at cost.
Marketable Securities, Policy [Policy Text Block] | Securities Certain debt securities that management has the positive intent and ability to hold to maturity may be classified as “held to maturity” and recorded at amortized cost. Trading securities are recorded at fair value with changes in fair value included in earnings. Securities not classified as held to maturity or trading, are classified as “available for sale” and recorded at fair value, with unrealized gains and losses excluded from earnings and reported in other comprehensive loss. The Company uses the interest method to recognize purchase premiums and discounts in interest income over the term of the securities. Gains and losses on the sale of securities are recorded on the trade date and are determined using the specific identification method. The Company follows the accounting guidance related to recognition and presentation of other–than-temporary impairment (“OTTI”). The guidance specifies that if (a) an entity does not have the intent to sell a debt security prior to recovery and (b) it is more likely than not that the entity will not have to sell the debt security prior to recovery, the security would not be considered OTTI, unless there is a credit loss. When criteria (a) and (b) are met, the entity will recognize the credit component of an OTTI of a debt security in earnings and the remaining portion in other comprehensive loss. Equity securities with readily-determinable fair values are measured at fair value using the “exit price notion”. Changes in fair value are recognized in net income. Equity securities without readily-determinable fair values are recorded as other assets at cost less impairment, if any, and adjusted for changes resulting from observable price changes in orderly transactions for identical or similar investment of the same issuer.
Financing Receivable, Held-for-sale [Policy Text Block] | Loans Held for Sale Loans originated and intended for sale in the secondary market are carried at the lower of cost or estimated fair value on an individual loan basis. Net unrealized losses, if any, are recognized through a valuation allowance by charges to income. The Company releases mortgage servicing rights when loans are sold on the secondary market.
Financing Receivable, Held-for-investment [Policy Text Block] | Loans The Company, through its banking subsidiary, provides mortgage, commercial, and consumer loans to customers. Loans that management has the intent and ability to hold for the foreseeable future, or until maturity or payoff, are reported at their outstanding unpaid principal balances adjusted for the allowance for loan losses, any purchase premium or discount, unearned income and deferred fees or costs. Interest income is accrued on the unpaid principal balance. Unearned income on dealer-originated loans and loan origination fees, net of certain direct origination costs, are deferred and recognized as an adjustment of the related loan yield using the interest method. Purchase premium or discount is recognized as an adjustment of the related loan yield using the interest method. The Bank’s loan policy is updated and approved by the Board of Directors annually and disseminated to lending and loan portfolio management personnel to ensure consistent lending practices. The policy communicates the Company’s risk tolerance by prescribing underwriting guidelines and procedures, including approval limits and hierarchy, documentation standards, requirements for collateral and loan-to-value limits, debt coverage, overall creditworthiness and guarantor support. Of primary consideration is the repayment ability of the borrowers and (if secured) the collateral value in relation to the principal balance. Collateral lowers risk and may be used as a secondary source of repayment. The credit decision must be supported by documentation appropriate to the type of loan, including current financial information, income verification or cash flow analysis, tax returns, credit reports, collateral information, guarantor verification, title reports, appraisals (where appropriate) and other documents. The Company’s loans are grouped into six segments: real estate construction, consumer real estate, commercial real estate, commercial non real estate, public sector and IDA, and consumer non-real estate. Each segment is subject to certain risks that influence pricing, loan structures, approval requirements, reserves, and ongoing credit management. Real Estate Construction Loans. Real estate construction loans are subject to general risks from changing commercial building and housing market trends and economic conditions that may impact demand for completed properties and the costs of completion. Completed properties that do not sell or become leased within originally expected timeframes may impact the borrower’s ability to service the debt. Construction loans are underwritten against projected cash flows from rental income, business and/or personal income from an owner-occupant or the sale of the property to an end-user. Associated risks may be mitigated by requiring fixed-price construction contracts, performance and payment bonding, controlled disbursements, and pre-sale contracts or pre-lease agreements. Risks specific to the borrower are also evaluated, including previous repayment history, debt service ability, and current and projected loan-to value ratios for the collateral. Consumer Real Estate Loans. The Bank offers a variety of first mortgage and junior lien loans secured by primary residences within our markets. The credit quality of consumer real estate is subject to risks associated with the borrower’s repayment ability and collateral value. Credit decisions are primarily based on loan-to-value (“LTV”) ratios, debt-to-income (“DTI”) ratios, liquidity and net worth. Income and financial information is obtained from personal tax returns, personal financial statements and employment documentation. A maximum LTV ratio of 80% is generally required. The DTI ratio is limited to 43% of gross income. Consumer real estate mortgages may have fixed interest rates for the entire term of the loan or variable interest rates subject to change after the first, third, or fifth year. Variable rates are based on the weekly average yield of United States Treasury Securities and are underwritten at fully-indexed rates. Home equity loans are secured primarily by second mortgages on residential property. The underwriting policy for home equity loans generally permits aggregate (the total of all liens secured by the collateral property) borrowing availability up to 80% of the appraised value of the collateral. We offer both fixed rate and variable rate home equity loans, with variable rate loans underwritten at fully-indexed rates. Decisions are primarily based on LTV ratios, DTI ratios, liquidity and credit history. We do not offer home equity loan products with reduced documentation. We do not offer certain high risk loan products such as interest-only consumer mortgage loans, hybrid loans, payment option adjustable rate mortgages (“ARMs”), reverse mortgage loans, loans with initial teaser rates or any product with negative amortization. A hybrid loan begins as a fixed rate mortgage and after a set number of years, automatically adjusts to an ARM. Payment option ARMs usually have adjustable rates, for which borrowers choose their monthly payment of either a full payment, interest only, or a minimum payment which may be lower than the payment required to reduce the balance of the loan in accordance with the originally underwritten amortization. Commercial Real Estate Loans. Commercial real estate loans generally are secured by first mortgages on real estate, including multifamily residential real estate, commercial real estate occupied by the owner/borrower, and commercial real estate leased to non-owners. Properties financed include retail centers, office space, hotels and motels, apartments, and industrial properties. Loans in the commercial real estate segment are impacted by economic risks from changing commercial real estate markets, rental markets for multi-family housing and commercial buildings, and economic factors that would impact the businesses housed by the commercial real estate. Underwriting decisions are based upon an analysis of the economic viability of the collateral and creditworthiness of the borrower. The Bank obtains appraisals from qualified certified independent appraisers to establish the value of collateral properties. The loan amount is generally limited to 80% of the lower of cost or appraised value and is individually determined based on the property type, quality, location and financial strength of any guarantors. The property’s projected net cash flows compared to the debt service (often referred to as the “debt service coverage ratio”) is required to be 115% or greater and is computed after deduction for a vacancy factor and property expenses, as appropriate. Borrower cash flow may be supplemented by a personal guarantee from the principal(s) of the borrower and guarantees from other parties. The Bank may employ stress testing techniques on higher balance loans to determine repayment ability in a changing rate environment before granting loan approval. The Bank requires title insurance, fire, extended coverage casualty insurance and flood insurance, if appropriate, in order to protect the security interest in the underlying property. Commercial Non Real Estate Loans. Commercial non real estate loans are secured by collateral other than real estate, or are unsecured. Credit risk for commercial non real estate loans is subject to economic conditions, borrower repayment ability and collateral value (if secured). Commercial and agricultural loans primarily finance equipment acquisition, expansion, working capital, and other general business purposes. Because these loans have a higher degree of risk, the Bank generally obtains collateral such as inventory, accounts receivables or equipment and personal guarantees from the borrowing entity’s principal owners. The Bank’s policy limits lending up to 60% of the appraised value for inventory, up to 90% of the lower of cost of market value of equipment and up to 70% for accounts receivables less than 90 days old. Credit decisions are based upon an assessment of the financial capacity of the applicant, including the primary borrower’s ability to repay within proposed terms, a risk assessment, financial strength of guarantors and adequacy of collateral. Credit agency reports of individual owners’ credit history supplement the analysis. Public Sector and IDA Loans. Public sector and IDA loans are extended to municipalities and related entities within the Bank’s geographical footprint. Borrowers include general taxing authorities such as a city or county, industrial/economic development authorities or utility authorities. Credit risk stems from the entity’s ability to repay through either a direct obligation or assignment of specific revenues from an enterprise or other economic activity. Repayment sources are derived from taxation, such as property taxes and sales taxes, or revenue from the project financed with the loan. The Company’s underwriting considers economic and population trends of the municipality and the municipality’s reserves, pension liabilities and other liabilities. Consumer Non-Real Estate Loans. Consumer non-real estate includes credit cards, automobile and other consumer loans. Credit cards and certain other consumer loans are unsecured, while collateral is obtained for automobile loans and other consumer loans. Credit risk stems primarily from the borrower’s ability to repay. Our procedures for underwriting consumer loans include an assessment of an applicant’s overall financial capacity, including credit history and the ability to meet existing obligations and payments on the proposed loan. If the loan is secured by an automobile or other collateral, the underwriting process also includes a comparison of the value of the collateral security to the proposed loan amount. We require borrowers to maintain collision insurance on loans secured by automobiles. TDRs Loan modifications are reviewed at the time of modification to determine whether the loan should be designated as TDR. When the Company grants a concession to a borrower for economic or legal reasons related to a borrower’s financial condition, the loan is classified as a TDR. When the Company grants a subsequent modification to a loan that had previously been modified but not designated as a TDR, it considers whether the totality of the accommodations amount to a concession that, along with the evaluation of borrower financial difficulty, indicate TDR status. Concessions may include reduction of the interest rate, extension of the maturity date at an interest rate lower than the current market rate for a new loan with similar risk, forgiveness of principal or accrued interest or other actions intended to minimize the economic loss. TDRs may be removed from TDR status if the restructuring agreement specifies a contractual interest rate that is a market interest rate at the time of restructuring and the loan is in compliance with its modified terms one year after the restructure was completed. Past due status and nonaccrual designation A loan is considered past due when a payment of principal and/or interest is due but not paid. Credit card payments not received within 30 days after the statement date, real estate loan payments not received within the payment cycle and all other non-real estate secured loans for which payment is not made within the required payment cycle are considered 30 days past due. Management closely monitors loans past due 30-89 days and loans past due 90 or more days. The Company considers multiple factors when determining whether to discontinue accrual of interest on individual loans. Generally loans are placed in nonaccrual status when collection of interest and/or full principal is considered doubtful. Interest accrual is discontinued at the time a commercial real estate loan or commercial non real estate loan is 90 days delinquent unless the credit is well secured and in the process of collection. Loans modified to provide relief from payments of interest or principle for more than 90 days are designated nonaccrual. Accrued interest is reversed against income when a loan is placed in nonaccrual status. Any interest payments received during a loan’s nonaccrual period are credited to the principal balance of the loan. Loans in nonaccrual are reviewed on an individual loan basis to determine whether they may return to accrual status. To return to accrual status, the Company’s evaluation must determine that the underlying cause of the original delinquency or weakness has been resolved, such as receipt of new guarantees and/or increased cash flows that cover the debt service, and that future payments are reasonably assured. Nonaccrual loans that are not TDR are returned to accrual status when all the principal and interest amounts contractually due are current and future payments are reasonably assured. Nonaccrual TDR loans may return to accrual status after six months of timely repayment performance. Charge-off policy The Company’s charge-off policy meets or is more stringent than the minimum standards required by regulators. When available information confirms that a specific loan or a portion thereof, within any loan class, is uncollectible the amount is charged off against the allowance for loan losses. Additionally, losses on consumer real estate and consumer non-real estate loans are typically charged off no later than when the loans are 120-180 days past due, and losses on loans secured by residential real estate or by commercial real estate are charged off by the time the loans reach 180 days past due, in compliance with regulatory guidelines. Accordingly, secured loans may be charged down to the estimated value of the collateral, with previously accrued unpaid interest reversed. Subsequent charge-offs may be required as a result of changes in the market value of collateral or other repayment prospects.
Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block] | Allowance for Loan Losses The allowance for loan losses is an estimate of probable losses inherent in the loan portfolio. The allowance is funded by the provision for loan losses, reduced by charge-offs of loans and increased by recoveries of previously charged-off loans. The determination of the allowance is based on two accounting principles, Accounting Standards Codification (“ASC”) Topic 450-20 (Contingencies) which requires that losses be accrued when occurrence is probable and the amount of the loss is reasonably estimable, and ASC Topic 310-10 (Receivables) which requires accrual of losses on impaired loans if the recorded investment exceeds fair value. The Company evaluates the allowance each quarter through a methodology that estimates losses on individual impaired loans and evaluates the effect of numerous factors on the credit risk of groups of homogeneous loans ("collectively evaluated loans"). Impaired loans Impaired loans are larger non-homogeneous loans for which there is a probability that collection of principal or interest will not occur according to the contractual terms of the loan agreement, as well as loans whose terms have been modified in a TDR. The Company performs ongoing analysis of the loan portfolio to determine credit quality on an individual loan basis and to identify impaired loans. Generally, impaired loans have risk ratings that indicate higher risk, such as “classified” or “special mention.” Nonaccrual loan relationships that meet the Company’s balance threshold of $250 are designated impaired. Other loan relationships that meet the Company’s balance threshold of $250 and for which a credit review identified a weakness that indicates principal and interest will not be collected according to the loan terms. All TDRs, regardless of size or past due status are designated impaired. Impaired loan measurement methods Impaired loans are individually evaluated to determine appropriate reserves and are measured at the lower of the invested amount or the fair value. Fair value of impaired loans is estimated by either the present value of the loan’s expected future cash flows (“cash flow method”) or the estimated fair value, less selling costs, of the underlying collateral (“collateral method”). Cash flow method: The cash flow method is applied to loans that are not collateral dependent and for which cash flows may be estimated. The cash flow method measures fair value using assumptions specific to each loan, including expected amount and timing of cash flows and discount rate. For TDR loans, the discount rate is the rate immediately prior to the modification that resulted in a TDR. If an impaired loan evaluated under the cash flow method becomes 90 days or more past due, it is examined to determine whether the late payment indicates collateral dependency or cash flows below those that were used in the fair value measurement. Collateral method: The collateral method is applied to impaired loans that are collateral-dependent, for which foreclosure is imminent or for which non-collateral repayment sources are determined not to be available or reliable. Collateral may be in the form of real estate or business assets including equipment, inventory, and accounts receivable. Fair value is based upon the “as-is” value of independent appraisals or evaluations. Impaired loans secured by residential 1-4 family properties with outstanding principal balances greater than $250 are valued using an appraisal. Appraisals are also used to value impaired loans secured by commercial real estate with outstanding principal balances greater than $500. Impaired loans secured by residential 1-4 family property with outstanding principal balances of $250 or less, or secured by commercial real estate with outstanding principal balances of $500 or less, are valued using a real estate evaluation prepared by a third party. Appraisals must conform to the Uniform Standards of Professional Appraisal Practice and are prepared by an independent third-party appraiser who is certified and licensed and who is approved by the Company. Appraisals may incorporate market analysis, comparable sales analysis, cash flow analysis and market data pertinent to the property to determine market value. Evaluations are prepared by third party providers and reviewed by employees of the Company who are independent of the loan origination, operation, management and collection functions. Evaluations provide a property’s market value based on the property’s current physical condition and characteristics and the economic market conditions that affect the collateral’s market value. Multiple sources of data contribute to the estimate of market value, including physical inspection, independent third-party automated tools, comparable sales analysis and local market information. Updated appraisals or evaluations are ordered when a loan becomes impaired if the appraisal or evaluation on file is more than 24 months old. Appraisals and evaluations are reviewed for propriety and reasonableness and may be discounted if the Company determines that the value exceeds reasonable levels. If an updated appraisal or evaluation has been ordered but has not been received by a reporting date, the fair value may be based on the most recent available appraisal or evaluation, discounted for age. The appraisal or evaluation value is reduced by selling costs if recovery is expected solely from the sale of collateral. Results of fair value measurement The estimated fair value is compared with the loan’s recorded investment (unpaid principal net of any interest payments made during the nonaccrual period and net of any partial charge-offs, accrued interest and deferred fees and costs). Any amount of recorded investment that exceeds estimated fair value on collateral-dependent loans, as well as any other impairment loss considered uncollectible, is charged against the allowance for loan losses. Fair value shortfalls that are not considered uncollectible for loans that are not collateral-dependent are accrued in the allowance as specific reserves. Impaired loans for which collection of interest or principal is in doubt are placed in nonaccrual status. If fair value of an impaired loan is higher than the book value, no specific reserve is recorded, and the loan remains impaired as long as analysis indicates that collection of the loan will not occur according to the contractual terms of the loan agreement. Nonaccrual status of impaired loans Nonaccrual status is applied to impaired loans that are not TDRs and for which fair value measurement indicates an impairment loss. Nonaccrual status is applied to TDRs that allow the borrower to discontinue payments of principal or interest for more than 90 days, unless the modification provides reasonable assurance of repayment performance and collateral value supports regular underwriting requirements. TDRs that maintain current status for at least a six-month period, including history prior to restructuring, may accrue interest. Impaired loans with partial charge-offs are maintained as impaired until the remaining balance is satisfied. Collectively evaluated loans General allowances are established for collectively evaluated loans. Collectively evaluated loans are grouped into classes based on similar characteristics. Factors considered in determining general allowances include historical loss rates, credit quality indicators, and qualitative factors. Loss rates Loss rates are calculated for and applied to individual classes by averaging loss rates over the most recent eight quarters. The loss rate calculation for each class includes losses and recoveries on all loans within the class, including TDRs and other impaired loans. The look-back period of eight quarters is applied consistently among all classes. Two loss rates for each class are calculated: total net charge-offs for the class as a percentage of average class loan balance (“class loss rate”), and total net charge-offs for the class as a percentage of average classified loans in the class (“classified loss rate”). Net charge-offs in both calculations include charge-offs and recoveries for all loans within the class, including classified and non-classified loans, as well as impaired and TDR loans. Class historical loss rates are applied to collectively evaluated pass-rated loan balances and special mention rated loan balances, and classified historical loss rates are applied to collectively evaluated classified loan balances. Credit quality indicators Credit quality indicators, which the Company terms risk grades, are assigned through the Company’s credit review function for larger loans and selective review of loans that fall below credit review thresholds. Credit quality is rated based on the loan’s payment history, the borrower’s current financial situation and value of the underlying collateral. Loans that do not indicate heightened risk are graded as “pass.” Loans that appear to have elevated credit risk because of frequent or persistent past due status, which is less than 75 days, or that show weakness in the borrower’s financial condition are risk graded “special mention.” Loans with frequent or persistent delinquency exceeding 75 days or that have a higher level of weakness in the borrower’s financial condition are graded “classified.” Classified loans have regulatory risk ratings of “substandard” and “doubtful.” Qualitative factor allocations The analysis of certain factors results in standard allocations to all classes. These factors include the risk from changes in lending policies, loan officers’ experience, changes in loan review, and economic factors including local unemployment levels, local bankruptcy rates, interest rate environment, and competition/legal/regulatory environments. Standard allocations for residential vacancy rates and housing inventory are applied to all real-estate secured classes and state and political subdivision loans. Qualitative factors incorporate economic data targeted to the Company’s market. If market–specific information is not available on a timely basis, regional or national information that historically shows a high degree of correlation to market data may be used. In 2021, the Company applied to all segments and classes an economic factor implemented to address COVID-19 uncertainty: national unemployment filings. Local unemployment filings are closely correlated to national unemployment filings and presented real-time data that was not available with local unemployment data. After a sustained period of pre-pandemic levels of national unemployment filings, the Company removed the factor in 2022. Factors analyzed for each class, with resultant allocations based upon the level of risk assessed for each class, include levels of past due loans, levels of nonaccrual loans, current class balance as a percentage of total loans, and the percentage of high risk loans within the class. High risk loans include junior liens, interest only and high loan to value loans. High risk loans within each class are analyzed and allocated additional reserves based on current trends. Allocations for qualitative factors are determined for pass-rated loans. To reflect the increased risk of criticized assets, qualitative factor allocations are multiplied by 150% for special mention loans, and multiplied by 200% for classified loans. Sales, purchases and reclassification of loans The Company finances consumer real estate mortgages under “best efforts” contracts with mortgage purchasers. The mortgages are designated as held for sale upon initiation. There have been no major reclassifications from portfolio loans to held for sale. Mortgages held for sale are not included in the calculation of the allowance for loan losses. Occasionally, the Company purchases or sells participations in loans. All participation loans purchased met the Company’s normal underwriting standards at the time the participation was entered. Participation loans are included in the appropriate portfolio balances to which the allowance methodology is applied. Unallocated surplus In addition to funding the allowance for loan losses based upon data analysis, the Company has the option to fund an unallocated surplus in excess to the calculated requirement, based upon management judgement. The Company’s policy permits an unallocated surplus of between 0% and 5% of the calculated requirement. Estimation of the allowance for loan losses The estimation of the allowance involves analysis of internal and external variables, methodologies, assumptions and management’s judgment and experience. Key judgments used in determining the allowance for loan losses include internal risk rating determinations, market and collateral values, discount rates, loss rates, and management’s assessment of current economic conditions. These judgments are inherently subjective and actual losses could be greater or less than the estimate. Future estimates of the allowance could increase or decrease based on changes in the financial condition of individual borrowers, concentrations of various types of loans, economic conditions or the markets in which collateral may be sold. The estimate of the allowance accrual determines the amount of provision expense and directly affects our financial results. Please see Note 5 for additional information.
Rate Lock Commitments [Policy Text Block] | Rate Lock Commitments The Company enters into commitments to originate mortgage loans in which the interest rate on the loan is determined prior to funding (rate lock commitments). Rate lock commitments on mortgage loans that are intended to be sold are considered to be derivatives. The period of time between issuance of a loan commitment and closing and sale of the loan generally ranges from 30 to 60 days. The Company protects itself from changes in interest rates through the use of best efforts forward delivery commitments, by committing to sell a loan at the time the borrower commits to an interest rate with the intent that the buyer has assumed interest rate risk on the loan. As a result, the Company is not exposed to losses nor will it realize significant gains related to its rate lock commitments due to changes in interest rates. The correlation between the rate lock commitments and the best efforts contracts is very high due to their similarity. The market value of rate lock commitments and best efforts contracts is not readily ascertainable because rate lock commitments and best effort contracts are not actively traded in stand-alone markets. The Company determines the fair value of rate lock commitments and best efforts contracts by measuring the changes in the value of the underlying assets while taking into consideration the probability that the rate lock commitments will close. Because of the high correlation between rate lock commitments and best efforts contracts, no gain or loss occurs on the rate lock commitments.
Property, Plant and Equipment, Policy [Policy Text Block] | Premises and Equipment Land is carried at cost. Premises and equipment are stated at cost, net of accumulated depreciation. Depreciation is charged to expense over the estimated useful lives of the assets on the straight-line basis. Depreciable lives include 40 years for premises, 3-10 years for furniture and equipment, and 3 years for computer software. Costs of maintenance and repairs are charged to expense as incurred and improvements are capitalized.
Financing Receivable, Real Estate Acquired Through Foreclosure [Policy Text Block] | Other Real Estate Owned Real estate acquired through or in lieu of foreclosure is held for sale and is initially recorded at fair value less estimated costs to sell at the date of foreclosure, establishing the cost basis of the asset. Subsequent to foreclosure, valuations are periodically performed by management and the assets are carried at the lower of carrying amount or fair value less estimated costs to sell. Revenue and expenses from operations and changes in the valuation allowance are included in other operating expenses.
Goodwill and Intangible Assets, Policy [Policy Text Block] | Goodwill The Company records as goodwill the excess of purchase price over the fair value of the identifiable net assets acquired. Goodwill is subject to at least an annual assessment for impairment by applying a fair value based test. The Company contracts with a third party valuation expert to perform annual testing as of September 30 of each fiscal year. The impairment test for 2022 incorporated data as of September 30, 2022. Accounting guidance provides the option of performing preliminary assessment of qualitative factors to determine whether impairment testing is necessary. The Company opted not to perform the preliminary assessment. The Company’s goodwill impairment analysis considered three valuation techniques appropriate to the measurement. The first technique uses the Company’s market capitalization as an estimate of fair value, the second technique estimates fair value using current market pricing multiples for companies comparable to NBI, while the third technique uses current market pricing multiples for change-of-control transactions involving companies comparable to NBI. Certain key judgments were used in the valuation measurement. Goodwill is held by the Company’s bank subsidiary. The bank subsidiary is 100% owned by the Company, and no market capitalization is available. Because most of the Company’s assets are comprised of the bank subsidiary’s equity, the Company’s market capitalization was used to estimate the Bank’s market capitalization. Other judgments include the assumption that the companies and transactions used as comparables for the second and third techniques were appropriate to the estimate of the Company’s fair value, and that the comparable multiples are appropriate indicators of fair value, and compliant with accounting guidance. Based upon data at September 30, 2022, each measure indicated that the Company’s fair value exceeded its book value and no impairment was indicated.
Pension and Other Postretirement Plans, Pensions, Policy [Policy Text Block] | Pension Plan The Company recognizes the overfunded or underfunded status of a defined benefit postretirement plan as an asset or liability in its statement of financial position and recognizes changes in that funded status in the year in which the changes occur through other comprehensive loss. The funded status of a benefit plan is measured as the difference between plan assets at fair value and the projected benefit obligation. The Company’s actuary determines plan obligations and annual pension expense using a number of key assumptions, including the discount rate, the estimated return on plan assets and the anticipated rate of compensation increases. Changes in these assumptions in the future, if any, or in the method under which benefits are calculated may impact pension assets, liabilities or expense.
Income Tax, Policy [Policy Text Block] | Income Taxes Income tax accounting guidance results in two components of income tax expense: current and deferred. Current income tax expense reflects taxes to be paid for the current period by applying the provisions of the enacted tax law to the taxable income or excess of deductions over revenues. The Company determines deferred income taxes using the asset and liability (or balance sheet) method. Under this method, the net deferred tax asset or liability is based on the tax effects of the differences between the book and tax bases of assets and liabilities, and enacted changes in tax rates and laws are recognized in the period in which they occur. Deferred income tax expense results from changes in deferred tax assets and liabilities between periods. Deferred tax assets are recognized if it is more likely than not, based on the technical merits, that the tax position will be realized or sustained upon examination. The term more likely than not means a likelihood of more than 50 percent; the terms examined and upon examination also include resolution of the related appeals or litigation processes, if any. A tax position that meets the more-likely-than-not recognition threshold is initially and subsequently measured as the largest amount of tax benefit that has a greater than 50 percent likelihood of being realized upon settlement with a taxing authority that has full knowledge of all relevant information. The determination of whether or not a tax position has met the more-likely-than-not recognition threshold considers the facts, circumstances and information available at the reporting date and is subject to management’s judgment. Deferred tax assets are reduced by a valuation allowance if, based on the weight of evidence available, it is more likely than not that some portion or all of a deferred tax asset will not be realized. The Company recognizes interest and penalties on income taxes as a component of income tax expense.
Trust Assets and Income [Policy Text Block] | Trust Assets and Income Assets (other than cash deposits) held by NBB’s Trust Department in a fiduciary or agency capacity for customers are not included in the consolidated financial statements since such items are not assets of the Company. Trust income is recognized on the accrual basis.
Earnings Per Share, Policy [Policy Text Block] | Earnings Per Common Share Basic earnings per common share represents income available to common stockholders divided by the weighted-average number of common shares outstanding during the period. During 2022 and 2021, there were no potential common shares outstanding. The following shows the weighted average number of shares used in computing earnings per common share for the years indicated.
|  | 2022 |  |  | 2021 |
Average number of common shares outstanding |  |  | 5,989,601 |  |  |  | 6,209,929 |
Commitments and Contingencies, Policy [Policy Text Block] | Loss Contingencies Loss contingencies, including claims and legal actions arising in the ordinary course of business are recorded as liabilities when the likelihood of loss is probable and reasonably estimated. Management does not believe there are such matters that will have a material effect on the consolidated financial statements.
Advertising Cost [Policy Text Block] | Advertising The Company charges advertising costs to expenses as incurred. Advertising expenses were $163 for the year ended December 31, 2022 and $112 for the year ended December 31, 2021.
Revenue [Policy Text Block] | Revenue Recognition The Company accounts for revenue associated with financial instruments, including loans and securities via the accrual method. The Company recognizes noninterest income when it satisfies commitments to customers. Please refer to Note 18: Revenue Recognition.
Use of Estimates, Policy [Policy Text Block] | Use of Estimates In preparing consolidated financial statements in conformity with GAAP, management is required to make estimates and assumptions that affect the reported amounts of assets and liabilities as of the date of the consolidated balance sheet and reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates. Material estimates that are particularly susceptible to significant change in the near term relate to the determination of the allowance for loan losses, evaluation of impairment of goodwill, and pension obligations.
Reclassification, Comparability Adjustment [Policy Text Block] | Reclassifications Certain amounts reported in prior years have been reclassified to conform to the current year’s presentation. These reclassifications had no effect on the Company’s net income or stockholders’ equity.
New Accounting Pronouncements, Policy [Policy Text Block] | Recent Accounting Pronouncements ASU 2016-13 In June 2016, the FASB issued Accounting Standards Update (“ASU”) No. 2016-13, “Financial Instruments – Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments.” The ASU, as amended, requires an entity to measure expected credit losses for financial assets carried at amortized cost based on historical experience, current conditions, and reasonable and supportable forecasts. Among other things, the ASU also amended the impairment model for available for sale securities and addressed purchased financial assets with deterioration. On January 1, 2023, the Company adopted ASU No. 2016-13 and related ASUs, in accordance with the required implementation date, and applied the standard’s provisions as a cumulative-effect adjustment to retained earnings as of January 1, 2023. Subsequent to adoption, the Company will record adjustments to its allowance(s) for credit losses and reserve for unfunded commitments through the provision for credit losses in the consolidated statements of income. In future filings, results for reporting periods beginning after January 1, 2023 will be presented under Topic 326, while periods prior to January 1, 2023 will be reported in accordance with GAAP applicable at the time period. Upon adoption, the allowance for credit losses on loans increased from $8,225 to $10,567 and the reserve for unfunded commitments increased from $35 to $242. Based upon the nature and characteristics of our securities portfolios (including issuer specific matters) at the adoption date, macroeconomic conditions and forecasts at that date, and other management judgments, adoption did not result in an allowance for credit losses on available for sale securities. The increase to allowance for credit losses and reserve for unfunded commitments, net of tax, decreased retained earnings by $2,014 as of January 1, 2023. The Company engaged a third-party model to tabulate its estimate of current expected credit losses, applying a probability of default/loss given default driven discounted cashflow methodology, with default defined as full or partial charge-off, nonaccrual status or past due 90 days or more. In accordance with ASC 326, the Company has segmented its loan portfolio based on similar risk characteristics, using call report code and risk rating. The Company designated national unemployment as its forecast variable. Multiple forecasts from reputable and independent third parties are sourced to inform the Company’s reasonable and supportable forecasting of current expected credit losses. The forecast is applied over a forecast horizon selected by management at each reporting date, typically of one year and not to exceed two years, after which loss rates revert to long term historical loss experience on a straight line basis. To further adjust the allowance for credit losses for expected losses not already included within the quantitative component of the calculation, the Company considers the following qualitative adjustment factors: changes in lending policies and procedures, changes in economic conditions, changes in the nature and volume of the loan portfolio, changes in lending management’s experience, changes in the volume and severity of past due loans, changes in the loan review system, changes in concentrations of credit, and the effect of competition, legal and regulatory requirements. The Company’s CECL implementation process was overseen by a management committee which included the CFO, Controller, Chief Credit Officer and SVP of Credit Administration and reported to the Company’s Enterprise Risk Management Committee. The implementation process included an assessment of data availability and gap analysis, data collection, consideration and analysis of multiple loss estimation methodologies, an assessment of relevant qualitative factors and correlation analysis of multiple potential loss drivers and their impact on the Company’s historical loss experience. During 2022, the Company calculated its current expected credit losses model in parallel to its incurred loss model in order to further refine the methodology and model. In addition, the Company engaged a third-party to perform a comprehensive model validation. SAB 119 Effective November 25, 2019, the SEC adopted Staff Accounting Bulletin (“SAB”) 119. SAB 119 updated portions of SEC interpretative guidance to align with FASB ASC 326, “Financial Instruments – Credit Losses.” It covers topics including (1) measuring current expected credit losses; (2) development, governance, and documentation of a systematic methodology; (3) documenting the results of a systematic methodology; and (4) validating a systematic methodology. ASU 2022-03 In June 2022, the FASB issued ASU 2022-03, “Fair Value Measurement (Topic 820): Fair Value Measurement of Equity Securities Subject to Contractual Sale Restrictions”. ASU 2022-03 clarifies that a contractual restriction on the sale of an equity security is not considered part of the unit of account of the equity security and, therefore, is not considered in measuring fair value. The ASU is effective for fiscal years, including interim periods within those fiscal years, beginning after December 15, 2023. Early adoption is permitted. The Company does not expect the adoption of ASU 2022-03 to have a material impact on its consolidated financial statements. ASU 2022-02 In March 2022, the FASB issued ASU No. 2022-02, “Financial Instruments-Credit Losses (Topic 326), Troubled Debt Restructurings and Vintage Disclosures.” ASU 2022-02 addresses areas identified by the FASB as part of its post-implementation review of the credit losses standard (ASU 2016-13) that introduced the CECL model. The amendments eliminate the accounting guidance for TDRs by creditors that have adopted the CECL model and enhance the disclosure requirements for loan refinancings and restructurings made with borrowers experiencing financial difficulty. In addition, the amendments require a public business entity to disclose current-period gross write-offs for financing receivables and net investment in leases by year of origination in the vintage disclosures. The amendments in this ASU should be applied prospectively, except for the transition method related to the recognition and measurement of TDRs, an entity has the option to apply a modified retrospective transition method, resulting in a cumulative-effect adjustment to retained earnings in the period of adoption. For entities that have adopted ASU 2016-13, ASU 2022-02 is effective for fiscal years beginning after December 15, 2022, including interim periods within those fiscal years. For entities that have not yet adopted ASU 2016-13, the effective dates for ASU 2022-02 are the same as the effective dates in ASU 2016-13. Early adoption is permitted if an entity has adopted ASU 2016-13. An entity may elect to early adopt the amendments about TDRs and related disclosure enhancements separately from the amendments related to vintage disclosures. The Company is currently assessing the impact that ASU 2022-02 will have on its consolidated financial statements. ASU 2020-04 In March 2020, the FASB issued ASU No. 2020-04 “Reference Rate Reform (Topic 848): Facilitation of the Effects of Reference Rate Reform on Financial Reporting.” These amendments provide temporary optional guidance to ease the potential burden in accounting for reference rate reform. The ASU provides optional expedients and exceptions for applying generally accepted accounting principles to contract modifications and hedging relationships, subject to meeting certain criteria, that reference LIBOR or another reference rate expected to be discontinued. It is intended to help stakeholders during the global market-wide reference rate transition period. The guidance is effective for all entities as of March 12, 2020 through December 31, 2022. Subsequently, in January 2021, the Financial Accounting Standards Board (FASB) issued Accounting Standards Update (ASU) No. 2021-01 “Reference Rate Reform (Topic 848): Scope.” This ASU clarifies that certain optional expedients and exceptions in Topic 848 for contract modifications and hedge accounting apply to derivatives that are affected by the discounting transition. The ASU also amends the expedients and exceptions in Topic 848 to capture the incremental consequences of the scope clarification and to tailor the existing guidance to derivative instruments affected by the discounting transition. An entity may elect to apply ASU No. 2021-01 on contract modifications that change the interest rate used for margining, discounting, or contract price alignment retrospectively as of any date from the beginning of the interim period that includes March 12, 2020, or prospectively to new modifications from any date within the interim period that includes or is subsequent to January 7, 2021, up to the date that financial statements are available to be issued. An entity may elect to apply ASU No. 2021-01 to eligible hedging relationships existing as of the beginning of the interim period that includes March 12, 2020, and to new eligible hedging relationships entered into after the beginning of the interim period that includes March 12, 2020. The Company has a small number of participation loans that reference LIBOR. The Company is working with the primary banks to determine appropriate actions.

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- Definition Disclosure of accounting policy for computing basic and diluted earnings or loss per share for each class of common stock and participating security. Addresses all significant policy factors, including any antidilutive items that have been excluded from the computation and takes into account stock dividends, splits and reverse splits that occur after the balance sheet date of the latest reporting period but before the issuance of the financial statements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3630-109257 + Details
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- Definition Disclosure of accounting policy for goodwill and intangible assets. This accounting policy also may address how an entity assesses and measures impairment of goodwill and intangible assets. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition Disclosure of accounting policy for estimating the allowance for losses on loans and lease receivables. The disclosure may include (a) how the entity determines each element of the allowance, (b) which loans are evaluated individually and which loans are evaluated as a group, (c) how the entity determines both the allocated and unallocated portions of the allowance, (d) how the entity determines the loss factors applied to graded loans in order to develop a general allowance, and (e) what self-correcting mechanism the entity uses to reduce differences between estimated and actual losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 9 -URI https://asc.fasb.org/extlink&oid=123577603&loc=d3e5144-111524 + Details
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- Definition Disclosure of accounting policy for pension plans. This accounting policy may address (1) the types of plans sponsored by the entity (2) groups that participate in (or are covered by) each plan (3) how plan assets, liabilities and expenses are measured, including the use of any actuaries and (4) significant assumptions used by the entity to value plan assets and liabilities and how such assumptions are derived. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6412939&loc=d3e15145-114933 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=65877416&loc=d3e29149-114947 + Details
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