$RBB
RBB Bancorp Stock $rbb

$rbb Overview Financials Valuation SEC Filings Company Website

2020 Q1 Form 10-K Financial Statement

#000156459020011272 Filed on March 17, 2020

Income Statement

Concept	2020 Q1	2019 Q4	2019
Revenue	$34.03M	$33.91M	$141.7M
YoY Change	-8.54%	-3.62%	38.79%
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	$1.900M	$1.700M	$6.800M
YoY Change	111.11%	112.5%	300.0%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense	$10.44M	$10.78M	$44.86M
YoY Change	-7.61%	12.35%	89.73%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income	$10.00M	$14.82M	$55.32M
YoY Change	-29.77%	8.38%	19.73%
Income Tax	$3.252M	$4.149M	$16.11M
% Of Pretax Income	32.52%	27.99%	29.12%
Net Earnings	$6.748M	$10.68M	$39.21M
YoY Change	-34.99%	12.49%	8.6%
Net Earnings / Revenue	19.83%	31.48%	27.67%
Basic Earnings Per Share	$0.34	$0.53	$1.96
Diluted Earnings Per Share	$0.33	$0.52	$1.92
COMMON SHARES
Basic Shares Outstanding	19.96M	20.03M	20.02M
Diluted Shares Outstanding			20.39M

Balance Sheet

Concept	2020 Q1	2019 Q4	2019
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$361.0M	$181.8M
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	$24.50M	$16.81M	$16.80M
YoY Change	41.62%	-2.85%	-2.89%
Goodwill	$10.68M	$58.60M
YoY Change		0.37%
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$0.00	$2.300M	$2.300M
YoY Change	-100.0%	-50.0%	-50.0%
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$3.129B	$2.789B	$2.789B
YoY Change	5.06%	-6.24%	-6.24%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$15.10M	$17.40M	$17.40M
YoY Change	-11.18%	-20.55%	-20.55%
Accrued Expenses
YoY Change
Deferred Revenue
YoY Change
Short-Term Debt
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$15.10M	$17.40M	$17.40M
YoY Change	-24.5%	-20.55%	-20.55%
LONG-TERM LIABILITIES
Long-Term Debt	$118.3M	$113.7M	$113.7M
YoY Change	4.41%	0.44%	0.44%
Other Long-Term Liabilities	$1.000M	$800.0K	$800.0K
YoY Change	66.67%	14.29%	14.29%
Total Long-Term Liabilities	$119.3M	$114.5M	$114.5M
YoY Change	4.74%	0.53%	0.53%
TOTAL LIABILITIES
Total Short-Term Liabilities	$15.10M	$17.40M	$17.40M
Total Long-Term Liabilities	$119.3M	$114.5M	$114.5M
Total Liabilities	$2.721B	$2.381B	$2.381B
YoY Change	4.91%	-8.41%	-8.41%
SHAREHOLDERS EQUITY
Retained Earnings		$112.0M
YoY Change		37.28%
Common Stock		$295.3M
YoY Change		0.36%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$407.9M	$407.6M	$407.6M
YoY Change
Total Liabilities & Shareholders Equity	$3.129B	$2.789B	$2.789B
YoY Change	5.06%	-6.24%	-6.24%

Cashflow Statement

Concept	2020 Q1	2019 Q4	2019
OPERATING ACTIVITIES
Net Income	$6.748M	$10.68M	$39.21M
YoY Change	-34.99%	12.49%	8.6%
Depreciation, Depletion And Amortization	$1.900M	$1.700M	$6.800M
YoY Change	111.11%	112.5%	300.0%
Cash From Operating Activities	$78.20M	$209.5M	$476.5M
YoY Change	-30.04%	252.69%	-662.88%
INVESTING ACTIVITIES
Capital Expenditures	$135.0K	-$400.0K	$1.350M
YoY Change	-72.11%	0.0%	-45.74%
Acquisitions	-$6.634M		$0.00
YoY Change			-100.0%
Other Investing Activities	-$40.60M	-$170.5M	-$218.0M
YoY Change	1027.78%	140.14%	-31.85%
Cash From Investing Activities	-$40.75M	-$171.0M	-$219.4M
YoY Change	896.58%	139.5%	-31.96%
FINANCING ACTIVITIES
Cash Dividend Paid	$2.414M		$8.033M
YoY Change	20.28%		39.63%
Common Stock Issuance & Retirement, Net	$5.254M		$3.190M
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	$141.8M	-39.80M	-$223.0M
YoY Change	-2774.1%	237.29%	-155.12%
NET CHANGE
Cash From Operating Activities	$78.20M	209.5M	$476.5M
Cash From Investing Activities	-$40.75M	-171.0M	-$219.4M
Cash From Financing Activities	$141.8M	-39.80M	-$223.0M
Net Change In Cash	$179.2M	-1.300M	$34.08M
YoY Change	75.01%	-94.54%	-1542.15%
FREE CASH FLOW
Cash From Operating Activities	$78.20M	$209.5M	$476.5M
Capital Expenditures	$135.0K	-$400.0K	$1.350M
Free Cash Flow	$78.07M	$209.9M	$475.1M
YoY Change	-29.86%	251.0%	-645.26%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
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CY2019	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
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CY2017	rbb	Dividend Income On Fhlb Stock DividendIncomeOnFHLBStock	472000
CY2019	dei	Document Annual Report DocumentAnnualReport	true
CY2019	dei	Document Transition Report DocumentTransitionReport	false
CY2019	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
CY2019	dei	Entity Registrant Name EntityRegistrantName	RBB BANCORP
CY2019	dei	Entity Central Index Key EntityCentralIndexKey	0001499422
CY2019	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2019	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2019	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2019	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2019	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2019	dei	Entity Small Business EntitySmallBusiness	false
CY2019	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	true
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CY2019	rbb	Service Charges Fees And Other Income ServiceChargesFeesAndOtherIncome	4072000
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CY2017	us-gaap	Occupancy Net OccupancyNet	2940000
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CY2017	us-gaap	Gains Losses On Sales Of Other Real Estate GainsLossesOnSalesOfOtherRealEstate	142000
CY2019	us-gaap	Noninterest Income NoninterestIncome	18320000
CY2018	us-gaap	Noninterest Income NoninterestIncome	12842000
CY2017	us-gaap	Noninterest Income NoninterestIncome	13201000
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	32909000
CY2018	us-gaap	Labor And Related Expense LaborAndRelatedExpense	23254000
CY2017	us-gaap	Labor And Related Expense LaborAndRelatedExpense	16821000
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CY2019	dei	Entity Shell Company EntityShellCompany	false
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CY2019Q2	dei	Entity Public Float EntityPublicFloat	328999122
CY2019	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2019	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	27-2776416
CY2019	dei	Entity File Number EntityFileNumber	001-38149
CY2019	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	CA
CY2019	dei	Entity Address Address Line1 EntityAddressAddressLine1	1055 Wilshire Blvd.
CY2019	dei	Entity Address Address Line2 EntityAddressAddressLine2	12th floor
CY2019	dei	Entity Address City Or Town EntityAddressCityOrTown	Los Angeles
CY2019	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2019	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	90017
CY2019	dei	City Area Code CityAreaCode	213
CY2019	dei	Local Phone Number LocalPhoneNumber	627-9888
CY2019	dei	Security12b Title Security12bTitle	Common Stock, No Par Value
CY2019	dei	Trading Symbol TradingSymbol	RBB
CY2019	dei	Security Exchange Name SecurityExchangeName	NASDAQ
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CY2019	rbb	Foreclosed Real Estate Expense Income ForeclosedRealEstateExpenseIncome	337000
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CY2017	us-gaap	Business Combination Integration Related Costs BusinessCombinationIntegrationRelatedCosts	37000
CY2019	us-gaap	Noninterest Expense NoninterestExpense	57473000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	55321000
CY2018	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	46206000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	16112000
CY2018	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10101000
CY2017	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	21269000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	39209000
CY2018	us-gaap	Net Income Loss NetIncomeLoss	36105000
CY2017	us-gaap	Net Income Loss NetIncomeLoss	25528000
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.96
CY2018	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	2.11
CY2017	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.81
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.92
CY2018	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	2.01
CY2017	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.68
CY2019	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.40
CY2018	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.35
CY2017	us-gaap	Common Stock Dividends Per Share Cash Paid CommonStockDividendsPerShareCashPaid	0.38
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	20017306
CY2018	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	17151222
CY2017	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	14078281
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	20393424
CY2018	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	17967653
CY2017	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	15238365
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	7000
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	2000
CY2019	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	664000
CY2018	us-gaap	Other Comprehensive Income Availableforsale Securities Tax Portion Attributable To Parent OtherComprehensiveIncomeAvailableforsaleSecuritiesTaxPortionAttributableToParent	-376000
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	1577000
CY2018	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-895000
CY2017	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-104000
CY2016Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	181585000
CY2017	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	779000
CY2017	us-gaap	Dividends Cash DividendsCash	5118000
CY2018	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	35210000
CY2017	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	25424000
CY2017	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2296000
CY2017	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	60210000
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	265176000
CY2018	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	684000
CY2018	us-gaap	Dividends Cash DividendsCash	5753000
CY2018	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	9629000
CY2018	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	69603000
CY2018	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	72000
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	689000
CY2019	us-gaap	Dividends Cash DividendsCash	8033000
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	2817000
CY2019	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	3190000
CY2017	rbb	Common Stock Issued Issuance Cost CommonStockIssuedIssuanceCost	5518000
CY2019	us-gaap	Profit Loss ProfitLoss	39209000
CY2018	us-gaap	Profit Loss ProfitLoss	36105000
CY2017	us-gaap	Profit Loss ProfitLoss	25528000
CY2019	rbb	Depreciation And Amortization Of Premises And Equipment DepreciationAndAmortizationOfPremisesAndEquipment	1914000
CY2018	rbb	Depreciation And Amortization Of Premises And Equipment DepreciationAndAmortizationOfPremisesAndEquipment	1833000
CY2017	rbb	Depreciation And Amortization Of Premises And Equipment DepreciationAndAmortizationOfPremisesAndEquipment	525000
CY2019	rbb	Net Accretion Of Investment Securities And Other NetAccretionOfInvestmentSecuritiesAndOther	2845000
CY2018	rbb	Net Accretion Of Investment Securities And Other NetAccretionOfInvestmentSecuritiesAndOther	1754000
CY2017	rbb	Net Accretion Of Investment Securities And Other NetAccretionOfInvestmentSecuritiesAndOther	4801000
CY2019	rbb	Amortization Of Investment In Affordable Housing Tax Credits AmortizationOfInvestmentInAffordableHousingTaxCredits	900000
CY2018	rbb	Amortization Of Investment In Affordable Housing Tax Credits AmortizationOfInvestmentInAffordableHousingTaxCredits	644000
CY2017	rbb	Amortization Of Investment In Affordable Housing Tax Credits AmortizationOfInvestmentInAffordableHousingTaxCredits	316000
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	4856000
CY2018	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3302000
CY2017	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1845000
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	689000
CY2018	us-gaap	Share Based Compensation ShareBasedCompensation	684000
CY2017	us-gaap	Share Based Compensation ShareBasedCompensation	779000
CY2019	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	1503000
CY2018	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-383000
CY2017	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	5083000
CY2019	us-gaap	Gain Loss On Sale Of Property Plant Equipment GainLossOnSaleOfPropertyPlantEquipment	6000
CY2019	rbb	Increase Decrease In Cash Surrender Value On Life Insurance IncreaseDecreaseInCashSurrenderValueOnLifeInsurance	775000
CY2018	rbb	Increase Decrease In Cash Surrender Value On Life Insurance IncreaseDecreaseInCashSurrenderValueOnLifeInsurance	797000
CY2017	rbb	Increase Decrease In Cash Surrender Value On Life Insurance IncreaseDecreaseInCashSurrenderValueOnLifeInsurance	824000
CY2019	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	77514000
CY2018	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	413450000
CY2017	us-gaap	Payments For Origination And Purchases Of Loans Held For Sale PaymentsForOriginationAndPurchasesOfLoansHeldForSale	254629000
CY2019	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	521594000
CY2018	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	301894000
CY2017	us-gaap	Proceeds From Sale Of Loans Held For Sale ProceedsFromSaleOfLoansHeldForSale	265497000
CY2019	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-5506000
CY2018	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-10064000
CY2017	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-23000
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	476468000
CY2018	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-84648000
CY2017	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	28783000
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	197386000
CY2018	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	74171000
CY2017	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	29557000
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	141537000
CY2018	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	64008000
CY2017	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	4353000
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	6143000
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	14470000
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	147685000
CY2018	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-2363000
CY2017	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	31335000
CY2018	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	44591000
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	1590000
CY2017	us-gaap	Proceeds From Maturities Prepayments And Calls Of Held To Maturity Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities	1100000
CY2019	rbb	Proceeds From Redemption Of Federal Home Loan Bank Stock ProceedsFromRedemptionOfFederalHomeLoanBankStock	808000
CY2019	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	7741000
CY2018	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	11077000
CY2017	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	837000
CY2019	rbb	Payments For Proceeds From Investment In Qualified Affordable Housing Projects PaymentsForProceedsFromInvestmentInQualifiedAffordableHousingProjects	2598000
CY2018	rbb	Payments For Proceeds From Investment In Qualified Affordable Housing Projects PaymentsForProceedsFromInvestmentInQualifiedAffordableHousingProjects	1911000
CY2017	rbb	Payments For Proceeds From Investment In Qualified Affordable Housing Projects PaymentsForProceedsFromInvestmentInQualifiedAffordableHousingProjects	5000000
CY2019	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	161426000
CY2018	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	366415000
CY2017	us-gaap	Payments For Proceeds From Loans And Leases PaymentsForProceedsFromLoansAndLeases	218897000
CY2019	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	1053000
CY2017	us-gaap	Proceeds From Sale Of Other Real Estate ProceedsFromSaleOfOtherRealEstate	257000
CY2017	us-gaap	Payments To Acquire Life Insurance Policies PaymentsToAcquireLifeInsurancePolicies	10000000
CY2018	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-25073000
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	17000
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1350000
CY2018	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	2488000
CY2017	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	684000
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-219353000
CY2018	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-322390000
CY2017	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-264446000
CY2019	rbb	Increase Decrease In Demand Deposits And Savings Accounts IncreaseDecreaseInDemandDepositsAndSavingsAccounts	-21758000
CY2018	rbb	Increase Decrease In Demand Deposits And Savings Accounts IncreaseDecreaseInDemandDepositsAndSavingsAccounts	-9807000
CY2017	rbb	Increase Decrease In Demand Deposits And Savings Accounts IncreaseDecreaseInDemandDepositsAndSavingsAccounts	226382000
CY2019	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	126627000
CY2018	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	186588000
CY2017	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-41772000
CY2019	rbb	Increase Decrease In Advances From Federal Home Loan Banks IncreaseDecreaseInAdvancesFromFederalHomeLoanBanks	319500000
CY2018	rbb	Increase Decrease In Advances From Federal Home Loan Banks IncreaseDecreaseInAdvancesFromFederalHomeLoanBanks	-170000000
CY2017	rbb	Increase Decrease In Advances From Federal Home Loan Banks IncreaseDecreaseInAdvancesFromFederalHomeLoanBanks	-25000000
CY2019	us-gaap	Payments Of Dividends PaymentsOfDividends	8033000
CY2018	us-gaap	Payments Of Dividends PaymentsOfDividends	5753000
CY2017	us-gaap	Payments Of Dividends PaymentsOfDividends	5118000
CY2018	us-gaap	Proceeds From Issuance Of Subordinated Long Term Debt ProceedsFromIssuanceOfSubordinatedLongTermDebt	54018000
CY2017	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	60210000
CY2019	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	3190000
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	2817000
CY2018	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	9629000
CY2017	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	2296000
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-223037000
CY2018	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	404675000
CY2017	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	266998000
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	34078000
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	150048000
CY2016Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	118713000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	181763000
CY2019	us-gaap	Interest Paid Net InterestPaidNet	45702000
CY2018	us-gaap	Interest Paid Net InterestPaidNet	19993000
CY2017	us-gaap	Interest Paid Net InterestPaidNet	13848000
CY2018	us-gaap	Income Taxes Paid IncomeTaxesPaid	9335000
CY2017	us-gaap	Income Taxes Paid IncomeTaxesPaid	16935000
CY2017	rbb	Transfer Of Loans To Available For Sale Securities TransferOfLoansToAvailableForSaleSecurities	1000000
CY2019	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	974000
CY2018	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	808000
CY2019	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	107859000
CY2018	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	186503000
CY2017	us-gaap	Transfer Of Portfolio Loans And Leases To Held For Sale1 TransferOfPortfolioLoansAndLeasesToHeldForSale1	165651000
CY2019	rbb	Loan To Facilitate Other Real Estate Owned LoanToFacilitateOtherRealEstateOwned	623000
CY2018	rbb	Loan To Facilitate Other Real Estate Owned LoanToFacilitateOtherRealEstateOwned	104000
CY2017	rbb	Loan To Facilitate Other Real Estate Owned LoanToFacilitateOtherRealEstateOwned	425000
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	2241000
CY2018	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-1271000
CY2017	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Before Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentBeforeTax	-176000
CY2019	us-gaap	Nature Of Operations NatureOfOperations	<p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-weight:bold;font-size:10pt;font-family:Times New Roman;font-style:normal;text-transform:none;font-variant: normal;">NOTE 1 - BUSINESS DESCRIPTION </p> <p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:6pt;"> </p> <p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;color:#auto;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">RBB Bancorp is a financial holding company registered under the Bank Holding Company Act of 1956, 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". At December 31, 2019, the Company had total assets of $2.8 billion, gross consolidated loans (held for investment and held for sale) of $2.3 billion, total deposits of $2.2 billion and total stockholders' equity of $407.7 million. On July 31, 2017, the Company completed its initial public offering of 3,750,000 shares at a price to the public of $23.00 per share. The Company’s stock trades on the Nasdaq Global Select Market under the symbol “RBB”. </p> <p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;"> </p> <p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The Bank provides business banking services to the Chinese-American communities in Los Angeles County, Orange County, Ventura County and in Las Vegas and New York City metropolitan area, including remote deposit, E-banking, mobile banking, commercial and investor real estate loans, business loans and lines of credit, Small Business Administration (“SBA”) 7A and 504 loans, mortgage loans, trade finance and a full range of depository accounts. </p> <p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;"> </p> <p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">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, West Los Angeles, and Westlake Village, California; Las Vegas, Nevada; and Manhattan, Brooklyn, Flushing, and Elmhurst, New York. The Company's primary source of revenue is providing loans to customers, who are predominately small and middle-market businesses and individuals. </p> <p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;"> </p> <p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The Company generates its revenue primarily from interest received on loans and leases and, to a lesser extent, from interest received on investment securities. The Company also derives income from noninterest sources, such as fees received in connection with various lending and deposit services, <font style="color:#auto;">loan servicing, gain on sales of loans and wealth management services. The Company’s principle expenses include interest expense on deposits and subordinated debentures, and operating expenses, such as salaries and employee benefits, occupancy and equipment, data processing, and income tax expense. </font></p> <p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:10pt;"> </p> <p style="text-align:justify;margin-top:2pt;margin-bottom:0pt;text-indent:0%;color:#auto;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">As part of the FAIC acquisition, the Company acquired FAIB Capital Corp. (FAICC) that was formed on January 29, 2014.  FAICC is a real estate investment trust subsidiary of the Bank.</p> <p style="text-align:justify;margin-top:12pt;margin-bottom:0pt;text-indent:0%;color:#auto;font-size:10pt;font-family:Times New Roman;font-weight:normal;font-style:normal;text-transform:none;font-variant: normal;">The Company has completed five acquisitions from July 8, 2011 through October 15, 2018, including the acquisition of <font style="color:#000000;">First American International Corp. (“FAIC”) and its wholly-owned subsidiary, First American International Bank (“FAIB”), in which the FAIC acquisition closed on October 15, 2018. FAIB operated three branches in Queens, two in Manhattan, and two in Brooklyn, New York with an operating center and loan production offices in Brooklyn and an administrative center in Manhattan.  As part of the FAIC acquisition, the Company acquired FAIB Capital Corp. (“FAICC”) that was formed on January 29, 2014.  FAICC is a real estate investment trust subsidiary of the Bank.  See Note 3 – Acquisition, for more information about the FAIC acquisition transactions. 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.</font> </p> <p style="text-align:justify;margin-bottom:0pt;margin-top:0pt;text-indent:0%;font-family:Times New Roman;font-size:9pt;"> </p>
CY2018	rbb	Gain Loss On Sale Of Commercial Real Estate Loans GainLossOnSaleOfCommercialRealEstateLoans	0
CY2017	rbb	Gain Loss On Sale Of Commercial Real Estate Loans GainLossOnSaleOfCommercialRealEstateLoans	0
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2019	us-gaap	Proceeds From Sale Of Loans Held For Investment ProceedsFromSaleOfLoansHeldForInvestment	2300000000
	us-gaap	Number Of Businesses Acquired NumberOfBusinessesAcquired	5
CY2019Q4	rbb	Number Of Inactive Subsidiaries Acquired NumberOfInactiveSubsidiariesAcquired	4
CY2019Q4	rbb	Number Of Statutory Business Trusts Acquired NumberOfStatutoryBusinessTrustsAcquired	2
CY2019Q4	us-gaap	Cash Reserve Deposit Required And Made CashReserveDepositRequiredAndMade	29500000
CY2018Q4	us-gaap	Cash Reserve Deposit Required And Made CashReserveDepositRequiredAndMade	24500000
CY2019	rbb	Debt Securities Evaluation For Other Than Temporary Impairment Measurement Basis DebtSecuritiesEvaluationForOtherThanTemporaryImpairmentMeasurementBasis	quarterly
CY2019	rbb	Threshold Period Past Due To Discontinue Accrual Interest On Loans ThresholdPeriodPastDueToDiscontinueAccrualInterestOnLoans	90 days
CY2019	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	8200000
CY2018	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	4300000
CY2017	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	3700000
CY2019	rbb	Gain Loss On Sale Of Small Business Administration Loans GainLossOnSaleOfSmallBusinessAdministrationLoans	1500000
CY2018	rbb	Gain Loss On Sale Of Small Business Administration Loans GainLossOnSaleOfSmallBusinessAdministrationLoans	2800000
CY2017	rbb	Gain Loss On Sale Of Small Business Administration Loans GainLossOnSaleOfSmallBusinessAdministrationLoans	5600000
CY2019	rbb	Gain Loss On Sale Of Commercial Real Estate Loans GainLossOnSaleOfCommercialRealEstateLoans	152000
CY2018	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	1285000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1056000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	879000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	749000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	638000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	1493000
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	6100000
CY2019Q4	us-gaap	Notes Receivable Net NotesReceivableNet	2300000000
CY2019Q4	rbb	Percentage Of Gross Loans With Libor Based Reference Rate PercentageOfGrossLoansWithLIBORBasedReferenceRate	0.25
CY2018Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	75663000
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	435000
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	106000
CY2019Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	95000
CY2018Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	2007000
CY2019Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	300000
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	143000
CY2018Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	164000
CY2017	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0
CY2019Q4	rbb	Number Of Investment Securities Pledged As Collateral NumberOfInvestmentSecuritiesPledgedAsCollateral	1
CY2018Q4	rbb	Number Of Investment Securities Pledged As Collateral NumberOfInvestmentSecuritiesPledgedAsCollateral	1
CY2019Q4	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	627000
CY2018Q4	us-gaap	Security Owned And Pledged As Collateral Fair Value SecurityOwnedAndPledgedAsCollateralFairValue	697000
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	74577000
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	26622000
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	20518000
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	4012000
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	74598000
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	26629000
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	20812000
CY2019Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	4030000
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	285000
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	2756000
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	870000
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	4421000
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	289000
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	2824000
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	958000
CY2019Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	4561000
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	56000
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	73000
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	11410000
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	6240000
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	11
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsNumberOfPositions	5
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	39000
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	1934000
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	4865000
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	46498000
CY2019Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	8
CY2018Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Number Of Positions DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerNumberOfPositions	41
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	95000
CY2018Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	2007000
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	16275000
CY2018Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	52738000
CY2019Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	19
CY2018Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Number Of Positions DebtSecuritiesAvailableForSaleUnrealizedLossPositionNumberOfPositions	46
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	104000
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	2468000
CY2018Q4	rbb	Held To Maturity Securities In Unrealized Loss Positions Qualitative Disclosure Less Than12 Months Number Of Positions HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureLessThan12MonthsNumberOfPositions	6
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	60000
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	2174000
CY2018Q4	rbb	Held To Maturity Securities In Unrealized Loss Positions Qualitative Disclosure12 Months Or Longer Number Of Positions HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosure12MonthsOrLongerNumberOfPositions	4
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	164000
CY2018Q4	rbb	Allowance For Credit Losses Reserve Change In Method Of Calculating Impairment AllowanceForCreditLossesReserveChangeInMethodOfCalculatingImpairment	17577000
CY2018Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	4642000
CY2018Q4	us-gaap	Held To Maturity Securities In Unrealized Loss Positions Qualitative Disclosure Number Of Positions HeldToMaturitySecuritiesInUnrealizedLossPositionsQualitativeDisclosureNumberOfPositions	10
CY2017Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	13773000
CY2018Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	3281000
CY2019	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0
CY2019Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	2183716000
CY2016Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	14162000
CY2019	rbb	Allowance For Loan And Lease Losses Loans Acquired And Sold AllowanceForLoanAndLeaseLossesLoansAcquiredAndSold	2390000
CY2018	rbb	Allowance For Loan And Lease Losses Loans Acquired And Sold AllowanceForLoanAndLeaseLossesLoansAcquiredAndSold	4469000
CY2017	rbb	Allowance For Loan And Lease Losses Loans Acquired And Sold AllowanceForLoanAndLeaseLossesLoansAcquiredAndSold	-1053000
CY2019	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	108000
CY2018	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	36000
CY2017	us-gaap	Allowance For Loan And Lease Loss Recovery Of Bad Debts AllowanceForLoanAndLeaseLossRecoveryOfBadDebts	747000
CY2019	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	1259000
CY2018	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	701000
CY2017	us-gaap	Allowance For Loan And Lease Losses Write Offs AllowanceForLoanAndLeaseLossesWriteOffs	83000
CY2019Q4	rbb	Allowance For Credit Losses Reserve Change In Method Of Calculating Impairment AllowanceForCreditLossesReserveChangeInMethodOfCalculatingImpairment	18816000
CY2019Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	13218000
CY2018Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	2138734000
CY2017Q4	rbb	Allowance For Credit Losses Reserve Change In Method Of Calculating Impairment AllowanceForCreditLossesReserveChangeInMethodOfCalculatingImpairment	13773000
CY2017Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	2575000
CY2017Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	1246184000
CY2017Q4	us-gaap	Loans And Leases Receivable Net Of Deferred Income LoansAndLeasesReceivableNetOfDeferredIncome	1249074000
CY2019Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2196934000
CY2018Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2142015000
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	15830000
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Past Due FinancingReceivableRecordedInvestmentPastDue	5047000
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	2181104000
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Current FinancingReceivableRecordedInvestmentCurrent	2136968000
CY2019Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	11437000
CY2018Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	914000
CY2019Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	13234000
CY2018Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	3281000
CY2017Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	2575000
CY2019Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	13218000
CY2018Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	3982000
CY2017Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	2575000
CY2019	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	14797000
CY2018	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	3979000
CY2017	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	2566000
CY2019	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	128000
CY2018	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	177000
CY2017	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	328000
CY2019	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	0
CY2018	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	0
CY2017	us-gaap	Impaired Financing Receivable Interest Income Cash Basis Method ImpairedFinancingReceivableInterestIncomeCashBasisMethod	0
CY2019	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	0
CY2018	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	0
CY2019	us-gaap	Loans And Leases Receivable Impaired Troubled Debt Interest Income LoansAndLeasesReceivableImpairedTroubledDebtInterestIncome	128000
CY2018	us-gaap	Loans And Leases Receivable Impaired Troubled Debt Interest Income LoansAndLeasesReceivableImpairedTroubledDebtInterestIncome	177000
CY2019Q4	rbb	Number Of Loans Identified As Troubled Debt Restructurings NumberOfLoansIdentifiedAsTroubledDebtRestructurings	4
CY2018Q4	rbb	Number Of Loans Identified As Troubled Debt Restructurings NumberOfLoansIdentifiedAsTroubledDebtRestructurings	4
CY2019Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0
CY2018Q4	us-gaap	Loans And Leases Receivable Impaired Commitment To Lend LoansAndLeasesReceivableImpairedCommitmentToLend	0
CY2018	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0
CY2019Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance	0
CY2018Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Outstanding Balance CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesOutstandingBalance	0
CY2017Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	7000
CY2016Q4	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYield	142000
CY2018	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	7000
CY2017	us-gaap	Certain Loans Acquired In Transfer Not Accounted For As Debt Securities Accretable Yield Accretion CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldAccretion	135000
CY2019Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	24684000
CY2018Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	22521000
CY2019Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	8102000
CY2018Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	6312000
CY2019Q4	rbb	Construction In Progress Net ConstructionInProgressNet	231000
CY2018Q4	rbb	Construction In Progress Net ConstructionInProgressNet	1098000
CY2018	rbb	Depreciation And Leasehold Amortization Excluding Intangibles Amortization DepreciationAndLeaseholdAmortizationExcludingIntangiblesAmortization	1800000
CY2017	rbb	Depreciation And Leasehold Amortization Excluding Intangibles Amortization DepreciationAndLeaseholdAmortizationExcludingIntangiblesAmortization	989000
CY2016	rbb	Depreciation And Leasehold Amortization Excluding Intangibles Amortization DepreciationAndLeaseholdAmortizationExcludingIntangiblesAmortization	686000
CY2019	rbb	Operating Leases Expiration Various Dates Through Year OperatingLeasesExpirationVariousDatesThroughYear	2028
CY2019Q4	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	5603000
CY2019Q4	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	4634000
CY2019Q4	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	4192000
CY2019Q4	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	3250000
CY2019Q4	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	2209000
CY2019Q4	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	8998000
CY2019Q4	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	28886000
CY2019	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	6100000
CY2018	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	2700000
CY2017	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	1500000
CY2019	rbb	Operating Lease Expiration Date OperatingLeaseExpirationDate	2018-05
CY2019	us-gaap	Sublease Income SubleaseIncome	197000
CY2019Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	1215913000
CY2019Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	34863000
CY2019Q4	rbb	Time Deposit Maturities Over Three Years TimeDepositMaturitiesOverThreeYears	1909000
CY2019Q4	us-gaap	Time Deposits TimeDeposits	1252685000
CY2019Q4	rbb	Brokered Time Deposits BrokeredTimeDeposits	67100000
CY2018Q4	rbb	Brokered Time Deposits BrokeredTimeDeposits	113800000
CY2019Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	105000000
CY2018Q4	us-gaap	Debt Instrument Face Amount DebtInstrumentFaceAmount	105000000
CY2019Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	951000
CY2018Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	1292000
CY2019	us-gaap	Interest Expense Debt InterestExpenseDebt	6649000
CY2018	us-gaap	Interest Expense Debt InterestExpenseDebt	3552000
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	342000
CY2018	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	162000
CY2019	rbb	Debt Amortization Expense DebtAmortizationExpense	167000
CY2018	rbb	Debt Amortization Expense DebtAmortizationExpense	106000
CY2017	rbb	Debt Amortization Expense DebtAmortizationExpense	90000
CY2019Q4	us-gaap	Line Of Credit LineOfCredit	0
CY2018Q4	us-gaap	Line Of Credit LineOfCredit	0
CY2019Q4	us-gaap	Advances From Federal Home Loan Banks AdvancesFromFederalHomeLoanBanks	0
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	8074000
CY2018	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	6616000
CY2017	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	12097000
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	5614000
CY2018	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3451000
CY2017	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3773000
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	13688000
CY2018	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	10067000
CY2017	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	15870000
CY2018	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-131000
CY2017	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	2492000
CY2019	rbb	Deferred Income Tax Adjustment For Change In Tax Rate DeferredIncomeTaxAdjustmentForChangeInTaxRate	21000
CY2018	rbb	Deferred Income Tax Adjustment For Change In Tax Rate DeferredIncomeTaxAdjustmentForChangeInTaxRate	-479000
CY2017	rbb	Deferred Income Tax Adjustment For Change In Tax Rate DeferredIncomeTaxAdjustmentForChangeInTaxRate	2591000
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	11617000
CY2018	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	9703000
CY2017	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	16379000
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	5322000
CY2018	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3488000
CY2017	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	3135000
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1503000
CY2019	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	25000
CY2018	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	27000
CY2017	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	297000
CY2019	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	17000
CY2018	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	-479000
CY2017	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	2591000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-27000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	-2643000
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-792000
CY2018	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	59000
CY2017	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-539000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2018	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2017	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.350
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.096
CY2018	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.075
CY2017	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.067
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.001
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Tax Exempt Income EffectiveIncomeTaxRateReconciliationTaxExemptIncome	0.006
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	-0.010
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Change In Enacted Tax Rate EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate	0.055
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	0.000
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	-0.057
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	0.000
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.014
CY2018	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.001
CY2017	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.012
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.292
CY2018	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.218
CY2017	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.454
CY2019Q4	rbb	Deferred Tax Assets Pre Opening Expenses DeferredTaxAssetsPreOpeningExpenses	122000
CY2018Q4	rbb	Deferred Tax Assets Pre Opening Expenses DeferredTaxAssetsPreOpeningExpenses	154000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	5883000
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	5545000
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1346000
CY2018Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1419000
CY2019Q4	rbb	Deferred Tax Assets Off Balance Sheet Reserve DeferredTaxAssetsOffBalanceSheetReserve	258000
CY2018Q4	rbb	Deferred Tax Assets Off Balance Sheet Reserve DeferredTaxAssetsOffBalanceSheetReserve	217000
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	1253000
CY2018Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	1688000
CY2019Q4	rbb	Deferred Tax Assets Other Real Estate Owned DeferredTaxAssetsOtherRealEstateOwned	37000
CY2018Q4	rbb	Deferred Tax Assets Other Real Estate Owned DeferredTaxAssetsOtherRealEstateOwned	10000
CY2018Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	600000
CY2019Q4	rbb	Deferred Tax Assets Mark To Mark On Held For Sale Mortgage Loans DeferredTaxAssetsMarkToMarkOnHeldForSaleMortgageLoans	359000
CY2018Q4	rbb	Deferred Tax Assets Mark To Mark On Held For Sale Mortgage Loans DeferredTaxAssetsMarkToMarkOnHeldForSaleMortgageLoans	2451000
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1594000
CY2018Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1220000
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	10852000
CY2018Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	13304000
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	282000
CY2018Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	521000
CY2019Q4	rbb	Deferred Tax Liabilities Unrealized Gains On Available For Sale Securities Gross DeferredTaxLiabilitiesUnrealizedGainsOnAvailableForSaleSecuritiesGross	106000
CY2019Q4	rbb	Deferred Tax Liabilities Acquisition Accounting Fair Value Adjustments DeferredTaxLiabilitiesAcquisitionAccountingFairValueAdjustments	2671000
CY2018Q4	rbb	Deferred Tax Liabilities Acquisition Accounting Fair Value Adjustments DeferredTaxLiabilitiesAcquisitionAccountingFairValueAdjustments	2067000
CY2019Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	3745000
CY2018Q4	us-gaap	Deferred Tax Liabilities Mortgage Servicing Rights DeferredTaxLiabilitiesMortgageServicingRights	3586000
CY2019Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	1722000
CY2018Q4	us-gaap	Deferred Tax Liabilities Other DeferredTaxLiabilitiesOther	2488000
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	8526000
CY2018Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	8662000
CY2019	us-gaap	Operating Loss Carryforwards Limitations On Use OperatingLossCarryforwardsLimitationsOnUse	begin to expire in 2028
CY2019	rbb	Operating Loss Carry Forwards Expiration Year Start OperatingLossCarryForwardsExpirationYearStart	2028
CY2019	us-gaap	Income Tax Examination Description IncomeTaxExaminationDescription	Income tax returns for the years ended after December 31, 2015 are open to audit by the federal and New York authorities and for the years ended after December 31, 2014 are open to audit by California state authorities.
CY2019	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0
CY2018	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0
CY2017	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0
CY2019	rbb	Adjustment To Uncertain Tax Position AdjustmentToUncertainTaxPosition	0
CY2019	us-gaap	Loans And Leases Receivable Commitments Fixed Rates LoansAndLeasesReceivableCommitmentsFixedRates	58274000
CY2018	us-gaap	Loans And Leases Receivable Commitments Fixed Rates LoansAndLeasesReceivableCommitmentsFixedRates	70145000
CY2019	us-gaap	Loans And Leases Receivable Commitments Variable Rates LoansAndLeasesReceivableCommitmentsVariableRates	271925000
CY2018	us-gaap	Loans And Leases Receivable Commitments Variable Rates LoansAndLeasesReceivableCommitmentsVariableRates	202191000
CY2018Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	3600000
CY2017Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	2300000
CY2019	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	16180000
CY2018	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	7400000
CY2019	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	15780000
CY2018	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	6100000
CY2019Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	4000000
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	689000
CY2018	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	684000
CY2017	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	779000
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	161000
CY2018	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	202000
CY2017	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	246000
CY2019	rbb	Share Based Compensation Arrangement By Share Based Payment Award Unamortized Restricted Stock Compensation ShareBasedCompensationArrangementByShareBasedPaymentAwardUnamortizedRestrictedStockCompensation	691000
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.350
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.350
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2016	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.0190
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0.00
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0266
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0193
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.32
CY2016	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	6.76
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1215097
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	76500
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	200629
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1090968
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	1014468
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	12.83
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	18.38
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	13.43
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	13.11
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	12.72
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y25D
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P3Y8M8D
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	8790000
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	8577000
CY2019Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	332000
CY2019	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1200000
CY2018	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	13600000
CY2017	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	2800000
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	460000
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	734000
CY2017	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested In Period Fair Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedInPeriodFairValue1	930000
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	76500
CY2018Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	62008
CY2017Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	163996
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	6.32
CY2018Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	6.48
CY2017Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	6.53
CY2015Q1	rbb	Tier One Risk Based Common Equity Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCommonEquityCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.045
CY2015Q1	rbb	Tier One Risk Based Common Equity Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCommonEquityCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.065
CY2015Q1	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.040
CY2015Q1	rbb	Increased Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets IncreasedTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.060
CY2015Q1	us-gaap	Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets TierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.060
CY2015Q1	rbb	Increased Tier One Risk Based Capital Required To Be Well Capitalized To Risk Weighted Assets IncreasedTierOneRiskBasedCapitalRequiredToBeWellCapitalizedToRiskWeightedAssets	0.080
CY2019	rbb	Capital Conservation Buffer CapitalConservationBuffer	0.025
CY2016Q1	rbb	Capital Conservation Buffer Annual Increase Percentage CapitalConservationBufferAnnualIncreasePercentage	0.00625
CY2016Q1	rbb	Capital Conservation Buffer Phased In On Pro Rata Basis Period CapitalConservationBufferPhasedInOnProRataBasisPeriod	P4Y
CY2017Q1	rbb	Capital Conservation Buffer Annual Increase Percentage CapitalConservationBufferAnnualIncreasePercentage	0.00625
CY2018Q1	rbb	Capital Conservation Buffer Annual Increase Percentage CapitalConservationBufferAnnualIncreasePercentage	0.00625
CY2019Q1	rbb	Capital Conservation Buffer Annual Increase Percentage CapitalConservationBufferAnnualIncreasePercentage	0.00625
CY2019Q1	rbb	Capital Conservation Buffer CapitalConservationBuffer	0.025
CY2015	rbb	Capital Conservation Buffer Phased CapitalConservationBufferPhased	0.000
CY2019	rbb	Capital Conservation Buffer Phased CapitalConservationBufferPhased	0.0250
CY2019	rbb	Write Down On Other Real Estate Owned WriteDownOnOtherRealEstateOwned	0
CY2018	rbb	Write Down On Other Real Estate Owned WriteDownOnOtherRealEstateOwned	0
CY2019	us-gaap	Undistributed Earnings Loss Allocated To Participating Securities Basic UndistributedEarningsLossAllocatedToParticipatingSecuritiesBasic	74000
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	39135000
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	36105000
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	25528000
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	39135000
CY2018	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	36105000
CY2017	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	25528000
CY2019	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	20030866
CY2018	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	20000022
CY2017	us-gaap	Weighted Average Number Of Shares Issued Basic WeightedAverageNumberOfSharesIssuedBasic	15908893
CY2019	rbb	Weighted Average Number Of Shares Impact WeightedAverageNumberOfSharesImpact	-13560
CY2018	rbb	Weighted Average Number Of Shares Impact WeightedAverageNumberOfSharesImpact	-2848800
CY2017	rbb	Weighted Average Number Of Shares Impact WeightedAverageNumberOfSharesImpact	-1830612
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	376118
CY2018	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	816431
CY2017	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1160084
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	3813000
CY2018	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	2547000
CY2017	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	1952000
CY2019	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	14507000
CY2018Q4	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	9500000
CY2017	rbb	Investment In Affordable Housing Tax Credits InvestmentInAffordableHousingTaxCredits	275000
CY2018	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	10295000
CY2017	us-gaap	Revenue Not From Contract With Customer RevenueNotFromContractWithCustomer	11249000
CY2019Q4	us-gaap	Amortization Method Qualified Affordable Housing Project Investments AmortizationMethodQualifiedAffordableHousingProjectInvestments	8600000
CY2019Q4	us-gaap	Qualified Affordable Housing Project Investments Commitment QualifiedAffordableHousingProjectInvestmentsCommitment	4200000
CY2018Q4	us-gaap	Qualified Affordable Housing Project Investments Commitment QualifiedAffordableHousingProjectInvestmentsCommitment	6800000
CY2019	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	900000
CY2018	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	644000
CY2017	us-gaap	Amortization Method Qualified Affordable Housing Project Investments Amortization AmortizationMethodQualifiedAffordableHousingProjectInvestmentsAmortization	316000
CY2019	rbb	Investment In Affordable Housing Tax Credits InvestmentInAffordableHousingTaxCredits	1100000
CY2018	rbb	Investment In Affordable Housing Tax Credits InvestmentInAffordableHousingTaxCredits	573000
CY2019	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0
CY2018	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0
CY2017	us-gaap	Impairment Of Investments ImpairmentOfInvestments	0
CY2019Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	33907000
CY2019Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	34669000
CY2019Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	35943000
CY2019Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	37206000
CY2018Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	35181000
CY2018Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	24473000
CY2018Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	22284000
CY2018Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	20177000
CY2019Q4	us-gaap	Interest Expense InterestExpense	10784000
CY2019Q3	us-gaap	Interest Expense InterestExpense	11157000
CY2019Q2	us-gaap	Interest Expense InterestExpense	11626000
CY2019Q1	us-gaap	Interest Expense InterestExpense	11294000
CY2018Q4	us-gaap	Interest Expense InterestExpense	9599000
CY2018Q3	us-gaap	Interest Expense InterestExpense	5857000
CY2018Q2	us-gaap	Interest Expense InterestExpense	4457000
CY2018Q1	us-gaap	Interest Expense InterestExpense	3732000
CY2019Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	23123000
CY2019Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	23512000
CY2019Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	24317000
CY2019Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	25912000
CY2018Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	25582000
CY2018Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	18616000
CY2018Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	17827000
CY2018Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	16445000
CY2019Q4	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	659000
CY2019Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	824000
CY2019Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	357000
CY2019Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	550000
CY2018Q4	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1890000
CY2018Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1695000
CY2018Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	700000
CY2018Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	184000
CY2019Q4	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	22464000
CY2019Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	22688000
CY2019Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	23960000
CY2019Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	25362000
CY2018Q4	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	23692000
CY2018Q3	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	16921000
CY2018Q2	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	17127000
CY2018Q3	us-gaap	Noninterest Income NoninterestIncome	2105000
CY2019Q2	us-gaap	Noninterest Expense NoninterestExpense	14899000
CY2018Q1	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	16261000
CY2019Q4	us-gaap	Noninterest Income NoninterestIncome	5823000
CY2019Q3	us-gaap	Noninterest Income NoninterestIncome	2799000
CY2019Q2	us-gaap	Noninterest Income NoninterestIncome	5496000
CY2019Q1	us-gaap	Noninterest Income NoninterestIncome	4202000
CY2018Q4	us-gaap	Noninterest Income NoninterestIncome	5489000
CY2018Q2	us-gaap	Noninterest Income NoninterestIncome	2793000
CY2018Q1	us-gaap	Noninterest Income NoninterestIncome	2455000
CY2019Q4	us-gaap	Noninterest Expense NoninterestExpense	13463000
CY2019Q3	us-gaap	Noninterest Expense NoninterestExpense	13786000
CY2019Q1	us-gaap	Noninterest Expense NoninterestExpense	15325000
CY2018Q4	us-gaap	Noninterest Expense NoninterestExpense	15503000
CY2018Q3	us-gaap	Noninterest Expense NoninterestExpense	8654000
CY2018Q2	us-gaap	Noninterest Expense NoninterestExpense	8191000
CY2018Q1	us-gaap	Noninterest Expense NoninterestExpense	8289000
CY2019Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	14824000
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	11701000
CY2019Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	14557000
CY2019Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	14239000
CY2018Q4	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	13678000
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	10372000
CY2018Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	11729000
CY2018Q1	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	10427000
CY2019Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4149000
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3689000
CY2019Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4415000
CY2019Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3859000
CY2018Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	4188000
CY2018Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2041000
CY2018Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2292000
CY2018Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1580000
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	10675000
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	8012000
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	10142000
CY2019Q1	us-gaap	Net Income Loss NetIncomeLoss	10380000
CY2018Q4	us-gaap	Net Income Loss NetIncomeLoss	9490000
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	8331000
CY2018Q2	us-gaap	Net Income Loss NetIncomeLoss	9437000
CY2018Q1	us-gaap	Net Income Loss NetIncomeLoss	8847000
CY2019Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.53
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.40
CY2019Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.51
CY2019Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.52
CY2018Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.48
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.50
CY2018Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.58
CY2018Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.55
CY2019Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.39
CY2019Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.50
CY2019Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.51
CY2018Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.47
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.48
CY2018Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.54
CY2018Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.52
CY2019Q4	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	1000000000000
CY2019	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	169785
CY2019	us-gaap	Treasury Stock Acquired Average Cost Per Share TreasuryStockAcquiredAverageCostPerShare	18.79

Files In Submission

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$RBB
RBB Bancorp Stock $rbb

2020 Q1 Form 10-K Financial Statement

#000156459020011272 Filed on March 17, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RBB RBB Bancorp Stock $rbb

2020 Q1 Form 10-K Financial Statement

#000156459020011272 Filed on March 17, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$RBB
RBB Bancorp Stock $rbb