$FRBKQ
Stock $frbkq

$frbkq Overview Financials Valuation SEC Filings Company Website

2022 Q4 Form 10-K Financial Statement

#000143774922024725 Filed on October 26, 2022

Income Statement

Concept	2022 Q4	2021 Q4	2021
Revenue		$40.25M	$14.56M
YoY Change		28.81%	-87.34%
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		$2.046M	$8.400M
YoY Change		-2.57%	2.44%
% of Gross Profit
Operating Expenses
YoY Change
Operating Profit
YoY Change
Interest Expense		$4.552M	$18.59M
YoY Change		-17.64%	-19.58%
% of Operating Profit
Other Income/Expense, Net
YoY Change
Pretax Income		$8.456M	$33.70M
YoY Change		49.66%	423.0%
Income Tax		$2.379M	$8.526M
% Of Pretax Income		28.13%	25.3%
Net Earnings		$6.077M	$25.18M
YoY Change		48.18%	398.14%
Net Earnings / Revenue		15.1%	172.96%
Basic Earnings Per Share		$0.09	$0.37
Diluted Earnings Per Share		$80.14K	$331.5K
COMMON SHARES
Basic Shares Outstanding	63.79M	59.45M	58.89M
Diluted Shares Outstanding			75.95M

Balance Sheet

Concept	2021 Q4	2021
SHORT-TERM ASSETS
Cash & Short-Term Investments
YoY Change
Cash & Equivalents	$118.9M
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	$127.4M	$127.4M
YoY Change	3.47%	-35.01%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets
YoY Change
Total Long-Term Assets
YoY Change
TOTAL ASSETS
Total Short-Term Assets
Total Long-Term Assets
Total Assets	$5.627B	$5.627B
YoY Change	11.07%	11.07%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$550.0K	$550.0K
YoY Change	-38.89%	-38.89%
Accrued Expenses	$81.77M	$81.77M
YoY Change	5.37%	5.37%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00
YoY Change	-100.0%	-100.0%
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$82.32M	$82.32M
YoY Change	4.87%	4.87%
LONG-TERM LIABILITIES
Long-Term Debt	$11.28M	$11.28M
YoY Change	-0.2%	-0.2%
Other Long-Term Liabilities	$100.8M	$100.8M
YoY Change	398.89%	398.89%
Total Long-Term Liabilities	$112.1M	$112.1M
YoY Change	255.72%	255.72%
TOTAL LIABILITIES
Total Short-Term Liabilities	$82.32M	$82.32M
Total Long-Term Liabilities	$112.1M	$112.1M
Total Liabilities	$5.303B	$5.303B
YoY Change	11.47%	11.47%
SHAREHOLDERS EQUITY
Retained Earnings	$13.59M
YoY Change	-268.1%
Common Stock	$595.0K
YoY Change	0.17%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$3.725M
YoY Change	0.0%
Treasury Stock Shares	$503.4K
Shareholders Equity	$323.4M	$323.4M
YoY Change
Total Liabilities & Shareholders Equity	$5.627B	$5.627B
YoY Change	11.07%	11.07%

Cashflow Statement

Concept	2021 Q4	2021
OPERATING ACTIVITIES
Net Income	$6.077M	$25.18M
YoY Change	48.18%	398.14%
Depreciation, Depletion And Amortization	$2.046M	$8.400M
YoY Change	-2.57%	2.44%
Cash From Operating Activities	$11.92M	$82.63M
YoY Change	689.14%	-870.12%
INVESTING ACTIVITIES
Capital Expenditures	-$4.186M	$12.69M
YoY Change	240.33%	-11.85%
Acquisitions
YoY Change
Other Investing Activities	-$491.1M	-$1.267B
YoY Change	106.36%	19.06%
Cash From Investing Activities	-$495.3M	-$1.279B
YoY Change	107.04%	18.65%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	218.3M	$540.3M
YoY Change	130.14%	-68.14%
NET CHANGE
Cash From Operating Activities	11.92M	$82.63M
Cash From Investing Activities	-495.3M	-$1.279B
Cash From Financing Activities	218.3M	$540.3M
Net Change In Cash	-265.1M	-$656.4M
YoY Change	85.56%	-208.14%
FREE CASH FLOW
Cash From Operating Activities	$11.92M	$82.63M
Capital Expenditures	-$4.186M	$12.69M
Free Cash Flow	$16.10M	$69.94M
YoY Change	487.66%	-378.42%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	75627000	usd
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	72946000	usd
CY2021Q4	us-gaap	Other Assets OtherAssets	38768000	usd
CY2020Q4	us-gaap	Other Assets OtherAssets	35752000	usd
CY2021Q4	us-gaap	Assets Assets	5626656000	usd
CY2020Q4	us-gaap	Assets Assets	5065735000	usd
CY2021Q4	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	1404360000	usd
CY2020Q4	us-gaap	Noninterest Bearing Domestic Deposit Demand NoninterestBearingDomesticDepositDemand	1006876000	usd
CY2021Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	2283779000	usd
CY2020Q4	us-gaap	Interest Bearing Domestic Deposit Demand InterestBearingDomesticDepositDemand	1776995000	usd
CY2021Q4	frbk	Deposits Money Market And Savings DepositsMoneyMarketAndSavings	1305096000	usd
CY2020Q4	frbk	Deposits Money Market And Savings DepositsMoneyMarketAndSavings	1043519000	usd
CY2021Q4	us-gaap	Time Deposits TimeDeposits	197945000	usd
CY2020Q4	us-gaap	Time Deposits TimeDeposits	186361000	usd
CY2021Q4	us-gaap	Deposits Deposits	5191180000	usd
CY2020Q4	us-gaap	Deposits Deposits	4013751000	usd
CY2021Q4	us-gaap	Other Borrowings OtherBorrowings	0	usd
CY2020Q4	us-gaap	Other Borrowings OtherBorrowings	633866000	usd
CY2021Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	550000	usd
CY2020Q4	us-gaap	Interest Payable Current And Noncurrent InterestPayableCurrentAndNoncurrent	926000	usd
CY2021Q4	us-gaap	Other Liabilities OtherLiabilities	17636000	usd
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	58859778
CY2021Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	503408
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	503408
CY2021Q4	frbk	Deferred Compensation Plan Shares Held DeferredCompensationPlanSharesHeld	25437
CY2020Q4	frbk	Deferred Compensation Plan Shares Held DeferredCompensationPlanSharesHeld	25437
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	-12924000	usd
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	5789000	usd
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Before Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodBeforeTax	5120000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	2000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	2760000	usd
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Before Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesBeforeTax	1103000	usd
CY2021	frbk	Other Comprehensive Income Loss Amortization Of Net Unrealized Holding Losses To Income Before Tax OtherComprehensiveIncomeLossAmortizationOfNetUnrealizedHoldingLossesToIncomeBeforeTax	2414000	usd
CY2020	frbk	Other Comprehensive Income Loss Amortization Of Net Unrealized Holding Losses To Income Before Tax OtherComprehensiveIncomeLossAmortizationOfNetUnrealizedHoldingLossesToIncomeBeforeTax	3018000	usd
CY2019	frbk	Other Comprehensive Income Loss Amortization Of Net Unrealized Holding Losses To Income Before Tax OtherComprehensiveIncomeLossAmortizationOfNetUnrealizedHoldingLossesToIncomeBeforeTax	1658000	usd
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	53550
CY2020	us-gaap	Stock Issued During Period Shares New Issues StockIssuedDuringPeriodSharesNewIssues	2000000
CY2020	us-gaap	Payments Of Stock Issuance Costs PaymentsOfStockIssuanceCosts	1675000	usd
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	17000
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	83375
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	0	usd
CY2020Q4	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	1200000000	usd
CY2021	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses	0	usd
CY2019	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses	0	usd
CY2021	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	pure
CY2019	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	pure
CY2021	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	pure
CY2021Q4	frbk	Brokered Deposits BrokeredDeposits	1000000.0	usd
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	0	usd
CY2021Q4	us-gaap	Liability For Uncertain Tax Positions Current LiabilityForUncertainTaxPositionsCurrent	0	usd
CY2021	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0	usd
CY2019	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0	usd
CY2021	frbk	Annuity Payment Maximum Contractual Term AnnuityPaymentMaximumContractualTerm	P10Y
CY2020Q4	us-gaap	Defined Benefit Pension Plan Current And Noncurrent Liabilities DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities	1100000	usd
CY2021	frbk	Deferred Compensation Plan Benefits Number Of Years To Vest DeferredCompensationPlanBenefitsNumberOfYearsToVest	P3Y
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Expiration Period SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod	P10Y
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Document Annual Report DocumentAnnualReport	true
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-12-31
CY2020Q4	us-gaap	Other Liabilities OtherLiabilities	20232000	usd
CY2021	dei	Document Transition Report DocumentTransitionReport	false
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	81770000	usd
CY2021	dei	Entity File Number EntityFileNumber	000-17007
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	77576000	usd
CY2021Q4	us-gaap	Subordinated Debt SubordinatedDebt	11278000	usd
CY2021	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	PA
CY2020Q4	us-gaap	Subordinated Debt SubordinatedDebt	11271000	usd
CY2021	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	23-2486815
CY2021	frbk	Number Of Mortgage Loans In Process Of Foreclosure NumberOfMortgageLoansInProcessOfForeclosure	1	pure
CY2021	dei	Entity Address Address Line1 EntityAddressAddressLine1	50 South 16th Street
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1647360000	usd
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	836972000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	18964000	usd
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12975000	usd
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		usd
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25.00
CY2020Q4	us-gaap	Preferred Stock Liquidation Preference PreferredStockLiquidationPreference	25.00
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	2000000
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	2000000
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	2000000
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	2000000
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	59471998
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	59388623
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	58943153
CY2021	dei	Entity Address City Or Town EntityAddressCityOrTown	Philadelphia
CY2021	dei	Entity Address State Or Province EntityAddressStateOrProvince	PA
CY2021	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	19102
CY2021	dei	City Area Code CityAreaCode	215
CY2021	dei	Local Phone Number LocalPhoneNumber	735-4422
CY2021	dei	Security12b Title Security12bTitle	Common Stock
CY2021	dei	Trading Symbol TradingSymbol	FRBK
CY2021	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	No
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2021	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
CY2021	dei	Entity Small Business EntitySmallBusiness	true
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021Q2	dei	Entity Public Float EntityPublicFloat	212546594	usd
CY2022Q4	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	63787064
CY2021	dei	Auditor Name AuditorName	Crowe LLP
CY2021	dei	Auditor Firm AuditorFirmId	173
CY2021	dei	Auditor Location AuditorLocation	Livingston, NJ
CY2021Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	14072000	usd
CY2020Q4	us-gaap	Cash And Due From Banks CashAndDueFromBanks	29746000	usd
CY2021Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	104812000	usd
CY2020Q4	us-gaap	Interest Bearing Deposits In Banks InterestBearingDepositsInBanks	745554000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	118884000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents And Federal Funds Sold CashCashEquivalentsAndFederalFundsSold	775300000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1075366000	usd
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	528508000	usd
CY2021Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1660292000	usd
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	814936000	usd
CY2021Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	9173000	usd
CY2020Q4	us-gaap	Equity Securities Fv Ni EquitySecuritiesFvNi	9039000	usd
CY2021Q4	us-gaap	Restricted Investments RestrictedInvestments	3510000	usd
CY2020Q4	us-gaap	Restricted Investments RestrictedInvestments	3039000	usd
CY2021Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	8538000	usd
CY2020Q4	us-gaap	Loans Receivable Held For Sale Net Not Part Of Disposal Group LoansReceivableHeldForSaleNetNotPartOfDisposalGroup	50387000	usd
CY2021Q4	frbk	Other Loans Receivable Held For Sale OtherLoansReceivableHeldForSale	5224000	usd
CY2020Q4	frbk	Other Loans Receivable Held For Sale OtherLoansReceivableHeldForSale	2983000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2488401000	usd
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2632367000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	127440000	usd
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	123170000	usd
CY2021Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	360000	usd
CY2020Q4	us-gaap	Real Estate Acquired Through Foreclosure RealEstateAcquiredThroughForeclosure	1188000	usd
CY2021Q4	us-gaap	Interest Receivable Current InterestReceivableCurrent	15073000	usd
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CY2021Q4	us-gaap	Liabilities Liabilities	5302414000	usd
CY2020Q4	us-gaap	Liabilities Liabilities	4757622000	usd
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue	20000	usd
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue	20000	usd
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	595000	usd
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	594000	usd
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	324618000	usd
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	322321000	usd
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	13591000	usd
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-8085000	usd
CY2021Q4	us-gaap	Treasury Stock Value TreasuryStockValue	3725000	usd
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	3725000	usd
CY2021Q4	us-gaap	Deferred Compensation Equity DeferredCompensationEquity	183000	usd
CY2020Q4	us-gaap	Deferred Compensation Equity DeferredCompensationEquity	183000	usd
CY2021Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-10674000	usd
CY2020Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-2829000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	324242000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	308113000	usd
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5626656000	usd
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	5065735000	usd
CY2021	frbk	Interest And Fee Income Loans Taxable InterestAndFeeIncomeLoansTaxable	113217000	usd
CY2020	frbk	Interest And Fee Income Loans Taxable InterestAndFeeIncomeLoansTaxable	91177000	usd
CY2019	frbk	Interest And Fee Income Loans Taxable InterestAndFeeIncomeLoansTaxable	72808000	usd
CY2021	frbk	Interest And Fee Income Loans Tax Exempt InterestAndFeeIncomeLoansTaxExempt	1677000	usd
CY2020	frbk	Interest And Fee Income Loans Tax Exempt InterestAndFeeIncomeLoansTaxExempt	2115000	usd
CY2019	frbk	Interest And Fee Income Loans Tax Exempt InterestAndFeeIncomeLoansTaxExempt	1689000	usd
CY2021	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	32131000	usd
CY2020	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	21059000	usd
CY2019	us-gaap	Interest Income Securities Taxable InterestIncomeSecuritiesTaxable	27459000	usd
CY2021	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	325000	usd
CY2020	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	85000	usd
CY2019	us-gaap	Interest Income Securities Tax Exempt InterestIncomeSecuritiesTaxExempt	337000	usd
CY2021	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	453000	usd
CY2020	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	514000	usd
CY2019	us-gaap	Interest Income Federal Funds Sold InterestIncomeFederalFundsSold	2571000	usd
CY2021	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	147803000	usd
CY2020	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	114950000	usd
CY2019	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	104864000	usd
CY2021	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	13107000	usd
CY2020	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	12645000	usd
CY2019	us-gaap	Interest Expense Demand Deposit Accounts InterestExpenseDemandDepositAccounts	15621000	usd
CY2021	frbk	Interest Expense On Money Market And Savings Deposits InterestExpenseOnMoneyMarketAndSavingsDeposits	3720000	usd
CY2020	frbk	Interest Expense On Money Market And Savings Deposits InterestExpenseOnMoneyMarketAndSavingsDeposits	6247000	usd
CY2019	frbk	Interest Expense On Money Market And Savings Deposits InterestExpenseOnMoneyMarketAndSavingsDeposits	6796000	usd
CY2021	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	1511000	usd
CY2020	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	3859000	usd
CY2019	us-gaap	Interest Expense Time Deposits InterestExpenseTimeDeposits	3850000	usd
CY2021	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	253000	usd
CY2020	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	367000	usd
CY2019	us-gaap	Interest Expense Borrowings InterestExpenseBorrowings	790000	usd
CY2021	us-gaap	Interest Expense InterestExpense	18591000	usd
CY2020	us-gaap	Interest Expense InterestExpense	23118000	usd
CY2019	us-gaap	Interest Expense InterestExpense	27057000	usd
CY2021	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	129212000	usd
CY2020	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	91832000	usd
CY2019	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	77807000	usd
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	5750000	usd
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	4200000	usd
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1905000	usd
CY2021	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	123462000	usd
CY2020	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	87632000	usd
CY2019	us-gaap	Interest Income Expense After Provision For Loan Loss InterestIncomeExpenseAfterProvisionForLoanLoss	75902000	usd
CY2021	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	3214000	usd
CY2020	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	1741000	usd
CY2019	us-gaap	Gain Loss On Sales Of Loans Net GainLossOnSalesOfLoansNet	3187000	usd
CY2021	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	2000	usd
CY2020	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	2760000	usd
CY2019	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	1103000	usd
CY2021	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	603000	usd
CY2020	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	168000	usd
CY2019	us-gaap	Noninterest Income Other Operating Income NoninterestIncomeOtherOperatingIncome	214000	usd
CY2021	us-gaap	Noninterest Income NoninterestIncome	32745000	usd
CY2020	us-gaap	Noninterest Income NoninterestIncome	36235000	usd
CY2019	us-gaap	Noninterest Income NoninterestIncome	23738000	usd
CY2021	us-gaap	Labor And Related Expense LaborAndRelatedExpense	59255000	usd
CY2020	us-gaap	Labor And Related Expense LaborAndRelatedExpense	56277000	usd
CY2019	us-gaap	Labor And Related Expense LaborAndRelatedExpense	53888000	usd
CY2021	us-gaap	Occupancy Net OccupancyNet	15105000	usd
CY2020	us-gaap	Occupancy Net OccupancyNet	14033000	usd
CY2019	us-gaap	Occupancy Net OccupancyNet	11565000	usd
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	8416000	usd
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	8177000	usd
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	6482000	usd
CY2021	us-gaap	Legal Fees LegalFees	1667000	usd
CY2020	us-gaap	Legal Fees LegalFees	1164000	usd
CY2019	us-gaap	Legal Fees LegalFees	1335000	usd
CY2021	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	844000	usd
CY2020	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	459000	usd
CY2019	us-gaap	Foreclosed Real Estate Expense ForeclosedRealEstateExpense	2109000	usd
CY2021	us-gaap	Loan Processing Fee LoanProcessingFee	2076000	usd
CY2020	us-gaap	Loan Processing Fee LoanProcessingFee	2368000	usd
CY2019	us-gaap	Loan Processing Fee LoanProcessingFee	1829000	usd
CY2021	us-gaap	Advertising Expense AdvertisingExpense	673000	usd
CY2020	us-gaap	Advertising Expense AdvertisingExpense	1240000	usd
CY2019	us-gaap	Advertising Expense AdvertisingExpense	1930000	usd
CY2021	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	7758000	usd
CY2020	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	6471000	usd
CY2019	us-gaap	Information Technology And Data Processing InformationTechnologyAndDataProcessing	5220000	usd
CY2021	us-gaap	General Insurance Expense GeneralInsuranceExpense	1165000	usd
CY2020	us-gaap	General Insurance Expense GeneralInsuranceExpense	1172000	usd
CY2019	us-gaap	General Insurance Expense GeneralInsuranceExpense	1070000	usd
CY2021	us-gaap	Professional Fees ProfessionalFees	3790000	usd
CY2020	us-gaap	Professional Fees ProfessionalFees	3058000	usd
CY2019	us-gaap	Professional Fees ProfessionalFees	2589000	usd
CY2021	frbk	Debit Card Processing Fee DebitCardProcessingFee	3326000	usd
CY2020	frbk	Debit Card Processing Fee DebitCardProcessingFee	3587000	usd
CY2019	frbk	Debit Card Processing Fee DebitCardProcessingFee	2467000	usd
CY2021	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	3478000	usd
CY2020	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	2549000	usd
CY2019	us-gaap	Federal Deposit Insurance Corporation Premium Expense FederalDepositInsuranceCorporationPremiumExpense	1228000	usd
CY2021	us-gaap	Taxes Other TaxesOther	2716000	usd
CY2020	us-gaap	Taxes Other TaxesOther	916000	usd
CY2019	us-gaap	Taxes Other TaxesOther	837000	usd
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	5011000	usd
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2021	us-gaap	Other Noninterest Expense OtherNoninterestExpense	12236000	usd
CY2020	us-gaap	Other Noninterest Expense OtherNoninterestExpense	10941000	usd
CY2019	us-gaap	Other Noninterest Expense OtherNoninterestExpense	11941000	usd
CY2021	us-gaap	Noninterest Expense NoninterestExpense	122505000	usd
CY2020	us-gaap	Noninterest Expense NoninterestExpense	117423000	usd
CY2019	us-gaap	Noninterest Expense NoninterestExpense	104490000	usd
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	33702000	usd
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	6444000	usd
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-4850000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8526000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1390000	usd
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1350000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	25176000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	5054000	usd
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-3500000	usd
CY2021	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	3500000	usd
CY2020	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	923000	usd
CY2019	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	0	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	21676000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4131000	usd
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-3500000	usd
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.37
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.07
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.06
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.33
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.07
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.06
CY2021	us-gaap	Net Income Loss NetIncomeLoss	25176000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	5054000	usd
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-3500000	usd
CY2021	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	-9646000	usd
CY2020	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	4320000	usd
CY2019	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	4284000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	1000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	2060000	usd
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Net Of Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax	823000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	-9647000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	2260000	usd
CY2019	us-gaap	Other Comprehensive Income Loss Available For Sale Securities Adjustment Net Of Tax OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax	3461000	usd
CY2021	frbk	Other Comprehensive Income Loss Amortization Of Net Unrealized Holding Losses Net Of Tax OtherComprehensiveIncomeLossAmortizationOfNetUnrealizedHoldingLossesNetOfTax	1802000	usd
CY2020	frbk	Other Comprehensive Income Loss Amortization Of Net Unrealized Holding Losses Net Of Tax OtherComprehensiveIncomeLossAmortizationOfNetUnrealizedHoldingLossesNetOfTax	2252000	usd
CY2019	frbk	Other Comprehensive Income Loss Amortization Of Net Unrealized Holding Losses Net Of Tax OtherComprehensiveIncomeLossAmortizationOfNetUnrealizedHoldingLossesNetOfTax	1125000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-7845000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4512000	usd
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4586000	usd
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	17331000	usd
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	9566000	usd
CY2019	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	1086000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	25176000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	5054000	usd
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-3500000	usd
CY2021	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	5011000	usd
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	usd
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	5750000	usd
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	4200000	usd
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1905000	usd
CY2021	frbk	Write Down Of Other Real Estate Owned WriteDownOfOtherRealEstateOwned	722000	usd
CY2020	frbk	Write Down Of Other Real Estate Owned WriteDownOfOtherRealEstateOwned	31000	usd
CY2019	frbk	Write Down Of Other Real Estate Owned WriteDownOfOtherRealEstateOwned	286000	usd
CY2021	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	8416000	usd
CY2020	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	8177000	usd
CY2019	us-gaap	Depreciation Amortization And Accretion Net DepreciationAmortizationAndAccretionNet	6482000	usd
CY2021	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-452000	usd
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	910000	usd
CY2019	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	1744000	usd
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	2093000	usd
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	1918000	usd
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	2632000	usd
CY2021	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	2000	usd
CY2020	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	2760000	usd
CY2019	us-gaap	Gain Loss On Sale Of Investments GainLossOnSaleOfInvestments	1103000	usd
CY2021	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-134000	usd
CY2020	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-0	usd
CY2019	us-gaap	Equity Securities Fv Ni Unrealized Gain Loss EquitySecuritiesFvNiUnrealizedGainLoss	-0	usd
CY2021	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-8494000	usd
CY2020	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-7480000	usd
CY2019	us-gaap	Accretion Amortization Of Discounts And Premiums Investments AccretionAmortizationOfDiscountsAndPremiumsInvestments	-3730000	usd
CY2021	frbk	Accretion Of Discounts On Retained Sba Loans AccretionOfDiscountsOnRetainedSBALoans	-937000	usd
CY2020	frbk	Accretion Of Discounts On Retained Sba Loans AccretionOfDiscountsOnRetainedSBALoans	-880000	usd
CY2019	frbk	Accretion Of Discounts On Retained Sba Loans AccretionOfDiscountsOnRetainedSBALoans	-1411000	usd
CY2021	frbk	Fair Value Adjustment On Sba Servicing Assets FairValueAdjustmentOnSBAServicingAssets	654000	usd
CY2020	frbk	Fair Value Adjustment On Sba Servicing Assets FairValueAdjustmentOnSBAServicingAssets	358000	usd
CY2019	frbk	Fair Value Adjustment On Sba Servicing Assets FairValueAdjustmentOnSBAServicingAssets	1364000	usd
CY2021	frbk	Proceeds From Sales Of Sba Loans Originated For Sale ProceedsFromSalesOfSbaLoansOriginatedForSale	29121000	usd
CY2020	frbk	Proceeds From Sales Of Sba Loans Originated For Sale ProceedsFromSalesOfSbaLoansOriginatedForSale	25470000	usd
CY2019	frbk	Proceeds From Sales Of Sba Loans Originated For Sale ProceedsFromSalesOfSbaLoansOriginatedForSale	46951000	usd
CY2021	frbk	Payments For Sba Loans Originated For Sale PaymentsForSBALoansOriginatedForSale	28148000	usd
CY2020	frbk	Payments For Sba Loans Originated For Sale PaymentsForSBALoansOriginatedForSale	23708000	usd
CY2019	frbk	Payments For Sba Loans Originated For Sale PaymentsForSBALoansOriginatedForSale	41364000	usd
CY2021	frbk	Gain Loss On Sales Of Sba Loans Originated For Sale GainLossOnSalesOfSbaLoansOriginatedForSale	3214000	usd
CY2020	frbk	Gain Loss On Sales Of Sba Loans Originated For Sale GainLossOnSalesOfSbaLoansOriginatedForSale	1741000	usd
CY2019	frbk	Gain Loss On Sales Of Sba Loans Originated For Sale GainLossOnSalesOfSbaLoansOriginatedForSale	3187000	usd
CY2021	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	409224000	usd
CY2020	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	479324000	usd
CY2019	us-gaap	Proceeds From Sale Of Mortgage Loans Held For Sale ProceedsFromSaleOfMortgageLoansHeldForSale	335991000	usd
CY2021	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	363762000	usd
CY2020	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	504488000	usd
CY2019	us-gaap	Payments For Origination Of Mortgage Loans Held For Sale PaymentsForOriginationOfMortgageLoansHeldForSale	317881000	usd
CY2021	frbk	Fair Value Adjustment For Mortgage Loans Originated For Sale FairValueAdjustmentForMortgageLoansOriginatedForSale	-1981000	usd
CY2020	frbk	Fair Value Adjustment For Mortgage Loans Originated For Sale FairValueAdjustmentForMortgageLoansOriginatedForSale	1915000	usd
CY2019	frbk	Fair Value Adjustment For Mortgage Loans Originated For Sale FairValueAdjustmentForMortgageLoansOriginatedForSale	-454000	usd
CY2021	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	11612000	usd
CY2020	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	12981000	usd
CY2019	us-gaap	Gain Loss On Sale Of Mortgage Loans GainLossOnSaleOfMortgageLoans	8117000	usd
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	7000	usd
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	6000	usd
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	6000	usd
CY2021	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	406000	usd
CY2020	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	532000	usd
CY2019	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	1128000	usd
CY2021	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-5586000	usd
CY2020	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-4935000	usd
CY2019	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-3727000	usd
CY2021	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	-275000	usd
CY2020	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	7845000	usd
CY2019	us-gaap	Increase Decrease In Accrued Interest Receivable Net IncreaseDecreaseInAccruedInterestReceivableNet	8464000	usd
CY2021	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	3886000	usd
CY2020	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	12053000	usd
CY2019	us-gaap	Increase Decrease In Other Accrued Liabilities IncreaseDecreaseInOtherAccruedLiabilities	5414000	usd
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	82626000	usd
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-10729000	usd
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	19333000	usd
CY2021	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	705751000	usd
CY2020	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	284015000	usd
CY2019	us-gaap	Payments To Acquire Available For Sale Securities Debt PaymentsToAcquireAvailableForSaleSecuritiesDebt	338500000	usd
CY2021	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	-0	usd
CY2020	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	9039000	usd
CY2019	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	-0	usd
CY2021	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	1117256000	usd
CY2020	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	402554000	usd
CY2019	us-gaap	Payments To Acquire Held To Maturity Securities PaymentsToAcquireHeldToMaturitySecurities	-0	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	125222000	usd
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	54742000	usd
CY2021	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	141894000	usd
CY2020	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	170874000	usd
CY2019	us-gaap	Proceeds From Maturities Prepayments And Calls Of Available For Sale Securities ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities	69012000	usd
CY2021	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	269761000	usd
CY2020	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	232238000	usd
CY2019	us-gaap	Proceeds From Sale And Maturity Of Held To Maturity Securities ProceedsFromSaleAndMaturityOfHeldToMaturitySecurities	116486000	usd
CY2021	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	471000	usd
CY2020	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	293000	usd
CY2019	us-gaap	Payments For Proceeds From Federal Home Loan Bank Stock PaymentsForProceedsFromFederalHomeLoanBankStock	-3008000	usd
CY2021	us-gaap	Increase Decrease In Notes Receivables IncreaseDecreaseInNotesReceivables	-144733000	usd
CY2020	us-gaap	Increase Decrease In Notes Receivables IncreaseDecreaseInNotesReceivables	896991000	usd
CY2019	us-gaap	Increase Decrease In Notes Receivables IncreaseDecreaseInNotesReceivables	312665000	usd
CY2021	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	466000	usd
CY2020	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	744000	usd
CY2019	us-gaap	Proceeds From Sale Of Wholly Owned Real Estate And Real Estate Acquired In Settlement Of Loans ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans	5072000	usd
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	12686000	usd
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	14391000	usd
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	35777000	usd
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1279310000	usd
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1078205000	usd
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-438622000	usd
CY2021	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	usd
CY2020	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	48325000	usd
CY2019	us-gaap	Proceeds From Issuance Of Preferred Stock And Preference Stock ProceedsFromIssuanceOfPreferredStockAndPreferenceStock	0	usd
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	205000	usd
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	41000	usd
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	261000	usd
CY2021	us-gaap	Increase Decrease In Demand Deposits IncreaseDecreaseInDemandDeposits	1165845000	usd
CY2020	us-gaap	Increase Decrease In Demand Deposits IncreaseDecreaseInDemandDeposits	1051806000	usd
CY2019	us-gaap	Increase Decrease In Demand Deposits IncreaseDecreaseInDemandDeposits	536974000	usd
CY2021	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	11584000	usd
CY2020	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	-37218000	usd
CY2019	us-gaap	Increase Decrease In Time Deposits IncreaseDecreaseInTimeDeposits	69322000	usd
CY2021	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	0	usd
CY2020	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	0	usd
CY2019	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-91422000	usd
CY2021	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	-633866000	usd
CY2020	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	633866000	usd
CY2019	us-gaap	Proceeds From Repayments Of Other Debt ProceedsFromRepaymentsOfOtherDebt	0	usd
CY2021	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	3500000	usd
CY2020	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	923000	usd
CY2019	us-gaap	Payments Of Dividends Preferred Stock And Preference Stock PaymentsOfDividendsPreferredStockAndPreferenceStock	-0	usd
CY2021	frbk	Proceeds From Short Swing Profit ProceedsFromShortSwingProfit	0	usd
CY2020	frbk	Proceeds From Short Swing Profit ProceedsFromShortSwingProfit	18000	usd
CY2019	frbk	Proceeds From Short Swing Profit ProceedsFromShortSwingProfit	0	usd
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	540268000	usd
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	1695915000	usd
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	515135000	usd
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-656416000	usd
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	606981000	usd
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	95846000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	775300000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	168319000	usd
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	72473000	usd
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	118884000	usd
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	775300000	usd
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	168319000	usd
CY2021	us-gaap	Interest Paid Net InterestPaidNet	18967000	usd
CY2020	us-gaap	Interest Paid Net InterestPaidNet	23822000	usd
CY2019	us-gaap	Interest Paid Net InterestPaidNet	25985000	usd
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	10540000	usd
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	0	usd
CY2019	us-gaap	Income Taxes Paid IncomeTaxesPaid	0	usd
CY2021	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	360000	usd
CY2020	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	233000	usd
CY2019	us-gaap	Transfer To Other Real Estate TransferToOtherRealEstate	1225000	usd
CY2021	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	5940000	usd
CY2020	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	0	usd
CY2019	us-gaap	Transfer Of Loans Held For Sale To Portfolio Loans1 TransferOfLoansHeldForSaleToPortfolioLoans1	0	usd
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	9915000	usd
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	11194000	usd
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	74382000	usd
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	245189000	usd
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-3500000	usd
CY2019	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4586000	usd
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2632000	usd
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	261000	usd
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	249168000	usd
CY2020	us-gaap	Net Income Loss NetIncomeLoss	5054000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	4512000	usd
CY2020	us-gaap	Dividends Preferred Stock DividendsPreferredStock	923000	usd
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	48325000	usd
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1918000	usd
CY2020	frbk	Adjustments To Additional Paid In Capital Return Of Short Swing Profit AdjustmentsToAdditionalPaidInCapitalReturnOfShortSwingProfit	18000	usd
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	41000	usd
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	308113000	usd
CY2021	us-gaap	Net Income Loss NetIncomeLoss	25176000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-7845000	usd
CY2021	us-gaap	Dividends Preferred Stock DividendsPreferredStock	3500000	usd
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	2093000	usd
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	205000	usd
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	324242000	usd
CY2021Q4	frbk	Number Of Wholly Owned Subsidiary NumberOfWhollyOwnedSubsidiary	1	pure
CY2021Q4	frbk	Number Of Unconsolidated Subsidiaries NumberOfUnconsolidatedSubsidiaries	2	pure
CY2021Q4	frbk	Number Of Trust Preferred Securities Issued NumberOfTrustPreferredSecuritiesIssued	2	pure
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	708711000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	10159000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	155915000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	4514000	usd
CY2021	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;margin:0pt;text-indent:18pt;"><b><i>Significant Group Concentrations of Credit Risk</i></b></p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;text-indent:18pt;">Most of the Company’s activities are with customers located within the Greater Philadelphia region. Note <em style="font: inherit;">3</em> - Investment Securities discusses the types of investment securities the Company invests in. Note <em style="font: inherit;">4</em> - Loans Receivable discusses the types of lending the Company engages in, as well as loan concentrations. The Company does <em style="font: inherit;">not</em> have a significant concentration of credit risk with any <em style="font: inherit;">one</em> customer.</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p>
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.06
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	476000	usd
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	0	usd
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	0	usd
CY2021Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	3400000	usd
CY2020Q4	us-gaap	Federal Home Loan Bank Stock FederalHomeLoanBankStock	2900000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	864626000	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	14673000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	1082607000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	17534000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Twelve Months Or Longer Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue	143750000	usd
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	5407000	usd
CY2020Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	4087000	usd
CY2020Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	528508000	usd
CY2020Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	814936000	usd
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	22512000	usd
CY2021	us-gaap	Derivatives Methods Of Accounting Nonhedging Derivatives DerivativesMethodsOfAccountingNonhedgingDerivatives	<p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;margin:0pt;text-indent:18pt;"><b><i>Best Efforts Forward Loan Sale Commitments</i></b></p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;text-indent:18pt;">Best efforts forward loan sale commitments are commitments to sell individual mortgage loans at a fixed price to an investor at a future date. Best efforts forward loan sale commitments are accounted for as derivatives and carried at fair value, determined as the amount that would be necessary to settle the derivative financial instrument at the balance sheet date. Gross derivative assets and liabilities are recorded as other assets and other liabilities with changes in fair value during the period recorded as mortgage banking income and included in non-interest income in the statements of operations.</p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p>
CY2021	us-gaap	Guarantees Indemnifications And Warranties Policies GuaranteesIndemnificationsAndWarrantiesPolicies	<p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;text-indent:18pt;"><b><i>Guarantees</i></b></p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;text-indent:18pt;">The Company accounts for guarantees in accordance with ASC <em style="font: inherit;">815</em><i> Guarantor</i>’<i>s Accounting and Disclosure Requirements for Guarantees, including Indirect Guarantees of Indebtedness of Others</i>. ASC <em style="font: inherit;">815</em> requires a guarantor entity, at the inception of a guarantee covered by the measurement provisions of the interpretation, to record a liability for the fair value of the obligation undertaken in issuing the guarantee. The Company has financial and performance letters of credit. Financial letters of credit require the Company to make payment if the customer’s financial condition deteriorates, as defined in the agreements. Performance letters of credit require the Company to make payments if the customer fails to perform certain non-financial contractual obligations. The maximum potential undiscounted amount of future payments of these letters of credit as of <em style="font: inherit;"> December 31, 2021 </em>was $18.0 million and they expire as follows: $16.4 million in <em style="font: inherit;">2022,</em> $1.4 million in <em style="font: inherit;">2023,</em> $127,000 in <em style="font: inherit;">2024,</em> and $56,000 in <em style="font: inherit;">2026.</em> Amounts due under these letters of credit would be reduced by any proceeds that the Company would be able to obtain in liquidating the collateral for the loans, which varies depending on the customer. There was <em style="font: inherit;">no</em> liability for guarantees under standby letters of credit as of <em style="font: inherit;"> December 31, 2021 </em>and <em style="font: inherit;"> December 31, 2020.</em></p> <p style="font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </p>
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	3849000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	1226357000	usd
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	pure
CY2019Q4	us-gaap	Goodwill Goodwill	5000000.0	usd
	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	5000000.0	usd
CY2020Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	476000	usd
CY2020Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	836972000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsAmortizedCost	32017000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Five Through Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	32099000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsNetCarryingAmount	0	usd
CY2021Q4	us-gaap	Held To Maturity Securities Debt Maturities After Five Through Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterFiveThroughTenYearsFairValue	0	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsAmortizedCost	96116000	usd
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue	117140000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After Ten Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterTenYearsFairValue	94071000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsNetCarryingAmount	0	usd
CY2021Q4	us-gaap	Held To Maturity Securities Debt Maturities After Ten Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterTenYearsFairValue	0	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1086972000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1075366000	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	21676000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4131000	usd
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-3500000	usd
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	58891000
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	58853000
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	58833000
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.37
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.07
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.06
CY2021	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	3500000	usd
CY2020	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	923000	usd
CY2019	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	0	usd
CY2021	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	25176000	usd
CY2020	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	4131000	usd
CY2019	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	-3500000	usd
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	75952000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	58904000
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	58833000
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.33
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.07
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	5492000
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	11404000
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	4979000
CY2021Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1660292000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1647360000	usd
CY2020	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses	0	usd
CY2021Q4	us-gaap	Debt Securities Available For Sale Restricted DebtSecuritiesAvailableForSaleRestricted	1200000000	usd
CY2021Q4	frbk	Maximum Percentage Of Capital Permitted To Invest In Trust Preferred Securities MaximumPercentageOfCapitalPermittedToInvestInTrustPreferredSecurities	0.25	pure
CY2021Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	1086972000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Gain Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax	3067000	usd
CY2021Q4	us-gaap	Available For Sale Debt Securities Accumulated Gross Unrealized Loss Before Tax AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax	14673000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Securities AvailableForSaleSecuritiesDebtSecurities	1075366000	usd
CY2021Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	1660292000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Gain HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain	8451000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	21383000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	1647360000	usd
CY2020Q4	us-gaap	Available For Sale Debt Securities Amortized Cost Basis AvailableForSaleDebtSecuritiesAmortizedCostBasis	527188000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearAmortizedCost	34335000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities Within One Year Fair Value AvailableForSaleSecuritiesDebtMaturitiesWithinOneYearFairValue	34157000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearNetCarryingAmount	4000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Debt Maturities Within One Year Fair Value HeldToMaturitySecuritiesDebtMaturitiesWithinOneYearFairValue	4000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Amortized Cost AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsAmortizedCost	102194000	usd
CY2021Q4	us-gaap	Available For Sale Securities Debt Maturities After One Through Five Years Fair Value AvailableForSaleSecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	102007000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Net Carrying Amount HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsNetCarryingAmount	66434000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Debt Maturities After One Through Five Years Fair Value HeldToMaturitySecuritiesDebtMaturitiesAfterOneThroughFiveYearsFairValue	67983000	usd
CY2021Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	21383000	usd
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months	124990000	usd
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position Less Than12 Months Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss	310000	usd
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger	86535000	usd
CY2020Q4	us-gaap	Debt Securities Available For Sale Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	3777000	usd
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position DebtSecuritiesAvailableForSaleUnrealizedLossPosition	211525000	usd
CY2020Q4	us-gaap	Debt Securities Available For Sale Unrealized Loss Position Accumulated Loss DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss	4087000	usd
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position12 Months Or Longer Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss	0	usd
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Fair Value HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue	117140000	usd
CY2020Q4	us-gaap	Held To Maturity Securities Continuous Unrealized Loss Position Accumulated Loss HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss	476000	usd
CY2021Q4	frbk	Securities Continuous Loss Position Accumulated Loss SecuritiesContinuousLossPositionAccumulatedLoss	36100000	usd
CY2021Q4	frbk	Securities Continuous Unrealized Loss Position Fair Value SecuritiesContinuousUnrealizedLossPositionFairValue	2100000000	usd
CY2020Q4	frbk	Securities Continuous Loss Position Accumulated Loss SecuritiesContinuousLossPositionAccumulatedLoss	4600000	usd
CY2020Q4	frbk	Securities Continuous Unrealized Loss Position Fair Value SecuritiesContinuousUnrealizedLossPositionFairValue	328700000	usd
CY2021	us-gaap	Other Than Temporary Impairment Credit Losses Recognized In Earnings Additions Additional Credit Losses OtherThanTemporaryImpairmentCreditLossesRecognizedInEarningsAdditionsAdditionalCreditLosses	0	usd
CY2021	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	0	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	2000	usd
CY2021	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	2000	usd
CY2021	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	1000	usd
CY2020	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	125200000	usd
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	3000000.0	usd
CY2020	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	230000	usd
CY2020	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	2800000	usd
CY2020	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	700000	usd
CY2019	us-gaap	Proceeds From Sale Of Available For Sale Securities Debt ProceedsFromSaleOfAvailableForSaleSecuritiesDebt	54700000	usd
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain DebtSecuritiesAvailableForSaleRealizedGain	1200000	usd
CY2019	us-gaap	Debt Securities Available For Sale Realized Loss DebtSecuritiesAvailableForSaleRealizedLoss	67000	usd
CY2019	us-gaap	Debt Securities Available For Sale Realized Gain Loss DebtSecuritiesAvailableForSaleRealizedGainLoss	1100000	usd
CY2019	us-gaap	Other Comprehensive Income Loss Reclassification Adjustment From Aoci For Sale Of Securities Tax OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax	280000	usd
CY2018Q4	frbk	Debt Securities Availableforsale Transfer Amount DebtSecuritiesAvailableforsaleTransferAmount	230100000	usd
CY2018	frbk	Other Comprehensive Income Loss Availableforsale Securities Transferred To Heldtomaturity Before Tax OtherComprehensiveIncomeLossAvailableforsaleSecuritiesTransferredToHeldtomaturityBeforeTax	-9400000	usd
CY2021Q4	frbk	Unrealized Loss Associated With Transferred Securities UnrealizedLossAssociatedWithTransferredSecurities	2700000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2514123000	usd
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2658142000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	6758000	usd
CY2020Q4	us-gaap	Loans And Leases Receivable Deferred Income LoansAndLeasesReceivableDeferredIncome	12800000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	18964000	usd
CY2020Q4	us-gaap	Loans And Leases Receivable Allowance LoansAndLeasesReceivableAllowance	12975000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2488401000	usd
CY2020Q4	us-gaap	Loans And Leases Receivable Net Reported Amount LoansAndLeasesReceivableNetReportedAmount	2632367000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	18900000	usd
CY2021	us-gaap	Loans And Leases Receivable Related Parties Period Increase Decrease LoansAndLeasesReceivableRelatedPartiesPeriodIncreaseDecrease	2200000	usd
CY2020Q4	us-gaap	Loans And Leases Receivable Related Parties LoansAndLeasesReceivableRelatedParties	16700000	usd
CY2021	us-gaap	Loans And Leases Receivable Related Parties Additions LoansAndLeasesReceivableRelatedPartiesAdditions	4200000	usd
CY2021	us-gaap	Loans And Leases Receivable Related Parties Proceeds LoansAndLeasesReceivableRelatedPartiesProceeds	2000000.0	usd
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	12975000	usd
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	489000	usd
CY2021	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	728000	usd
CY2021	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	5750000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	18964000	usd
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	9266000	usd
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	555000	usd
CY2020	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	64000	usd
CY2020	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	4200000	usd
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	12975000	usd
CY2018Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	8615000	usd
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Write Offs FinancingReceivableAllowanceForCreditLossesWriteOffs	1482000	usd
CY2019	us-gaap	Financing Receivable Allowance For Credit Losses Recovery FinancingReceivableAllowanceForCreditLossesRecovery	228000	usd
CY2019	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1905000	usd
CY2019Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	9266000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	2743000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	16221000	usd
CY2021Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	18964000	usd
CY2021Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	18420000	usd
CY2021Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	2495703000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2514123000	usd
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Individually Evaluated For Impairment1 FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1	591000	usd
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses Collectively Evaluated For Impairment FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment	12384000	usd
CY2020Q4	us-gaap	Financing Receivable Allowance For Credit Losses FinancingReceivableAllowanceForCreditLosses	12975000	usd
CY2020Q4	us-gaap	Financing Receivable Individually Evaluated For Impairment FinancingReceivableIndividuallyEvaluatedForImpairment	17969000	usd
CY2020Q4	us-gaap	Financing Receivable Collectively Evaluated For Impairment FinancingReceivableCollectivelyEvaluatedForImpairment	2640173000	usd
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2658142000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	4415000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	5042000	usd
CY2020Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceRecordedInvestment	12842000	usd
CY2020Q4	us-gaap	Impaired Financing Receivable With No Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithNoRelatedAllowanceUnpaidPrincipalBalance	13565000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	14005000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	14684000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	2743000	usd
CY2020Q4	us-gaap	Impaired Financing Receivable With Related Allowance Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceRecordedInvestment	5127000	usd
CY2020Q4	us-gaap	Impaired Financing Receivable With Related Allowance Unpaid Principal Balance ImpairedFinancingReceivableWithRelatedAllowanceUnpaidPrincipalBalance	5682000	usd
CY2020Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	591000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	18420000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	19726000	usd
CY2021Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	2743000	usd
CY2020Q4	us-gaap	Impaired Financing Receivable Recorded Investment ImpairedFinancingReceivableRecordedInvestment	17969000	usd
CY2020Q4	us-gaap	Impaired Financing Receivable Unpaid Principal Balance ImpairedFinancingReceivableUnpaidPrincipalBalance	19247000	usd
CY2020Q4	us-gaap	Impaired Financing Receivable Related Allowance ImpairedFinancingReceivableRelatedAllowance	591000	usd
CY2021	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	7882000	usd
CY2021	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	66000	usd
CY2020	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	13867000	usd
CY2020	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	435000	usd
CY2019	us-gaap	Impaired Financing Receivable With No Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithNoRelatedAllowanceAverageRecordedInvestment	11885000	usd
CY2019	us-gaap	Impaired Financing Receivable With No Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithNoRelatedAllowanceInterestIncomeAccrualMethod	354000	usd
CY2021	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	7250000	usd
CY2021	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	47000	usd
CY2020	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	5780000	usd
CY2020	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	43000	usd
CY2019	us-gaap	Impaired Financing Receivable With Related Allowance Average Recorded Investment ImpairedFinancingReceivableWithRelatedAllowanceAverageRecordedInvestment	6220000	usd
CY2019	us-gaap	Impaired Financing Receivable With Related Allowance Interest Income Accrual Method ImpairedFinancingReceivableWithRelatedAllowanceInterestIncomeAccrualMethod	32000	usd
CY2021	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	15132000	usd
CY2021	us-gaap	Loans And Leases Receivable Impaired Interest Income Recognized Change In Present Value Attributable To Passage Of Time LoansAndLeasesReceivableImpairedInterestIncomeRecognizedChangeInPresentValueAttributableToPassageOfTime	113000	usd
CY2020	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	19647000	usd
CY2020	us-gaap	Loans And Leases Receivable Impaired Interest Income Recognized Change In Present Value Attributable To Passage Of Time LoansAndLeasesReceivableImpairedInterestIncomeRecognizedChangeInPresentValueAttributableToPassageOfTime	478000	usd
CY2019	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	18105000	usd
CY2019	us-gaap	Loans And Leases Receivable Impaired Interest Income Recognized Change In Present Value Attributable To Passage Of Time LoansAndLeasesReceivableImpairedInterestIncomeRecognizedChangeInPresentValueAttributableToPassageOfTime	386000	usd
CY2021	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	15100000	usd
CY2020	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	19600000	usd
CY2019	us-gaap	Impaired Financing Receivable Average Recorded Investment ImpairedFinancingReceivableAverageRecordedInvestment	18100000	usd
CY2021	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	113000	usd
CY2020	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	478000	usd
CY2019	us-gaap	Impaired Financing Receivable Interest Income Accrual Method ImpairedFinancingReceivableInterestIncomeAccrualMethod	386000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2514123000	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	323000	usd
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2658142000	usd
CY2020Q4	us-gaap	Financing Receivable Recorded Investment90 Days Past Due And Still Accruing FinancingReceivableRecordedInvestment90DaysPastDueAndStillAccruing	612000	usd
CY2021Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2514123000	usd
CY2020Q4	us-gaap	Loans And Leases Receivable Gross Carrying Amount LoansAndLeasesReceivableGrossCarryingAmount	2658142000	usd
CY2021Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	12541000	usd
CY2020Q4	us-gaap	Financing Receivable Recorded Investment Nonaccrual Status FinancingReceivableRecordedInvestmentNonaccrualStatus	12246000	usd
CY2021	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	700000	usd
CY2020	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	718000	usd
CY2019	us-gaap	Loans And Leases Receivable Impaired Interest Lost On Nonaccrual Loans LoansAndLeasesReceivableImpairedInterestLostOnNonaccrualLoans	548000	usd
CY2021Q4	frbk	Financing Receivable Number Of Payment Deferrals FinancingReceivableNumberOfPaymentDeferrals	0	pure
CY2020Q4	frbk	Financing Receivable Number Of Payment Deferrals FinancingReceivableNumberOfPaymentDeferrals	21	pure
CY2020Q4	frbk	Financing Receivable Deferred Payments FinancingReceivableDeferredPayments	16000000	usd
CY2020Q4	frbk	Financing Receivable Customers With Deferred Loan Payments Percentage Of Total Loans FinancingReceivableCustomersWithDeferredLoanPaymentsPercentageOfTotalLoans	0.01	pure
CY2020Q4	frbk	Financing Receivable Deferred Payments Principal FinancingReceivableDeferredPaymentsPrincipal	4000000	usd
CY2021Q4	frbk	Financing Receivable Modifications Cumulative Number Of Contracts FinancingReceivableModificationsCumulativeNumberOfContracts	0	pure
CY2021Q4	frbk	Troubled Debt Restructured Financing Receivable Recorded Investment And Accruing TroubledDebtRestructuredFinancingReceivableRecordedInvestmentAndAccruing	0	usd
CY2021Q4	frbk	Troubled Debt Restructured Financing Receivable Recorded Investment And Not Accruing TroubledDebtRestructuredFinancingReceivableRecordedInvestmentAndNotAccruing	0	usd
CY2021Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	0	usd
CY2020Q4	frbk	Financing Receivable Modifications Cumulative Number Of Contracts FinancingReceivableModificationsCumulativeNumberOfContracts	1	pure
CY2020Q4	frbk	Troubled Debt Restructured Financing Receivable Recorded Investment And Accruing TroubledDebtRestructuredFinancingReceivableRecordedInvestmentAndAccruing	4530000	usd
CY2020Q4	frbk	Troubled Debt Restructured Financing Receivable Recorded Investment And Not Accruing TroubledDebtRestructuredFinancingReceivableRecordedInvestmentAndNotAccruing	0	usd
CY2020Q4	us-gaap	Financing Receivable Modifications Recorded Investment FinancingReceivableModificationsRecordedInvestment	4530000	usd
CY2020	us-gaap	Financing Receivable Modifications Number Of Contracts2 FinancingReceivableModificationsNumberOfContracts2	0	pure
CY2020	us-gaap	Financing Receivable Modifications Subsequent Default Number Of Contracts1 FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1	0	pure
CY2020	frbk	Number Of Mortgage Loans In Process Of Foreclosure NumberOfMortgageLoansInProcessOfForeclosure	1	pure
CY2020Q4	us-gaap	Other Real Estate OtherRealEstate	1188000	usd
CY2019Q4	us-gaap	Other Real Estate OtherRealEstate	1730000	usd
CY2018Q4	us-gaap	Other Real Estate OtherRealEstate	6223000	usd
CY2021	us-gaap	Other Real Estate Additions OtherRealEstateAdditions	360000	usd
CY2020	us-gaap	Other Real Estate Additions OtherRealEstateAdditions	233000	usd
CY2019	us-gaap	Other Real Estate Additions OtherRealEstateAdditions	1225000	usd
CY2021	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	722000	usd
CY2020	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	31000	usd
CY2019	us-gaap	Other Real Estate Valuation Adjustments OtherRealEstateValuationAdjustments	646000	usd
CY2021	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	466000	usd
CY2020	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	744000	usd
CY2019	us-gaap	Other Real Estate Disposals OtherRealEstateDisposals	5072000	usd
CY2021Q4	us-gaap	Other Real Estate OtherRealEstate	360000	usd
CY2020Q4	us-gaap	Other Real Estate OtherRealEstate	1188000	usd
CY2019Q4	us-gaap	Other Real Estate OtherRealEstate	1730000	usd
CY2020Q4	frbk	Brokered Deposits BrokeredDeposits	1000000.0	usd
CY2021Q4	us-gaap	Bank Overdrafts BankOverdrafts	501000	usd
CY2020Q4	us-gaap	Bank Overdrafts BankOverdrafts	227000	usd
CY2021Q4	frbk	Capital Required For Capital Adequacy To Risk Weighted Assets Including A Capital Buffer CapitalRequiredForCapitalAdequacyToRiskWeightedAssetsIncludingACapitalBuffer	0.1050	pure
CY2021Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	341211000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	176552000	usd
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	164391000	usd
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	49112000	usd
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	41221000	usd
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	127440000	usd
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	123170000	usd
CY2021	us-gaap	Depreciation Depreciation	8400000	usd
CY2020	us-gaap	Depreciation Depreciation	8200000	usd
CY2019	us-gaap	Depreciation Depreciation	6500000	usd
CY2021Q4	frbk	Construction In Progress Land Purchased ConstructionInProgressLandPurchased	10100000	usd
CY2021Q4	frbk	Number Of Specific Store Locations NumberOfSpecificStoreLocations	4	pure
CY2021Q4	frbk	Cost Of Completion CostOfCompletion	7600000	usd
CY2021Q4	frbk	Maximum Percentage Of Capital Permitted To Invest In Trust Preferred Securities MaximumPercentageOfCapitalPermittedToInvestInTrustPreferredSecurities	0.25	pure
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	7000	usd
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	6000	usd
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	6000	usd
CY2021Q4	us-gaap	Time Deposit Maturities Year One TimeDepositMaturitiesYearOne	166031000	usd
CY2021Q4	us-gaap	Time Deposit Maturities Year Two TimeDepositMaturitiesYearTwo	24591000	usd
CY2021Q4	us-gaap	Time Deposit Maturities Year Three TimeDepositMaturitiesYearThree	2682000	usd
CY2021Q4	us-gaap	Time Deposit Maturities Year Four TimeDepositMaturitiesYearFour	2637000	usd
CY2021Q4	us-gaap	Time Deposit Maturities Year Five TimeDepositMaturitiesYearFive	2004000	usd
CY2021Q4	us-gaap	Time Deposit Maturities After Year Five TimeDepositMaturitiesAfterYearFive	0	usd
CY2021Q4	us-gaap	Time Deposits TimeDeposits	197945000	usd
CY2021Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	82900000	usd
CY2020Q4	us-gaap	Time Deposits At Or Above Fdic Insurance Limit TimeDepositsAtOrAboveFDICInsuranceLimit	88400000	usd
CY2021Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	103900000	usd
CY2020Q4	us-gaap	Related Party Deposit Liabilities RelatedPartyDepositLiabilities	102800000	usd
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	5968000	usd
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	810000	usd
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	394000	usd
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2106000	usd
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1490000	usd
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	0	usd
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	483000	usd
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	417000	usd
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1524000	usd
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-31000	usd
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1327000	usd
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-220000	usd
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	8526000	usd
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	1390000	usd
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1350000	usd
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210	pure
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	7077000	usd
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1353000	usd
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-1018000	usd
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	1639000	usd
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	360000	usd
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-260000	usd
CY2021	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	419000	usd
CY2020	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	461000	usd
CY2019	us-gaap	Income Tax Reconciliation Tax Exempt Income IncomeTaxReconciliationTaxExemptIncome	425000	usd
CY2021	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	229000	usd
CY2020	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	138000	usd
CY2019	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	353000	usd
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	8526000	usd
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1390000	usd
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1350000	usd
CY2021Q4	us-gaap	Capital Capital	360175000	usd
CY2021Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1183	pure
CY2021Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	243591000	usd
CY2021Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0800	pure
CY2021Q4	frbk	Capital Required For Capital Adequacy Including A Capital Buffer CapitalRequiredForCapitalAdequacyIncludingACapitalBuffer	319713000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	4811000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	3291000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	674000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Pensions DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsPensions	641000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	3628000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	960000	usd
CY2021Q4	frbk	Deferred Tax Assets Deferred Fees On Ppp Loans DeferredTaxAssetsDeferredFeesOnPPPLoans	1110000	usd
CY2020Q4	frbk	Deferred Tax Assets Deferred Fees On Ppp Loans DeferredTaxAssetsDeferredFeesOnPPPLoans	3737000	usd
CY2021Q4	frbk	Deferred Tax Assets Tax Deferred Expense Foreclosed Real Estate Write Down DeferredTaxAssetsTaxDeferredExpenseForeclosedRealEstateWriteDown	1147000	usd
CY2020Q4	frbk	Deferred Tax Assets Tax Deferred Expense Foreclosed Real Estate Write Down DeferredTaxAssetsTaxDeferredExpenseForeclosedRealEstateWriteDown	985000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	810000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	706000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	2263000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	1780000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	805000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	890000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1396000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	1033000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	16644000	usd
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	14023000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	1303000	usd
CY2020Q4	us-gaap	Deferred Tax Liabilities Financing Arrangements DeferredTaxLiabilitiesFinancingArrangements	1818000	usd
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1111000	usd
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	191000	usd
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	2414000	usd
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	2009000	usd
CY2021Q4	frbk	Net Deferred Tax Asset Before Valuation Allowance NetDeferredTaxAssetBeforeValuationAllowance	14230000	usd
CY2020Q4	frbk	Net Deferred Tax Asset Before Valuation Allowance NetDeferredTaxAssetBeforeValuationAllowance	12014000	usd
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.25	pure
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.22	pure
CY2021Q4	frbk	Deferred Tax Assets Deferred Fees On Ppp Loans DeferredTaxAssetsDeferredFeesOnPPPLoans	1100000	usd
CY2021	us-gaap	Income Tax Expense Benefit Continuing Operations Adjustment Of Deferred Tax Asset Liability IncomeTaxExpenseBenefitContinuingOperationsAdjustmentOfDeferredTaxAssetLiability	13100000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Provision For Loan Losses DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses	4800000	usd
CY2021Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	3600000	usd
CY2021	frbk	Number Of Additional Stores Added NumberOfAdditionalStoresAdded	14	pure
CY2020	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Expense UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense	0	usd
CY2021Q4	us-gaap	Amount Available For Dividend Distribution Without Affecting Capital Adequacy Requirements AmountAvailableForDividendDistributionWithoutAffectingCapitalAdequacyRequirements	83500000	usd
CY2021Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1121	pure
CY2021Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	182693000	usd
CY2021Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0600	pure
CY2021Q4	frbk	Tier One Risk Based Capital Required For Capital Adequacy Including A Capital Buffer TierOneRiskBasedCapitalRequiredForCapitalAdequacyIncludingACapitalBuffer	258816000	usd
CY2021Q4	frbk	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Including A Capital Buffer TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsIncludingACapitalBuffer	0.0850	pure
CY2021Q4	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	281886000	usd
CY2021Q4	us-gaap	Common Equity Tier One Capital Ratio CommonEquityTierOneCapitalRatio	0.0926	pure
CY2021Q4	us-gaap	Common Equity Tier One Capital Required For Capital Adequacy CommonEquityTierOneCapitalRequiredForCapitalAdequacy	137020000	usd
CY2021Q4	frbk	Common Equity Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0450	pure
CY2021Q4	frbk	Common Equity Tier One Riskbased Capital Required For Capital Adequacy Including A Capital Buffer CommonEquityTierOneRiskbasedCapitalRequiredForCapitalAdequacyIncludingACapitalBuffer	213142000	usd
CY2021Q4	frbk	Common Equity Tier One Riskbased Capital Required For Capital Adequacy To Risk Weighted Assets Including A Capital Buffer CommonEquityTierOneRiskbasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsIncludingACapitalBuffer	0.0700	pure
CY2021Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	324242000	usd
CY2021Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.0608	pure
CY2021Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	224656000	usd
CY2021Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.0400	pure
CY2021Q4	frbk	Tier One Leverage Capital Required For Capital Adequacy Including A Capital Buffer TierOneLeverageCapitalRequiredForCapitalAdequacyIncludingACapitalBuffer	224656000	usd
CY2021Q4	frbk	Tier One Leverage Capital Required For Capital Adequacy To Average Assets Including A Capital Buffer TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssetsIncludingACapitalBuffer	0.0400	pure
CY2020Q4	us-gaap	Capital Capital	326554000	usd
CY2020Q4	us-gaap	Capital To Risk Weighted Assets CapitalToRiskWeightedAssets	0.1350	pure
CY2020Q4	us-gaap	Capital Required For Capital Adequacy CapitalRequiredForCapitalAdequacy	193498000	usd
CY2020Q4	us-gaap	Capital Required For Capital Adequacy To Risk Weighted Assets CapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0800	pure
CY2020Q4	frbk	Capital Required For Capital Adequacy Including A Capital Buffer CapitalRequiredForCapitalAdequacyIncludingACapitalBuffer	253967000	usd
CY2020Q4	frbk	Capital Required For Capital Adequacy To Risk Weighted Assets Including A Capital Buffer CapitalRequiredForCapitalAdequacyToRiskWeightedAssetsIncludingACapitalBuffer	0.1050	pure
CY2020Q4	us-gaap	Tier One Risk Based Capital TierOneRiskBasedCapital	313579000	usd
CY2020Q4	us-gaap	Tier One Risk Based Capital To Risk Weighted Assets TierOneRiskBasedCapitalToRiskWeightedAssets	0.1296	pure
CY2020Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy TierOneRiskBasedCapitalRequiredForCapitalAdequacy	145124000	usd
CY2020Q4	us-gaap	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0600	pure
CY2020Q4	frbk	Tier One Risk Based Capital Required For Capital Adequacy Including A Capital Buffer TierOneRiskBasedCapitalRequiredForCapitalAdequacyIncludingACapitalBuffer	205592000	usd
CY2020Q4	frbk	Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets Including A Capital Buffer TierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsIncludingACapitalBuffer	0.0850	pure
CY2020Q4	us-gaap	Common Equity Tier One Capital CommonEquityTierOneCapital	254254000	usd
CY2020Q4	us-gaap	Common Equity Tier One Capital Ratio CommonEquityTierOneCapitalRatio	0.1051	pure
CY2020Q4	us-gaap	Common Equity Tier One Capital Required For Capital Adequacy CommonEquityTierOneCapitalRequiredForCapitalAdequacy	108843000	usd
CY2020Q4	frbk	Common Equity Tier One Risk Based Capital Required For Capital Adequacy To Risk Weighted Assets CommonEquityTierOneRiskBasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssets	0.0450	pure
CY2020Q4	frbk	Common Equity Tier One Riskbased Capital Required For Capital Adequacy Including A Capital Buffer CommonEquityTierOneRiskbasedCapitalRequiredForCapitalAdequacyIncludingACapitalBuffer	169311000	usd
CY2020Q4	frbk	Common Equity Tier One Riskbased Capital Required For Capital Adequacy To Risk Weighted Assets Including A Capital Buffer CommonEquityTierOneRiskbasedCapitalRequiredForCapitalAdequacyToRiskWeightedAssetsIncludingACapitalBuffer	0.0700	pure
CY2020Q4	us-gaap	Tier One Leverage Capital TierOneLeverageCapital	308113000	usd
CY2020Q4	us-gaap	Tier One Leverage Capital To Average Assets TierOneLeverageCapitalToAverageAssets	0.0817	pure
CY2020Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy TierOneLeverageCapitalRequiredForCapitalAdequacy	153621000	usd
CY2020Q4	us-gaap	Tier One Leverage Capital Required For Capital Adequacy To Average Assets TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssets	0.0400	pure
CY2020Q4	frbk	Tier One Leverage Capital Required For Capital Adequacy Including A Capital Buffer TierOneLeverageCapitalRequiredForCapitalAdequacyIncludingACapitalBuffer	153621000	usd
CY2020Q4	frbk	Tier One Leverage Capital Required For Capital Adequacy To Average Assets Including A Capital Buffer TierOneLeverageCapitalRequiredForCapitalAdequacyToAverageAssetsIncludingACapitalBuffer	0.0400	pure
CY2021Q4	frbk	Capital Conservation Buffer CapitalConservationBuffer	0.025	pure
CY2021	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent Of Match DefinedContributionPlanEmployerMatchingContributionPercentOfMatch	0.04	pure
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1400000	usd
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1500000	usd
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1200000	usd
CY2021Q4	frbk	Retirement Age To Be Attained To Receive Postretirement Benefits RetirementAgeToBeAttainedToReceivePostretirementBenefits	65	pure
CY2021Q4	us-gaap	Defined Benefit Pension Plan Current And Noncurrent Liabilities DefinedBenefitPensionPlanCurrentAndNoncurrentLiabilities	1100000	usd
CY2021	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	25000	usd
CY2020	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	6000	usd
CY2019	us-gaap	Pension And Other Postretirement Benefit Expense PensionAndOtherPostretirementBenefitExpense	16000	usd
CY2021	frbk	Deferred Compensation Plan Shares Acquired DeferredCompensationPlanSharesAcquired	0
CY2021Q4	frbk	Deferred Compensation Plan Amount Vested DeferredCompensationPlanAmountVested	1600000	usd
CY2020Q4	frbk	Deferred Compensation Plan Amount Vested DeferredCompensationPlanAmountVested	1400000	usd
CY2021	frbk	Deferred Compensation Arrangement With Individual Expense Reduction DeferredCompensationArrangementWithIndividualExpenseReduction	13000	usd
CY2020	frbk	Deferred Compensation Arrangement With Individual Expense Reduction DeferredCompensationArrangementWithIndividualExpenseReduction	10000	usd
CY2019	frbk	Deferred Compensation Arrangement With Individual Expense DeferredCompensationArrangementWithIndividualExpense	2000	usd
CY2021Q4	frbk	Deferred Compensation Plan Shares Held DeferredCompensationPlanSharesHeld	25437
CY2020Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4626000	usd
CY2019Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4447000	usd
CY2018Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4785000	usd
CY2021	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	733000	usd
CY2020	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	537000	usd
CY2019	us-gaap	Servicing Asset At Fair Value Additions ServicingAssetAtFairValueAdditions	1026000	usd
CY2021	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-654000	usd
CY2020	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-358000	usd
CY2019	us-gaap	Servicing Asset At Fair Value Changes In Fair Value Resulting From Changes In Valuation Inputs Or Changes In Assumptions ServicingAssetAtFairValueChangesInFairValueResultingFromChangesInValuationInputsOrChangesInAssumptions	-1364000	usd
CY2021Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4705000	usd
CY2020Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4626000	usd
CY2019Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4447000	usd
CY2021Q4	us-gaap	Servicing Asset ServicingAsset	218900000	usd
CY2020Q4	us-gaap	Servicing Asset ServicingAsset	208700000	usd
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	641384
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	918790
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	842898
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5300000
CY2021	us-gaap	Interest And Fee Income Loans Held For Sale Mortgages InterestAndFeeIncomeLoansHeldForSaleMortgages	735000	usd
CY2020	us-gaap	Interest And Fee Income Loans Held For Sale Mortgages InterestAndFeeIncomeLoansHeldForSaleMortgages	846000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	1270450
CY2021Q4	frbk	Mortgage Loans Held For Sale Unpaid Principal Balance MortgageLoansHeldForSaleUnpaidPrincipalBalance	8241000	usd
CY2021Q4	frbk	Mortgage Loans Held For Sale Unpaid Principal Balance Excess Carrying Amount MortgageLoansHeldForSaleUnpaidPrincipalBalanceExcessCarryingAmount	297000	usd
CY2020Q4	frbk	Mortgage Loans Held For Sale Unpaid Principal Balance MortgageLoansHeldForSaleUnpaidPrincipalBalance	48109000	usd
CY2020Q4	frbk	Mortgage Loans Held For Sale Unpaid Principal Balance Excess Carrying Amount MortgageLoansHeldForSaleUnpaidPrincipalBalanceExcessCarryingAmount	2278000	usd
CY2021Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4705000	usd
CY2020Q4	us-gaap	Servicing Asset At Fair Value Amount ServicingAssetAtFairValueAmount	4626000	usd
CY2021	frbk	Compositions Of Sba Loans Service For Other Loans CompositionsOfSBALoansServiceForOtherLoans	1	pure
CY2020	frbk	Compositions Of Sba Loans Service For Other Loans CompositionsOfSBALoansServiceForOtherLoans	1	pure
CY2021	us-gaap	Assumption For Fair Value Of Assets Or Liabilities That Relate To Transferors Continuing Involvement Weighted Average Life1 AssumptionForFairValueOfAssetsOrLiabilitiesThatRelateToTransferorsContinuingInvolvementWeightedAverageLife1	P19Y7M6D
CY2020	us-gaap	Assumption For Fair Value Of Assets Or Liabilities That Relate To Transferors Continuing Involvement Weighted Average Life1 AssumptionForFairValueOfAssetsOrLiabilitiesThatRelateToTransferorsContinuingInvolvementWeightedAverageLife1	P20Y
CY2021	us-gaap	Assumption For Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Prepayment Speed AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed	0.1393	pure
CY2020	us-gaap	Assumption For Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Prepayment Speed AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesPrepaymentSpeed	0.1322	pure
CY2021Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed	-204000	usd
CY2020Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInPrepaymentSpeed	-170000	usd
CY2021Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed	-393000	usd
CY2020Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Prepayment Speed SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInPrepaymentSpeed	-329000	usd
CY2021	us-gaap	Assumption For Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Discount Rate AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate	0.1000	pure
CY2020	us-gaap	Assumption For Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Discount Rate AssumptionForFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesDiscountRate	0.1000	pure
CY2021Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInDiscountRate	-148000	usd
CY2020Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of10 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf10PercentAdverseChangeInDiscountRate	-152000	usd
CY2021Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInDiscountRate	-288000	usd
CY2020Q4	us-gaap	Sensitivity Analysis Of Fair Value Of Interests Continued To Be Held By Transferor Servicing Assets Or Liabilities Impact Of20 Percent Adverse Change In Discount Rate SensitivityAnalysisOfFairValueOfInterestsContinuedToBeHeldByTransferorServicingAssetsOrLiabilitiesImpactOf20PercentAdverseChangeInDiscountRate	-295000	usd
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1400000	usd
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	3700000
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	634000	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	483275
CY2021	frbk	Share Based Compensation Arrangement By Share Based Payment Award Options Vested Weighted Average Grant Date Fair Value Amount ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValueAmount	1000000.0	usd
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	2.98
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	1356500
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	6.35
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	83375
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	1643740
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	2514800
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	2367515
CY2021	frbk	Unvested Stock Options Fair Value UnvestedStockOptionsFairValue	2859062	usd
CY2020	frbk	Unvested Stock Options Fair Value UnvestedStockOptionsFairValue	4702676	usd
CY2019	frbk	Unvested Stock Options Fair Value UnvestedStockOptionsFairValue	6108271	usd
CY2021Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	1155748	usd
CY2020Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	2788559	usd
CY2019Q4	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Stock Options EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions	3574740	usd
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	83375
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	17000
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	53550
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	205166	usd
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	41305	usd
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	261143	usd
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	81614	usd
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	10410	usd
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	72187	usd
CY2021Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2292000	usd
CY2021Q4	us-gaap	Net Income Loss NetIncomeLoss	6078000	usd
CY2021Q3	us-gaap	Net Income Loss NetIncomeLoss	6096000	usd
CY2021Q2	us-gaap	Net Income Loss NetIncomeLoss	5934000	usd
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	7068000	usd
CY2021Q4	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	875000	usd
CY2021Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	875000	usd
CY2021Q2	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	875000	usd
CY2021Q1	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	875000	usd
CY2021Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	5203000	usd
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5899425
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	5.44
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4979475
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.05
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	3861650
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	5.96
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	2.46
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	17000
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	2.43
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	53550
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	4.88
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	483275
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	5.32
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	333500
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	5.34
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	185125
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	6.76
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5332775
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	5.50
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	5899425
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	5.44
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	4979475
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	6.05
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	3689035
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	5.91
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	3384625
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	5.67
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	2611960
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	5.28
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0.91
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	2.15
CY2021Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	5221000	usd
CY2021Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	5059000	usd
CY2021Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	6193000	usd
CY2021Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.09
CY2021Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.09
CY2021Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.09
CY2021Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.11
CY2021Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.08
CY2021Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.08
CY2021Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	5332775
CY2021Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	5.50
CY2021Q4	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	3689035
CY2021Q4	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	5.90
CY2021Q1	us-gaap	Interest Expense InterestExpense	4988000	usd
CY2021Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	35699000	usd
CY2021Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	31442000	usd
CY2021Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	30639000	usd
CY2021Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	31432000	usd
CY2021Q4	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1850000	usd
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	pure
CY2021Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.08
CY2021Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.09
CY2020Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	31248000	usd
CY2020Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	28560000	usd
CY2020Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	27859000	usd
CY2020Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	27283000	usd
CY2020Q4	us-gaap	Interest Expense InterestExpense	5527000	usd
CY2020Q3	us-gaap	Interest Expense InterestExpense	5630000	usd
CY2020Q2	us-gaap	Interest Expense InterestExpense	5432000	usd
CY2020Q1	us-gaap	Interest Expense InterestExpense	6529000	usd
CY2021	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	993000	usd
CY2020	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	690000	usd
CY2019	us-gaap	Related Party Transaction Amounts Of Transaction RelatedPartyTransactionAmountsOfTransaction	1400000	usd
CY2021Q4	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	40251000	usd
CY2021Q3	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	35778000	usd
CY2021Q2	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	35354000	usd
CY2021Q1	us-gaap	Interest And Dividend Income Operating InterestAndDividendIncomeOperating	36420000	usd
CY2021Q4	us-gaap	Interest Expense InterestExpense	4552000	usd
CY2021Q3	us-gaap	Interest Expense InterestExpense	4336000	usd
CY2021Q2	us-gaap	Interest Expense InterestExpense	4715000	usd
CY2021Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	900000	usd
CY2021Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	0	usd
CY2021Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	3000000	usd
CY2021Q4	us-gaap	Noninterest Income NoninterestIncome	7473000	usd
CY2021Q3	us-gaap	Noninterest Income NoninterestIncome	7317000	usd
CY2021Q2	us-gaap	Noninterest Income NoninterestIncome	7680000	usd
CY2021Q1	us-gaap	Noninterest Income NoninterestIncome	10275000	usd
CY2021Q4	us-gaap	Noninterest Expense NoninterestExpense	32865000	usd
CY2021Q3	us-gaap	Noninterest Expense NoninterestExpense	29775000	usd
CY2021Q2	us-gaap	Noninterest Expense NoninterestExpense	30519000	usd
CY2021Q1	us-gaap	Noninterest Expense NoninterestExpense	29347000	usd
CY2021Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2379000	usd
CY2021Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1988000	usd
CY2021Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1866000	usd
CY2020Q4	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	25721000	usd
CY2020Q3	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	22930000	usd
CY2020Q2	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	22427000	usd
CY2020Q1	us-gaap	Interest Income Expense Net InterestIncomeExpenseNet	20754000	usd
CY2020Q4	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1400000	usd
CY2020Q3	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	850000	usd
CY2020Q2	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	1000000	usd
CY2020Q1	us-gaap	Provision For Loan And Lease Losses ProvisionForLoanAndLeaseLosses	950000	usd
CY2020Q4	us-gaap	Noninterest Income NoninterestIncome	11235000	usd
CY2020Q3	us-gaap	Noninterest Income NoninterestIncome	10031000	usd
CY2020Q2	us-gaap	Noninterest Income NoninterestIncome	8424000	usd
CY2020Q1	us-gaap	Noninterest Income NoninterestIncome	6545000	usd
CY2020Q4	us-gaap	Noninterest Expense NoninterestExpense	29907000	usd
CY2020Q3	us-gaap	Noninterest Expense NoninterestExpense	33580000	usd
CY2020Q2	us-gaap	Noninterest Expense NoninterestExpense	26664000	usd
CY2020Q1	us-gaap	Noninterest Expense NoninterestExpense	27272000	usd
CY2020Q4	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	1548000	usd
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-503000	usd
CY2020Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	675000	usd
CY2020Q1	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-330000	usd
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	4101000	usd
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	-967000	usd
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	2512000	usd
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	-593000	usd
CY2020Q4	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	923000	usd
CY2020Q3	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	0	usd
CY2020Q2	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	0	usd
CY2020Q1	us-gaap	Preferred Stock Dividends Income Statement Impact PreferredStockDividendsIncomeStatementImpact	0	usd
CY2020Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	3178000	usd
CY2020Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-967000	usd
CY2020Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2512000	usd
CY2020Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	-593000	usd
CY2020Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.05
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.02
CY2020Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.04
CY2020Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.01
CY2020Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.05
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.02
CY2020Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.04
CY2020Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.01
CY2019Q4	us-gaap	Goodwill Goodwill	5011000	usd
CY2020	us-gaap	Goodwill Acquired During Period GoodwillAcquiredDuringPeriod	0	usd
CY2020	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	5011000	usd
CY2020Q4	us-gaap	Goodwill Goodwill	0	usd
CY2021	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	14556000	usd
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	11226000	usd
CY2019	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	7755000	usd
CY2021	frbk	Noninterest Income Out Of Scope Of Topic606 NoninterestIncomeOutOfScopeOfTopic606	18189000	usd
CY2020	frbk	Noninterest Income Out Of Scope Of Topic606 NoninterestIncomeOutOfScopeOfTopic606	25009000	usd
CY2019	frbk	Noninterest Income Out Of Scope Of Topic606 NoninterestIncomeOutOfScopeOfTopic606	15983000	usd
CY2021	us-gaap	Noninterest Income NoninterestIncome	32745000	usd
CY2020	us-gaap	Noninterest Income NoninterestIncome	36235000	usd
CY2019	us-gaap	Noninterest Income NoninterestIncome	23738000	usd
CY2021Q4	frbk	Lessee Operating Lease Number Of Leases LesseeOperatingLeaseNumberOfLeases	44	pure
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P19Y18D
CY2020Q4	frbk	Lessee Operating Lease Number Of Leases LesseeOperatingLeaseNumberOfLeases	42	pure
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P21Y14D
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0335	pure
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0333	pure
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	8650000	usd
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	7915000	usd
CY2021	us-gaap	Sublease Income SubleaseIncome	-0	usd
CY2020	us-gaap	Sublease Income SubleaseIncome	-0	usd
CY2021	us-gaap	Lease Cost LeaseCost	8650000	usd
CY2020	us-gaap	Lease Cost LeaseCost	7915000	usd
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	8134000	usd
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	8260000	usd
CY2021Q4	frbk	Lessee Operating Lease Liability Payments Due One To Three Years LesseeOperatingLeaseLiabilityPaymentsDueOneToThreeYears	15062000	usd
CY2020Q4	frbk	Lessee Operating Lease Liability Payments Due One To Three Years LesseeOperatingLeaseLiabilityPaymentsDueOneToThreeYears	15719000	usd
CY2021Q4	frbk	Lessee Operating Lease Liability Payments Due In Three To Five Years LesseeOperatingLeaseLiabilityPaymentsDueInThreeToFiveYears	13820000	usd
CY2020Q4	frbk	Lessee Operating Lease Liability Payments Due In Three To Five Years LesseeOperatingLeaseLiabilityPaymentsDueInThreeToFiveYears	14938000	usd
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	78867000	usd
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	85176000	usd
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	115883000	usd
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	124093000	usd
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	34113000	usd
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	46517000	usd
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	81770000	usd
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	77576000	usd
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	8244000	usd
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	7383000	usd
CY2021	frbk	Operating Lease Liability Operating Cash Flows OperatingLeaseLiabilityOperatingCashFlows	8808000	usd
CY2020	frbk	Operating Lease Liability Operating Cash Flows OperatingLeaseLiabilityOperatingCashFlows	10973000	usd

Files In Submission

Name	View Source	Status
0001437749-22-024725-index-headers.html	Edgar Link	pending
0001437749-22-024725-index.html	Edgar Link	pending
0001437749-22-024725.txt	Edgar Link	pending
0001437749-22-024725-xbrl.zip	Edgar Link	pending
frbk-20211231_pre.xml	Edgar Link	unprocessable
frbk-20211231_lab.xml	Edgar Link	unprocessable
frbk-20211231_def.xml	Edgar Link	unprocessable
ex_343692.htm	Edgar Link	pending
ex_343695.htm	Edgar Link	pending
ex_343696.htm	Edgar Link	pending
ex_343697.htm	Edgar Link	pending
ex_343698.htm	Edgar Link	pending
ex_343699.htm	Edgar Link	pending
ex_435114.htm	Edgar Link	pending
Financial_Report.xlsx	Edgar Link	pending
frbk-20211231.xsd	Edgar Link	pending
frbk20211231_10k.htm	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R100.htm	Edgar Link	pending
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R121.htm	Edgar Link	pending
R122.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
frbk-20211231_cal.xml	Edgar Link	unprocessable
frbk20211231_10k_htm.xml	Edgar Link	completed
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
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R99.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable

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$FRBKQ
Stock $frbkq

2022 Q4 Form 10-K Financial Statement

#000143774922024725 Filed on October 26, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FRBKQ Stock $frbkq

2022 Q4 Form 10-K Financial Statement

#000143774922024725 Filed on October 26, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$FRBKQ
Stock $frbkq