Note 2 - Basis of Presentation and Summary of Significant Accounting Policies	6 Months Ended
Jun. 30, 2022
Notes to Financial Statements
Basis of Presentation and Significant Accounting Policies [Text Block]	NOTE 2 - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Basis of Presentation The accompanying unaudited consolidated financial statements and notes thereto of the Company have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission (“SEC”) for Form 10-Q and conform to practices within the banking industry and include all of the information and disclosures required by accounting principles generally accepted in the United States of America (“GAAP”) for interim financial reporting. The accompanying unaudited consolidated financial statements reflect all adjustments (consisting only of normal recurring adjustments), which are necessary for a fair presentation of financial results for the interim periods presented. The results of operations for the three months and the six months ended June 30, 2022 are not necessarily indicative of the results for the full year. These interim unaudited financial statements should be read in conjunction with the audited consolidated financial statements and the notes thereto as of and for the year ended December 31, 2021, included in our Annual Report filed on Form 10-K for the fiscal year ended December 31, 2021 and Amendment No. 1 to the Annual Report on Form 10-K/A (collectively our “2021 Annual Report”). Use of Estimates in the Preparation of Financial Statements The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. It is reasonably possible our estimate of the allowance for loan losses could change as actual results could differ from those estimates. Summary of Significant Accounting Policies The accompanying unaudited consolidated financial statements were compiled in accordance with the accounting policies set forth in Note 2 – Basis of Presentation and Summary of Significant Policies in our Consolidated Financial Statements as of and for the year ended December 31, 2021, included in our 2021 Annual Report. The Financial Accounting Standards Board ("FASB") issues Accounting Standards Updates ("ASU" or “Update”) and Accounting Standards Codifications (“ASC”), which are the primary source of GAAP. Recent Accounting Pronouncements When RBB conducted its initial public offering (“IPO”) in 2017, we qualified as an emerging growth company (“EGC”). We will remain an EGC until the earliest of (i) the end of the fiscal year during which we have total annual gross revenues of $1.0 billion or more, (ii) the end of the fiscal year following the fifth anniversary of the completion of our IPO, (iii) the date on which we have, during the previous three-year period, issued more than $1.0 billion in non-convertible debt and (iv) the date on which we are deemed to be a “large accelerated filer” under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). We anticipate no longer qualifying as an EGC on December 31, 2022. EGCs are entitled to reduced regulatory and reporting requirements under the Securities Act of 1933, as amended (the “Securities Act”), and the Exchange Act, as compared to public business entities ("PBE"). In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). The most significant change for lessees is the requirement under the new guidance to recognize right-of-use assets and lease liabilities for all leases not considered short-term leases, which is generally defined as a lease term of less than 12 months. This change will result in lessees recognizing right-of-use assets and lease liabilities for most leases currently accounted for as operating leases under current lease accounting guidance. Under the new guidance, the Company recognized on the Consolidated Balance Sheets right-of-use assets with a corresponding lease liability. The Company early adopted this ASU on January 1, 2021 and recorded the right-of-use asset and lease liability of approximately $26.8 million. In June 2016, the FASB issued ASU 2016-13, Measurement of Credit Losses on Financial Instrument (Topic 326), including subsequent amending ASUs. This ASU significantly changes how entities will measure credit losses for most financial assets and certain other instruments that are not measured at fair value through net income. The standard will replace today's "incurred loss" approach with an "expected loss" model. The new model, referred to as the current expected credit loss ("CECL") model, will apply to: (1) financial assets subject to credit losses and measured at amortized cost, and (2) certain off-balance sheet credit exposures. This includes, but is not limited to, loans, leases, held to maturity securities, loan commitments, and financial guarantees. For available for sale (“AFS”) debt securities with unrealized losses, entities will measure credit losses in a manner similar to what they do today, except that the losses will be recognized as allowances rather than reductions in the amortized cost of the securities. ASU 2016-13 also expands the disclosure requirements regarding an entity's assumptions, models, and methods for estimating the allowance for loan and lease losses. In addition, public business entities will need to disclose the amortized cost balance for each class of financial asset by credit quality indicator, disaggregated by the year of origination. ASU 2016-13 was originally proposed to be effective for interim and annual reporting periods for an emerging growth company beginning after December 15, 2020, but was subsequently extended until December 31, 2022. Entities will apply the standard's provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective (i.e., modified retrospective approach). The CECL implementation project team of the Company is currently working with an outside firm to develop an econometric regression model. The Company expects to have an independent third party validation of the CECL model in the second half of 2022. Management currently believes based on its preliminary model that a one-time cumulative adjustment will be made to the Company's allowance for credit losses which will be recorded through retained earnings upon adoption of ASU 2016-13 on December 31, 2022. In February 2019, the U.S. federal bank regulatory agencies approved a final rule modifying their regulatory capital rules and providing an option to phase in over a three year period the day-one adverse regulatory capital effects of ASU 2016-13. Additionally, in March 2020, the U.S. federal bank regulatory agencies issued an interim final rule that provides banking organizations an option to delay the estimated CECL impact on regulatory capital for an additional two years for a total transition period of up to five years to provide regulatory relief to banking organizations to better focus on supporting lending to creditworthy households and businesses in light of recent strains on the U.S. economy as a result of the novel coronavirus disease 2019 ("COVID-19") pandemic. As a result, entities will have the option to gradually phase in the full effect of CECL on regulatory capital over a five-year transition period. Currently, RBB does not expect to take the option to phase in the regulatory capital effects of CECL and, instead, will reflect the effects to its regulatory capital upon adoption on December 31, 2022. In January 2017, the FASB issued ASU 2017-04, Intangibles—Goodwill and Other (Topic 350). This Update simplifies how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. Step 2 measures a goodwill impairment loss by comparing the implied fair value of a reporting unit’s goodwill with the carrying amount of that goodwill. The amendments in this Update are required for public business entities and other entities that have goodwill reported in their financial statements and have not elected the private company alternative for the subsequent measurement of goodwill. As a result, under this Update, “an entity should perform its annual, or interim, goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount and should recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit.” For PBE's, ASU 2017-04 is effective for annual and any interim impairment tests performed in periods beginning after December 15, 2019. As an EGC, the Company will adopt this ASU on December 31, 2022. Adoption of ASU 2017-04 is not expected to have a significant impact on the Company’s consolidated financial statements. In January 2020, the FASB issued ASU 2020-01, “Investments—Equity Securities (Topic 321), Investments—Equity Method and Joint Ventures (Topic 323), and Derivatives and Hedging (Topic 815)”. This ASU is for equity securities accounted for by the equity method. The amendment clarifies that an entity should consider observable transactions that require it to either apply or discontinue the equity method of accounting for the purposes of applying the measurement alternative in accordance with Topic 321 immediately before applying or upon discontinuing the equity method. The Company has equity securities on our balance sheet but are not material to be considered for the equity method. For an EGC, this ASU is effective for fiscal years beginning after December 15, 2021, and interim periods within those fiscal years. Adoption of ASU 2020-01 on January 1, 2022 did not have a material impact on the Company’s consolidated financial statements. In February 2020, the FASB issued ASU 2020-02, “Financial Instruments—Credit Losses (Topic 326) and Leases (Topic 842)—Amendments to SEC Paragraphs Pursuant to SEC Staff Accounting Bulletin No. 119 and Update to SEC Section on Effective Date Related to Accounting Standards Update No. 2016-02, Leases (Topic 842) (SEC Update)”. This is an amendment to add the SEC Staff guidance on CECL to the FASB codification. It contains guidance on what the SEC would expect the Company to perform and document when measuring and recording its allowance for credit losses for financial assets recorded at amortized cost. As an EGC, the Company will implement CECL on December 31, 2022. In March 2020, the FASB issued ASU 2020-04, "Reference Rate Reform (Topic 848), Facilitation of the Effects of Reference Rate Reform on Financial Reporting". This pronouncement is applicable to all companies with contracts or hedging relationships that reference an interest rate that is expected to be discontinued. The ASU provides temporary optional expedients to ease the financial reporting burdens of the expected market transition from London Interbank Offered Rate (“LIBOR”) to an alternative reference rate such as Secured Overnight Financing Rate (“SOFR”). The guidance was effective upon issuance and generally can be applied through December 31, 2022. Of the Company’s $3.0 billion in total gross loans as of June 30, 2022, approximately 6.2% have a LIBOR based reference rate. The Company has several issuances of LIBOR based long-term debt and subordinated debentures. Refer to Notes 9 and 10 of the Company’s consolidated financial statements included in this Form 10-Q. The Company is developing new SOFR-based loan products that will be substantially equivalent to prior LIBOR-based loan products and the Company has adopted SOFR as the alternative reference rate to replace LIBOR with respect to the Company’s long-term debt and subordinated debentures. In October 2021, the FASB issued ASU 2021-08, "Accounting for Contract Assets and Contract Liabilities", to require an acquirer to recognize and measure contract assets and contract liabilities acquired in a business combination in accordance with revenue recognition guidance as if the acquirer had originated the contract. That is, such acquired contracts will not be measured at fair value. The ASU is potentially material to the Company, depending on the materiality of an acquired contract asset or liability. The Update is effective for public companies in fiscal years starting after December 15, 2022. Early adoption is permitted. This ASU will be effective for the Company on January 1, 2023. In March 2022, the FASB issued ASU 2022-02, Financial Instruments—Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures. This pronouncement eliminates the accounting guidance on troubled debt restructurings ("TDRs") for creditors and amends the guidance on “vintage disclosures” to require disclosure of current-period gross write-offs by year of origination. The ASU also updates the requirements related to accounting for credit losses under ASC 326 and adds enhanced disclosures for creditors with respect to loan refinancings and restructurings for borrowers experiencing financial difficulty. As the Company will adopt ASU 2016-13 (“CECL”) on December 31, 2022, ASU 2022-02 will also be effective for the Company on December 31, 2022.

Note 2 - Basis of Presentation and Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2022

Basis of Presentation and Significant Accounting Policies [Text Block]

NOTE 2 - BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Basis of Presentation

The accompanying unaudited consolidated financial statements and notes thereto of the Company have been prepared in accordance with the rules and regulations of the Securities and Exchange Commission (“SEC”) for Form 10-Q and conform to practices within the banking industry and include all of the information and disclosures required by accounting principles generally accepted in the United States of America (“GAAP”) for interim financial reporting. The accompanying unaudited consolidated financial statements reflect all adjustments (consisting only of normal recurring adjustments), which are necessary for a fair presentation of financial results for the interim periods presented. The results of operations for the three months and the six months ended June 30, 2022 are not necessarily indicative of the results for the full year. These interim unaudited financial statements should be read in conjunction with the audited consolidated financial statements and the notes thereto as of and for the year ended December 31, 2021, included in our Annual Report filed on Form 10-K for the fiscal year ended December 31, 2021 and Amendment No. 1 to the Annual Report on Form 10-K/A (collectively our “2021 Annual Report”).

Use of Estimates in the Preparation of Financial Statements

The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities, disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. It is reasonably possible our estimate of the allowance for loan losses could change as actual results could differ from those estimates.

Summary of Significant Accounting Policies

The accompanying unaudited consolidated financial statements were compiled in accordance with the accounting policies set forth in Note 2 – Basis of Presentation and Summary of Significant Policies in our Consolidated Financial Statements as of and for the year ended December 31, 2021, included in our 2021 Annual Report. The Financial Accounting Standards Board ("FASB") issues Accounting Standards Updates ("ASU" or “Update”) and Accounting Standards Codifications (“ASC”), which are the primary source of GAAP.

Recent Accounting Pronouncements

When RBB conducted its initial public offering (“IPO”) in 2017, we qualified as an emerging growth company (“EGC”). We will remain an EGC until the earliest of (i) the end of the fiscal year during which we have total annual gross revenues of $1.0 billion or more, (ii) the end of the fiscal year following the fifth anniversary of the completion of our IPO, (iii) the date on which we have, during the previous three-year period, issued more than $1.0 billion in non-convertible debt and (iv) the date on which we are deemed to be a “large accelerated filer” under the Securities Exchange Act of 1934, as amended (the “Exchange Act”). We anticipate no longer qualifying as an EGC on December 31, 2022. EGCs are entitled to reduced regulatory and reporting requirements under the Securities Act of 1933, as amended (the “Securities Act”), and the Exchange Act, as compared to public business entities ("PBE").

In February 2016, the FASB issued ASU 2016-02, Leases (Topic 842). The most significant change for lessees is the requirement under the new guidance to recognize right-of-use assets and lease liabilities for all leases not considered short-term leases, which is generally defined as a lease term of less than 12 months. This change will result in lessees recognizing right-of-use assets and lease liabilities for most leases currently accounted for as operating leases under current lease accounting guidance. Under the new guidance, the Company recognized on the Consolidated Balance Sheets right-of-use assets with a corresponding lease liability. The Company early adopted this ASU on January 1, 2021 and recorded the right-of-use asset and lease liability of approximately $26.8 million.

In June 2016, the FASB issued ASU 2016-13, Measurement of Credit Losses on Financial Instrument (Topic 326), including subsequent amending ASUs. This ASU significantly changes how entities will measure credit losses for most financial assets and certain other instruments that are not measured at fair value through net income. The standard will replace today's "incurred loss" approach with an "expected loss" model. The new model, referred to as the current expected credit loss ("CECL") model, will apply to: (1) financial assets subject to credit losses and measured at amortized cost, and (2) certain off-balance sheet credit exposures. This includes, but is not limited to, loans, leases, held to maturity securities, loan commitments, and financial guarantees. For available for sale (“AFS”) debt securities with unrealized losses, entities will measure credit losses in a manner similar to what they do today, except that the losses will be recognized as allowances rather than reductions in the amortized cost of the securities. ASU 2016-13 also expands the disclosure requirements regarding an entity's assumptions, models, and methods for estimating the allowance for loan and lease losses. In addition, public business entities will need to disclose the amortized cost balance for each class of financial asset by credit quality indicator, disaggregated by the year of origination. ASU 2016-13 was originally proposed to be effective for interim and annual reporting periods for an emerging growth company beginning after December 15, 2020, but was subsequently extended until December 31, 2022. Entities will apply the standard's provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the first reporting period in which the guidance is effective (i.e., modified retrospective approach). The CECL implementation project team of the Company is currently working with an outside firm to develop an econometric regression model. The Company expects to have an independent third party validation of the CECL model in the second half of 2022. Management currently believes based on its preliminary model that a one-time cumulative adjustment will be made to the Company's allowance for credit losses which will be recorded through retained earnings upon adoption of ASU 2016-13 on December 31, 2022.

In February 2019, the U.S. federal bank regulatory agencies approved a final rule modifying their regulatory capital rules and providing an option to phase in over a three year period the day-one adverse regulatory capital effects of ASU 2016-13. Additionally, in March 2020, the U.S. federal bank regulatory agencies issued an interim final rule that provides banking organizations an option to delay the estimated CECL impact on regulatory capital for an additional two years for a total transition period of up to five years to provide regulatory relief to banking organizations to better focus on supporting lending to creditworthy households and businesses in light of recent strains on the U.S. economy as a result of the novel coronavirus disease 2019 ("COVID-19") pandemic. As a result, entities will have the option to gradually phase in the full effect of CECL on regulatory capital over a five-year transition period. Currently, RBB does not expect to take the option to phase in the regulatory capital effects of CECL and, instead, will reflect the effects to its regulatory capital upon adoption on December 31, 2022.

In January 2017, the FASB issued ASU 2017-04, Intangibles—Goodwill and Other (Topic 350). This Update simplifies how an entity is required to test goodwill for impairment by eliminating Step 2 from the goodwill impairment test. Step 2 measures a goodwill impairment loss by comparing the implied fair value of a reporting unit’s goodwill with the carrying amount of that goodwill. The amendments in this Update are required for public business entities and other entities that have goodwill reported in their financial statements and have not elected the private company alternative for the subsequent measurement of goodwill. As a result, under this Update, “an entity should perform its annual, or interim, goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount and should recognize an impairment charge for the amount by which the carrying amount exceeds the reporting unit’s fair value; however, the loss recognized should not exceed the total amount of goodwill allocated to that reporting unit.” For PBE's, ASU 2017-04 is effective for annual and any interim impairment tests performed in periods beginning after December 15, 2019. As an EGC, the Company will adopt this ASU on December 31, 2022. Adoption of ASU 2017-04 is not expected to have a significant impact on the Company’s consolidated financial statements.

In January 2020, the FASB issued ASU 2020-01, “Investments—Equity Securities (Topic 321), Investments—Equity Method and Joint Ventures (Topic 323), and Derivatives and Hedging (Topic 815)”. This ASU is for equity securities accounted for by the equity method. The amendment clarifies that an entity should consider observable transactions that require it to either apply or discontinue the equity method of accounting for the purposes of applying the measurement alternative in accordance with Topic 321 immediately before applying or upon discontinuing the equity method. The Company has equity securities on our balance sheet but are not material to be considered for the equity method. For an EGC, this ASU is effective for fiscal years beginning after December 15, 2021, and interim periods within those fiscal years. Adoption of ASU 2020-01 on January 1, 2022 did not have a material impact on the Company’s consolidated financial statements.

In February 2020, the FASB issued ASU 2020-02, “Financial Instruments—Credit Losses (Topic 326) and Leases (Topic 842)—Amendments to SEC Paragraphs Pursuant to SEC Staff Accounting Bulletin No. 119 and Update to SEC Section on Effective Date Related to Accounting Standards Update No. 2016-02, Leases (Topic 842) (SEC Update)”. This is an amendment to add the SEC Staff guidance on CECL to the FASB codification. It contains guidance on what the SEC would expect the Company to perform and document when measuring and recording its allowance for credit losses for financial assets recorded at amortized cost. As an EGC, the Company will implement CECL on December 31, 2022.

In March 2020, the FASB issued ASU 2020-04, "Reference Rate Reform (Topic 848), Facilitation of the Effects of Reference Rate Reform on Financial Reporting". This pronouncement is applicable to all companies with contracts or hedging relationships that reference an interest rate that is expected to be discontinued. The ASU provides temporary optional expedients to ease the financial reporting burdens of the expected market transition from London Interbank Offered Rate (“LIBOR”) to an alternative reference rate such as Secured Overnight Financing Rate (“SOFR”). The guidance was effective upon issuance and generally can be applied through December 31, 2022. Of the Company’s $3.0 billion in total gross loans as of June 30, 2022, approximately 6.2% have a LIBOR based reference rate. The Company has several issuances of LIBOR based long-term debt and subordinated debentures. Refer to Notes 9 and 10 of the Company’s consolidated financial statements included in this Form 10-Q. The Company is developing new SOFR-based loan products that will be substantially equivalent to prior LIBOR-based loan products and the Company has adopted SOFR as the alternative reference rate to replace LIBOR with respect to the Company’s long-term debt and subordinated debentures.

In October 2021, the FASB issued ASU 2021-08, "Accounting for Contract Assets and Contract Liabilities", to require an acquirer to recognize and measure contract assets and contract liabilities acquired in a business combination in accordance with revenue recognition guidance as if the acquirer had originated the contract. That is, such acquired contracts will not be measured at fair value. The ASU is potentially material to the Company, depending on the materiality of an acquired contract asset or liability. The Update is effective for public companies in fiscal years starting after December 15, 2022. Early adoption is permitted. This ASU will be effective for the Company on January 1, 2023.

In March 2022, the FASB issued ASU 2022-02, Financial Instruments—Credit Losses (Topic 326): Troubled Debt Restructurings and Vintage Disclosures. This pronouncement eliminates the accounting guidance on troubled debt restructurings ("TDRs") for creditors and amends the guidance on “vintage disclosures” to require disclosure of current-period gross write-offs by year of origination. The ASU also updates the requirements related to accounting for credit losses under ASC 326 and adds enhanced disclosures for creditors with respect to loan refinancings and restructurings for borrowers experiencing financial difficulty. As the Company will adopt ASU 2016-13 (“CECL”) on December 31, 2022, ASU 2022-02 will also be effective for the Company on December 31, 2022.