$RBB
RBB Bancorp Stock $rbb

$rbb Overview Financials Valuation SEC Filings Company Website

2023 Q4 Form 10-Q Financial Statement

#000143774923031921 Filed on November 14, 2023

Income Statement

Concept	2023 Q4	2023 Q3
Revenue	$1.216M	$1.482M
YoY Change		22.08%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.090M	$1.200M
YoY Change	10.89%	-7.48%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$29.16M	$27.97M
YoY Change		276.2%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$17.10M	$12.08M
YoY Change	-32.41%	-47.57%
Income Tax	$5.028M	$3.600M
% Of Pretax Income	29.4%	29.79%
Net Earnings	$12.07M	$8.473M
YoY Change	-31.33%	-49.12%
Net Earnings / Revenue	992.85%	571.73%
Basic Earnings Per Share	$0.64	$0.45
Diluted Earnings Per Share	$0.64	$0.45
COMMON SHARES
Basic Shares Outstanding	19.00M	19.00M
Diluted Shares Outstanding	18.90M	19.00M

Balance Sheet

Concept	2023 Q4	2023 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$431.4M	$330.8M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory
Prepaid Expenses
Receivables
Other Receivables
Total Short-Term Assets
YoY Change
LONG-TERM ASSETS
Property, Plant & Equipment	$55.49M	$26.13M
YoY Change	105.44%	-2.67%
Goodwill	$71.50M	$71.50M
YoY Change	0.0%	0.0%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$15.77M	$18.30M
YoY Change	-7.14%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$4.026B	$4.100B
YoY Change	3.23%	5.13%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$24.73M	$41.90M
YoY Change	18.74%	121.56%
Accrued Expenses	$31.19M	$31.30M
YoY Change	17.6%	21.79%
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$55.92M	$73.20M
YoY Change	18.1%	64.08%
LONG-TERM LIABILITIES
Long-Term Debt	$134.1M	$188.9M
YoY Change	-28.79%	0.42%
Other Long-Term Liabilities	$640.0K	$700.0K
YoY Change	-44.68%	-32.82%
Total Long-Term Liabilities	$134.1M	$189.6M
YoY Change	-29.23%	0.24%
TOTAL LIABILITIES
Total Short-Term Liabilities	$55.92M	$73.20M
Total Long-Term Liabilities	$134.1M	$189.6M
Total Liabilities	$3.515B	$3.567B
YoY Change	2.34%	3.89%
SHAREHOLDERS EQUITY
Retained Earnings	$255.2M	$247.2M
YoY Change	12.96%	15.78%
Common Stock	$275.5M	$281.0M
YoY Change	-1.69%	0.1%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$511.2M	$502.4M
YoY Change
Total Liabilities & Shareholders Equity	$4.026B	$4.069B
YoY Change	2.73%	4.2%

Cashflow Statement

Concept	2023 Q4	2023 Q3
OPERATING ACTIVITIES
Net Income	$12.07M	$8.473M
YoY Change	-31.33%	-49.12%
Depreciation, Depletion And Amortization	$1.090M	$1.200M
YoY Change	10.89%	-7.48%
Cash From Operating Activities	-$8.812M	$25.30M
YoY Change	-139.12%	-1.91%
INVESTING ACTIVITIES
Capital Expenditures	$38.00K	$0.00
YoY Change	-93.58%	-100.0%
Acquisitions
YoY Change
Other Investing Activities	$153.5M	$83.70M
YoY Change	-243.54%	-187.03%
Cash From Investing Activities	$153.5M	$83.70M
YoY Change	-242.72%	-186.8%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-44.07M	-24.40M
YoY Change	682.96%	-69.47%
NET CHANGE
Cash From Operating Activities	-8.812M	25.30M
Cash From Investing Activities	153.5M	83.70M
Cash From Financing Activities	-44.07M	-24.40M
Net Change In Cash	100.6M	84.60M
YoY Change	-210.98%	-156.19%
FREE CASH FLOW
Cash From Operating Activities	-$8.812M	$25.30M
Capital Expenditures	$38.00K	$0.00
Free Cash Flow	-$8.850M	$25.30M
YoY Change	-140.35%	-2.88%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2023
CY2023Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	4750000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	5563000	usd
CY2023Q3	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	981000	usd
CY2022Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	1415000	usd
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CY2022Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2023Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000
CY2022Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	100000000
CY2023Q3	us-gaap	Preferred Stock No Par Value PreferredStockNoParValue	0
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	dei	Entity Shell Company EntityShellCompany	false
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CY2022Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	18965776
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	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.48
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.42
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	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2023-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-38149
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	CA
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	27-2776416
	dei	Entity Address Address Line1 EntityAddressAddressLine1	1055 Wilshire Blvd., Suite 1200
	dei	Entity Address City Or Town EntityAddressCityOrTown	Los Angeles
	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	90017
	dei	City Area Code CityAreaCode	213
	dei	Local Phone Number LocalPhoneNumber	627-9888
	dei	Security12b Title Security12bTitle	Common Stock, No Par Value
	dei	Trading Symbol TradingSymbol	RBB
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	false
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
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CY2023Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	5214000	usd
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CY2023Q3	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	62000	usd
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CY2022Q4	rbb	Financing Receivable Commercial And Other FinancingReceivableCommercialAndOther	283106000	usd
CY2023Q3	us-gaap	Financing Receivable Before Allowance For Credit Loss And Fee FinancingReceivableBeforeAllowanceForCreditLossAndFee	3120569000	usd
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CY2023Q3	us-gaap	Financing Receivable Unamortized Loan Commitment Origination Fee And Premium Discount FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount	-998000	usd
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CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	42430000	usd
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	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	54424000	usd
	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	5540000	usd
CY2023Q3	us-gaap	Interest Expense Long Term Debt And Capital Securities InterestExpenseLongTermDebtAndCapitalSecurities	2579000	usd
CY2022Q3	us-gaap	Interest Expense Long Term Debt And Capital Securities InterestExpenseLongTermDebtAndCapitalSecurities	2427000	usd
	us-gaap	Interest Expense Long Term Debt And Capital Securities InterestExpenseLongTermDebtAndCapitalSecurities	7668000	usd
	us-gaap	Interest Expense Long Term Debt And Capital Securities InterestExpenseLongTermDebtAndCapitalSecurities	7154000	usd
CY2023Q3	rbb	Interest On Other Borrowed Funds InterestOnOtherBorrowedFunds	440000	usd
CY2022Q3	rbb	Interest On Other Borrowed Funds InterestOnOtherBorrowedFunds	1020000	usd
	rbb	Interest On Other Borrowed Funds InterestOnOtherBorrowedFunds	2428000	usd
	rbb	Interest On Other Borrowed Funds InterestOnOtherBorrowedFunds	1974000	usd
CY2023Q3	us-gaap	Interest Expense InterestExpense	27974000	usd
CY2022Q3	us-gaap	Interest Expense InterestExpense	7436000	usd
	us-gaap	Interest Expense InterestExpense	72700000	usd
	us-gaap	Interest Expense InterestExpense	17759000	usd
CY2023Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	27589000	usd
CY2022Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	38978000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	93616000	usd
	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	110559000	usd
CY2023Q3	rbb	Provision For Credit Losses Expensed ProvisionForCreditLossesExpensed	1399000	usd
CY2022Q3	rbb	Provision For Credit Losses Expensed ProvisionForCreditLossesExpensed	1766000	usd
	rbb	Provision For Credit Losses Expensed ProvisionForCreditLossesExpensed	3793000	usd
	rbb	Provision For Credit Losses Expensed ProvisionForCreditLossesExpensed	3048000	usd
CY2023Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	26190000	usd
CY2022Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	37212000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	89823000	usd
	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	107511000	usd
CY2023Q3	rbb	Service Charges Fees And Other Income ServiceChargesFeesAndOtherIncome	1357000	usd
CY2022Q3	rbb	Service Charges Fees And Other Income ServiceChargesFeesAndOtherIncome	1214000	usd
	rbb	Service Charges Fees And Other Income ServiceChargesFeesAndOtherIncome	4150000	usd
	rbb	Service Charges Fees And Other Income ServiceChargesFeesAndOtherIncome	3745000	usd
CY2023Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	212000	usd
CY2022Q3	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	265000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	258000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	1783000	usd
CY2023Q3	rbb	Loan Servicing Fees Net Of Amortization LoanServicingFeesNetOfAmortization	623000	usd
CY2022Q3	rbb	Loan Servicing Fees Net Of Amortization LoanServicingFeesNetOfAmortization	724000	usd
	rbb	Loan Servicing Fees Net Of Amortization LoanServicingFeesNetOfAmortization	1959000	usd
	rbb	Loan Servicing Fees Net Of Amortization LoanServicingFeesNetOfAmortization	1628000	usd
CY2023Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	356000	usd
CY2022Q3	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	332000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	1036000	usd
	us-gaap	Bank Owned Life Insurance Income BankOwnedLifeInsuranceIncome	986000	usd
CY2023Q3	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	190000	usd
CY2022Q3	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	0	usd
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	190000	usd
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	0	usd
CY2023Q3	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	32000	usd
CY2022Q3	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	0	usd
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	32000	usd
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	757000	usd
CY2023Q3	us-gaap	Noninterest Income NoninterestIncome	2770000	usd
CY2022Q3	us-gaap	Noninterest Income NoninterestIncome	2535000	usd
	us-gaap	Noninterest Income NoninterestIncome	7625000	usd
	us-gaap	Noninterest Income NoninterestIncome	8899000	usd
CY2023Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	9744000	usd
CY2022Q3	us-gaap	Labor And Related Expense LaborAndRelatedExpense	9561000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	28935000	usd
	us-gaap	Labor And Related Expense LaborAndRelatedExpense	28558000	usd
CY2023Q3	us-gaap	Occupancy Net OccupancyNet	2414000	usd
CY2022Q3	us-gaap	Occupancy Net OccupancyNet	2349000	usd
	us-gaap	Occupancy Net OccupancyNet	7242000	usd
	us-gaap	Occupancy Net OccupancyNet	6728000	usd
CY2023Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	1315000	usd
CY2022Q3	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	1306000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3969000	usd
	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	3857000	usd
CY2023Q3	rbb	Legal And Professional Fees And Fees Reversal LegalAndProfessionalFeesAndFeesReversal	1022000	usd
CY2022Q3	rbb	Legal And Professional Fees And Fees Reversal LegalAndProfessionalFeesAndFeesReversal	1077000	usd
	rbb	Legal And Professional Fees And Fees Reversal LegalAndProfessionalFeesAndFeesReversal	6907000	usd
	rbb	Legal And Professional Fees And Fees Reversal LegalAndProfessionalFeesAndFeesReversal	4337000	usd
CY2023Q3	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	437000	usd
CY2022Q3	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	382000	usd
	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	1163000	usd
	us-gaap	Supplies And Postage Expense SuppliesAndPostageExpense	1033000	usd
CY2023Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	340000	usd
CY2022Q3	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	364000	usd
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	892000	usd
	us-gaap	Marketing And Advertising Expense MarketingAndAdvertisingExpense	1172000	usd
CY2023Q3	rbb	Insurance And Regulatory Assessments InsuranceAndRegulatoryAssessments	730000	usd
CY2022Q3	rbb	Insurance And Regulatory Assessments InsuranceAndRegulatoryAssessments	441000	usd
	rbb	Insurance And Regulatory Assessments InsuranceAndRegulatoryAssessments	2043000	usd
	rbb	Insurance And Regulatory Assessments InsuranceAndRegulatoryAssessments	1360000	usd
CY2023Q3	rbb	Core Deposit Premium Expense CoreDepositPremiumExpense	236000	usd
CY2022Q3	rbb	Core Deposit Premium Expense CoreDepositPremiumExpense	277000	usd
	rbb	Core Deposit Premium Expense CoreDepositPremiumExpense	708000	usd
	rbb	Core Deposit Premium Expense CoreDepositPremiumExpense	833000	usd
CY2023Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	638000	usd
CY2022Q3	us-gaap	Other Noninterest Expense OtherNoninterestExpense	940000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2445000	usd
	us-gaap	Other Noninterest Expense OtherNoninterestExpense	2489000	usd
CY2023Q3	us-gaap	Noninterest Expense NoninterestExpense	16876000	usd
CY2022Q3	us-gaap	Noninterest Expense NoninterestExpense	16697000	usd
	us-gaap	Noninterest Expense NoninterestExpense	54304000	usd
CY2023Q3	us-gaap	Dividends Cash DividendsCash	3039000	usd
	us-gaap	Noninterest Expense NoninterestExpense	50367000	usd
CY2023Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	12084000	usd
CY2022Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	23050000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	43144000	usd
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	66043000	usd
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3611000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6398000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12752000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	19297000	usd
CY2023Q3	us-gaap	Profit Loss ProfitLoss	8473000	usd
CY2022Q3	us-gaap	Profit Loss ProfitLoss	16652000	usd
	us-gaap	Profit Loss ProfitLoss	30392000	usd
	us-gaap	Profit Loss ProfitLoss	46746000	usd
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.45
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.88
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.6
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.44
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.45
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.87
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.6
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.41
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18995303
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18988443
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18991579
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	19142732
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18997304
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19130447
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19013838
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19415558
CY2023Q3	us-gaap	Profit Loss ProfitLoss	8473000	usd
CY2022Q3	us-gaap	Profit Loss ProfitLoss	16652000	usd
	us-gaap	Profit Loss ProfitLoss	30392000	usd
	us-gaap	Profit Loss ProfitLoss	46746000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-4824000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-9773000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-5838000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-30140000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1468000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-2999000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-1742000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax	-9275000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3356000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6774000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4096000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-20865000	usd
CY2023Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	5117000	usd
CY2022Q3	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	9878000	usd
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	26296000	usd
	us-gaap	Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest	25881000	usd
CY2023Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	500290000	usd
CY2023Q3	us-gaap	Profit Loss ProfitLoss	8473000	usd
CY2023Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	143000	usd
CY2023Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-3356000	usd
CY2023Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	502511000	usd
CY2022Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	461503000	usd
CY2022Q3	us-gaap	Profit Loss ProfitLoss	16652000	usd
CY2022Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	274000	usd
CY2022Q3	us-gaap	Dividends Cash DividendsCash	2663000	usd
CY2022Q3	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2581000	usd
CY2022Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1978000	usd
CY2022Q3	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-6774000	usd
CY2022Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	469595000	usd
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	484563000	usd
	us-gaap	Profit Loss ProfitLoss	30392000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	609000	usd
	us-gaap	Dividends Cash DividendsCash	9116000	usd
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	159000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-4096000	usd
CY2023Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	502511000	usd
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	466683000	usd
	us-gaap	Profit Loss ProfitLoss	46746000	usd
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	680000	usd
	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	0	usd
	us-gaap	Dividends Cash DividendsCash	8074000	usd
	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	5436000	usd
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	18807000	usd
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	-20865000	usd
CY2022Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	469595000	usd
	us-gaap	Profit Loss ProfitLoss	30392000	usd
	us-gaap	Profit Loss ProfitLoss	46746000	usd
	rbb	Depreciation And Amortization Of Premises And Equipment DepreciationAndAmortizationOfPremisesAndEquipment	1520000	usd
	rbb	Depreciation And Amortization Of Premises And Equipment DepreciationAndAmortizationOfPremisesAndEquipment	1869000	usd
	rbb	Net Accretion Of Securities Loans Deposits And Other NetAccretionOfSecuritiesLoansDepositsAndOther	4257000	usd
	rbb	Net Accretion Of Securities Loans Deposits And Other NetAccretionOfSecuritiesLoansDepositsAndOther	391000	usd
	rbb	Amortization Of Investment In Affordable Housing Tax Credits AmortizationOfInvestmentInAffordableHousingTaxCredits	846000	usd
	rbb	Amortization Of Investment In Affordable Housing Tax Credits AmortizationOfInvestmentInAffordableHousingTaxCredits	778000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1976000	usd
	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3023000	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	3765000	usd
	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	3858000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-3525000	usd
	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-3754000	usd
	rbb	Provision For Credit Losses Expensed ProvisionForCreditLossesExpensed	3793000	usd
	rbb	Provision For Credit Losses Expensed ProvisionForCreditLossesExpensed	3048000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	609000	usd
	us-gaap	Share Based Compensation ShareBasedCompensation	680000	usd
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	395000	usd
	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	72000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	258000	usd
	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	1783000	usd
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	190000	usd
	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	-0	usd
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	32000	usd
	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	757000	usd
	rbb	Increase Decrease In Cash Surrender Value Of Life Insurance IncreaseDecreaseInCashSurrenderValueOfLifeInsurance	1036000	usd
	rbb	Increase Decrease In Cash Surrender Value Of Life Insurance IncreaseDecreaseInCashSurrenderValueOfLifeInsurance	986000	usd
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	10236000	usd
	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	37612000	usd
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	14626000	usd
	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	56480000	usd
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	21716000	usd
	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	17000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	60104000	usd
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	71288000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	592177000	usd
	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	340226000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	493220000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	412480000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	500000	usd
	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	500000	usd
	rbb	Payments To Acquire Proceeds From Other Investments PaymentsToAcquireProceedsFromOtherInvestments	378000	usd
	rbb	Payments To Acquire Proceeds From Other Investments PaymentsToAcquireProceedsFromOtherInvestments	1208000	usd
	rbb	Purchase Of Investment In Qualified Affordable Housing Projects PurchaseOfInvestmentInQualifiedAffordableHousingProjects	72000	usd
	rbb	Purchase Of Investment In Qualified Affordable Housing Projects PurchaseOfInvestmentInQualifiedAffordableHousingProjects	133000	usd
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	-188856000	usd
	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	294693000	usd
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	483000	usd
	us-gaap	Proceeds From Sale Of Foreclosed Assets ProceedsFromSaleOfForeclosedAssets	0	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-0	usd
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-71352000	usd
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	32000	usd
	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	757000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	614000	usd
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1473000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	89850000	usd
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-152644000	usd
	rbb	Increase Decrease In Demand Deposits And Savings Accounts IncreaseDecreaseInDemandDepositsAndSavingsAccounts	-233667000	usd
	rbb	Increase Decrease In Demand Deposits And Savings Accounts IncreaseDecreaseInDemandDepositsAndSavingsAccounts	-502364000	usd
	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	409913000	usd
	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-5028000	usd
	rbb	Increase In Shortterm Advances From Federal Home Loan Bank IncreaseInShorttermAdvancesFromFederalHomeLoanBank	80000000	usd
	rbb	Increase In Shortterm Advances From Federal Home Loan Bank IncreaseInShorttermAdvancesFromFederalHomeLoanBank	470000000	usd
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	150000000	usd
	us-gaap	Repayments Of Federal Home Loan Bank Borrowings RepaymentsOfFederalHomeLoanBankBorrowings	380000000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	9116000	usd
	us-gaap	Payments Of Dividends PaymentsOfDividends	8074000	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	-0	usd
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	18807000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	159000	usd
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	5436000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	97289000	usd
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-438837000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	247243000	usd
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-520193000	usd
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	83548000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	694372000	usd
CY2023Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	330791000	usd
CY2022Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	174179000	usd
	us-gaap	Interest Paid Net InterestPaidNet	64936000	usd
	us-gaap	Interest Paid Net InterestPaidNet	15500000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	2829000	usd
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	19263000	usd
	rbb	Transfer From Transfer To Loans Held For Sale Net TransferFromTransferToLoansHeldForSaleNet	4194000	usd
	rbb	Transfer From Transfer To Loans Held For Sale Net TransferFromTransferToLoansHeldForSaleNet	12313000	usd
	rbb	Additions To Servicing Asset AdditionsToServicingAsset	186000	usd
	rbb	Additions To Servicing Asset AdditionsToServicingAsset	727000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-5838000	usd
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-30140000	usd
	rbb	Recognition Of Operating Lease Right Of Use Assets RecognitionOfOperatingLeaseRightOfUseAssets	-8267000	usd
	rbb	Recognition Of Operating Lease Right Of Use Assets RecognitionOfOperatingLeaseRightOfUseAssets	-6172000	usd
	rbb	Recognition Of Operating Lease Liabilities RecognitionOfOperatingLeaseLiabilities	8267000	usd
	rbb	Recognition Of Operating Lease Liabilities RecognitionOfOperatingLeaseLiabilities	6172000	usd
	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	0	usd
	us-gaap	Fair Value Of Assets Acquired FairValueOfAssetsAcquired	8183000	usd
	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	0	usd
	us-gaap	Liabilities Assumed1 LiabilitiesAssumed1	81790000	usd
	rbb	Other Significant Noncash Transaction Value Of Consideration Given Received OtherSignificantNoncashTransactionValueOfConsiderationGivenReceived	0	usd
	rbb	Other Significant Noncash Transaction Value Of Consideration Given Received OtherSignificantNoncashTransactionValueOfConsiderationGivenReceived	-71040000	usd
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	usd
	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	2255000	usd
	us-gaap	Nature Of Operations NatureOfOperations	<p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; text-align: justify; margin: 0pt;"><b>NOTE <em style="font: inherit;">1</em> - BUSINESS DESCRIPTION</b></p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; text-align: justify; margin: 0pt; text-indent: 27pt;">RBB Bancorp (“RBB”) is a bank holding company registered under the Bank Holding Company Act of <em style="font: inherit;">1956,</em> as amended. RBB Bancorp’s principal business is to serve as the holding company for its wholly-owned banking subsidiaries, Royal Business Bank (“Bank”) and RBB Asset Management Company (“RAM”), collectively referred to herein as the “Company.” RAM was formed to hold and manage problem assets acquired in business combinations.</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; text-align: justify; margin: 0pt; text-indent: 27pt;">At <em style="font: inherit;"> September </em><em style="font: inherit;">30,</em> <em style="font: inherit;">2023,</em> the Company had total consolidated assets of $4.1 billion, gross consolidated loans of $3.1 billion, total consolidated deposits of $3.2 billion and total consolidated shareholders' equity of $502.5 million. RBB’s common stock trades on the Nasdaq Global Select Market under the symbol “RBB.”</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; text-align: justify; margin: 0pt; text-indent: 27pt;">The Bank provides business-banking services to the Asian-American communities in Los Angeles County, Orange County and Ventura County in California, in Las Vegas, Nevada, the New York City metropolitan areas, Edison, New Jersey, Chicago, Illinois, and Honolulu, Hawaii. Specific services include remote deposit, E-banking, mobile banking, commercial and investor real estate loans, business loans and lines of credit, Small Business Administration (“SBA”) <em style="font: inherit;">7A</em> and <em style="font: inherit;">504</em> loans, mortgage loans, trade finance and a full range of depository accounts. </p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; text-align: justify; margin: 0pt; text-indent: 27pt;">The Company operates full-service banking offices in Arcadia, Cerritos, Diamond Bar, Irvine, Los Angeles, Monterey Park, Oxnard, Rowland Heights, San Gabriel, Silver Lake, Torrance, and Westlake Village, California; Las Vegas, Nevada; Manhattan, Brooklyn, Flushing, and Elmhurst, New York; the Chinatown and Bridgeport neighborhoods of Chicago, Illinois; Edison, New Jersey; and Honolulu, Hawaii. The Company’s primary source of revenue is providing loans to customers, who are predominantly small and middle-market businesses and individuals. </p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; text-align: justify; margin: 0pt; text-indent: 27pt;">The Company generates its revenue primarily from interest received on loans and, to a lesser extent, from interest received on investment securities and interest-earning deposits. The Company also derives income from noninterest sources, such as fees received in connection with various lending and deposit services, loan servicing, gain on sales of loans and wealth management services. The Company’s principal expenses include interest expense on deposits and borrowings, and operating expenses, such as salaries and employee benefits, occupancy and equipment, data processing, and income tax expense.</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; text-align: justify; margin: 0pt; text-indent: 27pt;">The Company has completed six whole bank acquisitions and <em style="font: inherit;">one</em> branch acquisition from <em style="font: inherit;"> July 2011 </em>through <em style="font: inherit;"> January 2022. </em>All of the Company’s acquisitions have been accounted for using the acquisition method of accounting and, accordingly, the operating results of the acquired entities have been included in the consolidated financial statements from their respective acquisition dates. The Company previously disclosed that, on <em style="font: inherit;"> December 28, 2021, </em>it entered into a definitive agreement to acquire Gateway Bank F.S.B. (“Gateway”) in an all cash transaction, subject to certain terms and conditions. On <em style="font: inherit;"> September 28, 2023, </em>the Company announced that it and Gateway have mutually agreed to terminate the definitive agreement, effective as of <em style="font: inherit;"> September 28, 2023. </em>Neither party has or will have any liability or pay any penalty to the other party as a result of the termination, and each party has released the other from any and all claims related to the definitive agreement or the transactions contemplated by the definitive agreement.</p>
CY2023Q3	us-gaap	Assets Assets	4100000000	usd
CY2023Q3	rbb	Loans Held For Investment And Held For Sale Gross LoansHeldForInvestmentAndHeldForSaleGross	3100000000	usd
CY2023Q3	us-gaap	Deposits Deposits	3200000000	usd
CY2023Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	502500000	usd
	us-gaap	Number Of Businesses Acquired NumberOfBusinessesAcquired	6	pure
	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; text-align: justify; margin: 0pt;"><span style="text-decoration: underline; ">Use of Estimates in the Preparation of Financial Statements</span></p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; text-align: justify; margin: 0pt; text-indent: 27pt;">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 that these estimates could change as actual results could differ from those estimates. </p> <p style="font-family: Times New Roman; font-size: 10pt; font-variant: normal; text-align: justify; margin: 0pt; text-indent: 27pt;"> </p>
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	32912000	usd
CY2021Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	4855000	usd
CY2021Q4	rbb	Reserve For Unfunded Commitments ReserveForUnfundedCommitments	1203000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	181329000	usd
CY2022Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Cash And Equivalents BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents	312000	usd
CY2022Q1	rbb	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Loans Receivable BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLoansReceivable	7390000	usd
CY2022Q1	rbb	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Allowance For Loan Losses BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAllowanceForLoanLosses	-12000	usd
CY2022Q1	rbb	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Core Deposit Premium BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCoreDepositPremium	729000	usd
CY2022Q1	rbb	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherAssets	52000	usd
CY2022Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets	8495000	usd
CY2022Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Financial Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedFinancialLiabilities	81700000	usd
CY2022Q1	rbb	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Escrow Payable BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedEscrowPayable	2000	usd
CY2022Q1	rbb	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Other Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherLiabilities	88000	usd
CY2022Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Liabilities BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities	81790000	usd
CY2022Q1	rbb	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Excess Of Assets Acquired Over Liabilities Assumed BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedExcessOfAssetsAcquiredOverLiabilitiesAssumed	-73295000	usd
CY2022Q1	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-71040000	usd
CY2022Q1	us-gaap	Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Net BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet	2255000	usd
CY2023Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	391474000	usd
CY2023Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	1000	usd
CY2023Q3	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	37097000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	354378000	usd
CY2023Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	5214000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	0	usd
CY2023Q3	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	464000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	4750000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	288088000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	3000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	31261000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	256830000	usd
CY2022Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	5729000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	7000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	173000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	5563000	usd
	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss	839000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Accrued Interest After Allowance For Credit Loss DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss	810000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	132278000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	132236000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	81753000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	74709000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	148490000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	127650000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	28953000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	19783000	usd
CY2023Q3	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	391474000	usd
CY2023Q3	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	354378000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	0	usd
CY2023Q3	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	0	usd
CY2023Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	502000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	499000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	2338000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	2085000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	2374000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	2166000	usd
CY2023Q3	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	5214000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	4750000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	53256000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	53243000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	73970000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	68471000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	142849000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	122326000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	18013000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	12790000	usd
CY2022Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	288088000	usd
CY2022Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	256830000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	501000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	498000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	502000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	509000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	1739000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	1692000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	2987000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	2864000	usd
CY2022Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	5729000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	5563000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	153956000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	637000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	175389000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	36460000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	329345000	usd
CY2023Q3	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	37097000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	1780000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	137000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	2970000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	327000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	4750000	usd
CY2023Q3	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	464000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	121563000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	5116000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	118611000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	26145000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	240174000	usd
CY2022Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	31261000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	5054000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	173000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	-0	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	5054000	usd
CY2022Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	173000	usd
	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	0	usd
	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	22200000	usd
CY2022	us-gaap	Equity Securities Without Readily Determinable Fair Value Downward Price Adjustment Annual Amount EquitySecuritiesWithoutReadilyDeterminableFairValueDownwardPriceAdjustmentAnnualAmount	22200000	usd
CY2023Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	3120952000	usd
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	3336449000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	42430000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	41076000	usd
CY2023Q3	us-gaap	Notes Receivable Net NotesReceivableNet	3078522000	usd
CY2022Q4	us-gaap	Notes Receivable Net NotesReceivableNet	3295373000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	1500000	usd
CY2023Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	144000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Period Increase Decrease FinancingReceivableAllowanceForCreditLossesPeriodIncreaseDecrease	1800000	usd
CY2022Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	28000	usd
CY2023Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	43092000	usd
CY2022Q2	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	36289000	usd
CY2023Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1544000	usd
CY2022Q3	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	1766000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	2217000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	49000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	11000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	176000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	42430000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	38182000	usd
CY2022Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	41076000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	32912000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	4297000	usd
	us-gaap	Provision For Loan Losses Expensed ProvisionForLoanLossesExpensed	3048000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	2992000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	151000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	49000	usd
	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	238000	usd
CY2023Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	42430000	usd
CY2022Q3	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	38182000	usd
CY2023Q3	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	406825000	usd
CY2023Q3	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	1092619000	usd
CY2023Q3	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	481608000	usd
CY2023Q3	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	335474000	usd
CY2023Q3	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	200339000	usd
CY2023Q3	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	504724000	usd
CY2023Q3	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	99363000	usd
CY2023Q3	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	0	usd
CY2023Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	3120952000	usd
CY2023Q3	rbb	Financing Receivable Originated In Current Fiscal Year Net FinancingReceivableOriginatedInCurrentFiscalYearNet	0	usd
CY2023Q3	rbb	Financing Receivable Originated In Fiscal Year Before Current Fiscal Year Net FinancingReceivableOriginatedInFiscalYearBeforeCurrentFiscalYearNet	-2157000	usd
CY2023Q3	rbb	Financing Receivable Originated In Two Fiscal Years Before Current Fiscal Year Net FinancingReceivableOriginatedInTwoFiscalYearsBeforeCurrentFiscalYearNet	-153000	usd
CY2023Q3	rbb	Financing Receivable Originated In Three Fiscal Years Before Current Fiscal Year Net FinancingReceivableOriginatedInThreeFiscalYearsBeforeCurrentFiscalYearNet	-561000	usd
CY2023Q3	rbb	Financing Receivable Originated In Four Fiscal Years Before Current Fiscal Year Net FinancingReceivableOriginatedInFourFiscalYearsBeforeCurrentFiscalYearNet	0	usd
CY2023Q3	rbb	Financing Receivable Originated In Five Fiscal Years Before Current Fiscal Year Net FinancingReceivableOriginatedInFiveFiscalYearsBeforeCurrentFiscalYearNet	-72000	usd
CY2023Q3	rbb	Financing Receivable Revolving Net FinancingReceivableRevolvingNet	0	usd
	rbb	Financing Receivable Revolving Converted To Term Loan Writeoff After Recovery FinancingReceivableRevolvingConvertedToTermLoanWriteoffAfterRecovery	0	usd
	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	-2943000	usd
CY2022Q4	us-gaap	Financing Receivable Originated In Current Fiscal Year FinancingReceivableOriginatedInCurrentFiscalYear	1269989000	usd
CY2022Q4	us-gaap	Financing Receivable Originated In Fiscal Year Before Latest Fiscal Year FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear	639745000	usd
CY2022Q4	us-gaap	Financing Receivable Originated Two Years Before Latest Fiscal Year FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear	467976000	usd
CY2022Q4	us-gaap	Financing Receivable Originated Three Years Before Latest Fiscal Year FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear	217682000	usd
CY2022Q4	us-gaap	Financing Receivable Originated Four Years Before Latest Fiscal Year FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear	225463000	usd
CY2022Q4	us-gaap	Financing Receivable Originated Five Or More Years Before Latest Fiscal Year FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear	371945000	usd
CY2022Q4	us-gaap	Financing Receivable Revolving FinancingReceivableRevolving	143563000	usd
CY2022Q4	us-gaap	Financing Receivable Revolving Converted To Term Loan FinancingReceivableRevolvingConvertedToTermLoan	86000	usd
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	3336449000	usd
CY2022Q4	rbb	Financing Receivable Originated In Current Fiscal Year Net FinancingReceivableOriginatedInCurrentFiscalYearNet	0	usd
CY2022Q4	rbb	Financing Receivable Originated In Fiscal Year Before Current Fiscal Year Net FinancingReceivableOriginatedInFiscalYearBeforeCurrentFiscalYearNet	-210000	usd
CY2022Q4	rbb	Financing Receivable Originated In Two Fiscal Years Before Current Fiscal Year Net FinancingReceivableOriginatedInTwoFiscalYearsBeforeCurrentFiscalYearNet	2000	usd
CY2022Q4	rbb	Financing Receivable Originated In Three Fiscal Years Before Current Fiscal Year Net FinancingReceivableOriginatedInThreeFiscalYearsBeforeCurrentFiscalYearNet	-5000	usd
CY2022Q4	rbb	Financing Receivable Originated In Four Fiscal Years Before Current Fiscal Year Net FinancingReceivableOriginatedInFourFiscalYearsBeforeCurrentFiscalYearNet	0	usd
CY2022Q4	rbb	Financing Receivable Originated In Five Fiscal Years Before Current Fiscal Year Net FinancingReceivableOriginatedInFiveFiscalYearsBeforeCurrentFiscalYearNet	215000	usd
CY2022Q4	rbb	Financing Receivable Revolving Net FinancingReceivableRevolvingNet	0	usd
CY2022	rbb	Financing Receivable Revolving Converted To Term Loan Writeoff After Recovery FinancingReceivableRevolvingConvertedToTermLoanWriteoffAfterRecovery	0	usd
CY2022	us-gaap	Financing Receivable Allowance For Credit Loss Writeoff After Recovery FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery	2000	usd
CY2023Q3	us-gaap	Notes Receivable Gross NotesReceivableGross	3120952000	usd
CY2023Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	40146000	usd
CY2022Q4	us-gaap	Notes Receivable Gross NotesReceivableGross	3336449000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	22323000	usd
CY2023Q3	rbb	Financing Receivable Number Of Loans90 Days Past Due And Still Accruing FinancingReceivableNumberOfLoans90DaysPastDueAndStillAccruing	0	usd
CY2023Q3	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	38731000	usd
CY2023Q3	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	40146000	usd
CY2022Q4	us-gaap	Financing Receivable Nonaccrual No Allowance FinancingReceivableNonaccrualNoAllowance	10277000	usd
CY2022Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	22323000	usd
	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	0	usd
CY2023Q3	rbb	Number Of Loans Identified As Troubled Debt Restructurings NumberOfLoansIdentifiedAsTroubledDebtRestructurings	0	pure
CY2023Q3	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0	usd
CY2023Q3	rbb	Loan Servicing Fees Net Of Amortization LoanServicingFeesNetOfAmortization	623000	usd
CY2022Q3	rbb	Loan Servicing Fees Net Of Amortization LoanServicingFeesNetOfAmortization	724000	usd
	rbb	Loan Servicing Fees Net Of Amortization LoanServicingFeesNetOfAmortization	2000000	usd
	rbb	Loan Servicing Fees Net Of Amortization LoanServicingFeesNetOfAmortization	1600000	usd
CY2023Q3	us-gaap	Goodwill Goodwill	71500000	usd
CY2023Q3	us-gaap	Reporting Unit Percentage Of Fair Value In Excess Of Carrying Amount ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount	0.096	pure
CY2023Q3	rbb	Time Deposit Maturities250000 Or Less Year One TimeDepositMaturities250000OrLessYearOne	1229527000	usd
CY2023Q3	rbb	Time Deposit Maturities Over250000 Year One TimeDepositMaturitiesOver250000YearOne	733866000	usd
CY2023Q3	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	1963393000	usd
CY2023Q3	rbb	Time Deposit Maturities250000 Or Less Years Two And Three TimeDepositMaturities250000OrLessYearsTwoAndThree	7537000	usd
CY2023Q3	rbb	Time Deposit Maturities Over250000 Years Two And Three TimeDepositMaturitiesOver250000YearsTwoAndThree	1662000	usd
CY2023Q3	rbb	Time Deposit Maturities Years Two And Three TimeDepositMaturitiesYearsTwoAndThree	9199000	usd
CY2023Q3	rbb	Time Deposit Maturities250000 Or Less Over Three Years TimeDepositMaturities250000OrLessOverThreeYears	767000	usd
CY2023Q3	rbb	Time Deposit Maturities Over250000 Over Three Years TimeDepositMaturitiesOver250000OverThreeYears	300000	usd
CY2023Q3	rbb	Time Deposit Maturities Over Three Years TimeDepositMaturitiesOverThreeYears	1067000	usd
CY2023Q3	rbb	Time Deposits250000 Or Less TimeDeposits250000OrLess	1237831000	usd
CY2023Q3	rbb	Time Deposits Over250000 TimeDepositsOver250000	735828000	usd
CY2023Q3	us-gaap	Time Deposits TimeDeposits	1973659000	usd
CY2023Q3	rbb	Brokered Time Deposits BrokeredTimeDeposits	320700000	usd
CY2022Q4	rbb	Brokered Time Deposits BrokeredTimeDeposits	255000000	usd
CY2023Q3	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	175000000	usd
CY2023Q3	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	981000	usd
CY2022Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	175000000	usd
CY2022Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	1415000	usd
CY2023Q3	us-gaap	Interest Expense Debt InterestExpenseDebt	2050000	usd
CY2022Q3	us-gaap	Interest Expense Debt InterestExpenseDebt	2050000	usd
	us-gaap	Interest Expense Debt InterestExpenseDebt	6149000	usd
	us-gaap	Interest Expense Debt InterestExpenseDebt	6149000	usd
CY2023Q3	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	145000	usd
CY2022Q3	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	145000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	434000	usd
	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	434000	usd
CY2023Q3	us-gaap	Federal Home Loan Bank Advances Long Term FederalHomeLoanBankAdvancesLongTerm	150000000	usd
CY2023Q3	us-gaap	Federal Home Loan Bank Advances Activity For Year Average Interest Rate At Period End FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd	0.0118	pure
CY2023Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3600000	usd
CY2022Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	6400000	usd
CY2023Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.299	pure
CY2022Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.278	pure
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	12800000	usd
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	19300000	usd
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.296	pure
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.292	pure
CY2022Q3	rbb	Employee Service Share Based Compensation Tax Charge Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxChargeBenefitFromExerciseOfStockOptions	276000	usd
	rbb	Employee Service Share Based Compensation Tax Charge Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxChargeBenefitFromExerciseOfStockOptions	5000	usd
	rbb	Employee Service Share Based Compensation Tax Charge Benefit From Exercise Of Stock Options EmployeeServiceShareBasedCompensationTaxChargeBenefitFromExerciseOfStockOptions	578000	usd
	us-gaap	Loans And Leases Receivable Commitments Fixed Rates LoansAndLeasesReceivableCommitmentsFixedRates	198379000	usd
CY2022	us-gaap	Loans And Leases Receivable Commitments Variable Rates LoansAndLeasesReceivableCommitmentsVariableRates	345524000	usd
CY2023Q3	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	654000	usd
CY2022Q4	us-gaap	Off Balance Sheet Credit Loss Liability OffBalanceSheetCreditLossLiability	1200000	usd
CY2023Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	144000	usd
CY2022Q3	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	28000	usd
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	503000	usd
	us-gaap	Off Balance Sheet Credit Loss Liability Credit Loss Expense Reversal OffBalanceSheetCreditLossLiabilityCreditLossExpenseReversal	162000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	956000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	4884000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	4762000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	4884000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	4816000	usd
CY2023Q3	rbb	Lessee Operating Lease Liability To Be Paid After Year Four LesseeOperatingLeaseLiabilityToBePaidAfterYearFour	14564000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	34866000	usd
CY2023Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	3601000	usd
CY2023Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	31265000	usd
CY2023Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	1500000	usd
CY2022Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	1400000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	4300000	usd
	us-gaap	Operating Lease Expense OperatingLeaseExpense	4000000	usd
CY2023Q3	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	144000	usd
CY2022Q3	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	106000	usd
	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	425000	usd
	us-gaap	Operating Lease Lease Income OperatingLeaseLeaseIncome	376000	usd
CY2023Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	29949000	usd
CY2022Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	25447000	usd
CY2023Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	31265000	usd
CY2022Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	26523000	usd
CY2023Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y10M28D
CY2022Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y10M28D
CY2023Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0295	pure
CY2022Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0219	pure
CY2022Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	6869000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	8441000	usd
	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	-0	usd
CY2022	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	1572000	usd
	rbb	Loans And Leases Receivable Related Parties Recategorized LoansAndLeasesReceivableRelatedPartiesRecategorized	6869000	usd
CY2022	rbb	Loans And Leases Receivable Related Parties Recategorized LoansAndLeasesReceivableRelatedPartiesRecategorized	-0	usd
CY2023Q3	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	0	usd
CY2022Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	6869000	usd
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.284	pure
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.289	pure
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.295	pure
CY2023Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P8Y
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P8Y
CY2022Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0292	pure
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0255	pure
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0252	pure
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0427	pure
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.04	pure
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0271	pure
CY2023Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	5.49
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.16
CY2022Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	5.28
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	454610
CY2022Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	16.97
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	30000
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	19.87
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	9153
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	17.38
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	37304
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	11.15
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	438153
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	17.66
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y4M20D
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	0	usd
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	336482
CY2023Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	17.06
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y1M9D
CY2023Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	0	usd
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	127005
CY2022Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	4.69
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	50334
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	62495
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	643000	usd
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	1300000	usd
CY2023Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	101671
CY2022Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	107005
CY2023Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	5.21
CY2022Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	4.37
CY2023Q3	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0
CY2022Q3	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	217932
CY2022Q3	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	2600000	usd
CY2022Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2100000	usd
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	9153
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	159000	usd
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	442308
	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	5400000	usd
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	25000	usd
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	3900000	usd
CY2023Q3	rbb	Required Assets To Liabilities Ratio After Dividend Effect RequiredAssetsToLiabilitiesRatioAfterDividendEffect	1.25	pure
	rbb	Financing Receivables Collateral Dependent Writedown FinancingReceivablesCollateralDependentWritedown	2600000	usd
	rbb	Write Down On Other Real Estate Owned WriteDownOnOtherRealEstateOwned	0	usd
CY2023Q3	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	293000	usd
CY2023Q3	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	190000	usd
CY2023Q3	us-gaap	Profit Loss ProfitLoss	8473000	usd
CY2022Q3	us-gaap	Profit Loss ProfitLoss	16652000	usd
CY2023Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	18995303
CY2022Q3	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	19011672
CY2023Q3	rbb	Weighted Average Number Of Shares Impact WeightedAverageNumberOfSharesImpact	0
CY2022Q3	rbb	Weighted Average Number Of Shares Impact WeightedAverageNumberOfSharesImpact	-23229
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	8473000	usd
CY2023Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18995303
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	16652000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18988443
CY2023Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	2001
CY2022Q3	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	125684
CY2023Q3	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	0
CY2022Q3	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	16320
CY2023Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	8473000	usd
CY2023Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	18997304
CY2022Q3	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	16652000	usd
CY2022Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19130447
CY2023Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.45
CY2022Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.88
CY2023Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.45
CY2022Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.87
	us-gaap	Profit Loss ProfitLoss	30392000	usd
	us-gaap	Profit Loss ProfitLoss	46746000	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	-0	usd
	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	34000	usd
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	18995303
	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	19011672
	rbb	Weighted Average Number Of Shares Impact WeightedAverageNumberOfSharesImpact	-3724
	rbb	Weighted Average Number Of Shares Impact WeightedAverageNumberOfSharesImpact	131060
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	30392000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	18991579
	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	46712000	usd
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	19142732
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	30392000	usd
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19013838
	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	46712000	usd
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19415558
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.6
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.44
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.6
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.41
CY2023Q3	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	222000	usd
CY2022Q3	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	0	usd
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	222000	usd
	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	757000	usd
CY2023Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1482000	usd
CY2022Q3	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1214000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4105000	usd
	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	4435000	usd
CY2023Q3	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	1288000	usd
CY2022Q3	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	1321000	usd
	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	3520000	usd
	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	4464000	usd
CY2023Q3	us-gaap	Noninterest Income NoninterestIncome	2770000	usd
CY2022Q3	us-gaap	Noninterest Income NoninterestIncome	2535000	usd
	us-gaap	Noninterest Income NoninterestIncome	7625000	usd
	us-gaap	Noninterest Income NoninterestIncome	8899000	usd
CY2023Q3	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	6700000	usd
CY2022Q4	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	7600000	usd
CY2023Q3	us-gaap	Qualified Affordable Housing Project Investments Commitment QualifiedAffordableHousingProjectInvestmentsCommitment	2500000	usd
CY2022Q4	us-gaap	Qualified Affordable Housing Project Investments Commitment QualifiedAffordableHousingProjectInvestmentsCommitment	2600000	usd
CY2023Q3	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	282000	usd
CY2022Q3	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	268000	usd
	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	846000	usd
	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	778000	usd

Files In Submission

Name	View Source	Status
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0001437749-23-031921-index.html	Edgar Link	pending
0001437749-23-031921.txt	Edgar Link	pending
0001437749-23-031921-xbrl.zip	Edgar Link	pending
ex_569085.htm	Edgar Link	pending
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$RBB
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2023 Q4 Form 10-Q Financial Statement

#000143774923031921 Filed on November 14, 2023

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$RBB RBB Bancorp Stock $rbb

2023 Q4 Form 10-Q Financial Statement

#000143774923031921 Filed on November 14, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RBB
RBB Bancorp Stock $rbb