Name:	rbcaa_BasisOfPresentationLineItems
Namespace Prefix:	rbcaa_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Represents information pertaining to the ownership interest retained from consumer loans held for sale.

No definition available.

Name:	rbcaa_ConsumerLoansHeldForSaleInterestRetained
Namespace Prefix:	rbcaa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents information pertaining to the ownership interest retained from consumer loans held for sale related to third party relationship one.

No definition available.

Name:	rbcaa_ConsumerLoansHeldForSaleInterestRetainedForThirdPartyRelationshipOne
Namespace Prefix:	rbcaa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents information pertaining to the ownership interest retained from consumer loans held for sale related to third party relationship two.

No definition available.

Name:	rbcaa_ConsumerLoansHeldForSaleInterestRetainedForThirdPartyRelationshipTwo
Namespace Prefix:	rbcaa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents information pertaining to consumer loans held for sale period within origination.

No definition available.

Name:	rbcaa_ConsumerLoansHeldForSalePeriod
Namespace Prefix:	rbcaa_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Amount of fees charged from customers under easy advance.

No definition available.

Name:	rbcaa_EasyAdvanceFeeExpense
Namespace Prefix:	rbcaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

The net realizable value of loans that will be sold to other entities.

No definition available.

Name:	rbcaa_LoansReceivableHeldForSaleAmountNetRealizableValue
Namespace Prefix:	rbcaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Represents the period within which EAs were generally repaid after the taxpayer customer’s tax return was submitted to the applicable tax authority.

No definition available.

Name:	rbcaa_MaximumPeriodOfEasyAdvancesRepaid
Namespace Prefix:	rbcaa_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the maximum period beyond which EAs are generally charged-off after the taxpayer customer’s tax return is submitted to the applicable tax authority.

No definition available.

Name:	rbcaa_MaximumPeriodToWriteOffUnpaidEasyAdvances
Namespace Prefix:	rbcaa_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Maximum repayment period before Easy Advances considered delinquent.

No definition available.

Name:	rbcaa_MaximumRepaymentPeriodBeforeEasyAdvancesConsideredDelinquent
Namespace Prefix:	rbcaa_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents information pertaining to percentage of consumer loans receivables held for sale.

No definition available.

Name:	rbcaa_PercentageOfLoanReceivableHeldForSale
Namespace Prefix:	rbcaa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents information pertaining to percentage of consumer loans receivables held for sale relating to third party relationship two.

No definition available.

Name:	rbcaa_PercentageOfLoanReceivableHeldForSaleForThirdPartyRelationshipTwo
Namespace Prefix:	rbcaa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

The period Easy Advance ("EA") tax credit product is offered.

No definition available.

Name:	rbcaa_PeriodEasyAdvanceTaxCreditOffered
Namespace Prefix:	rbcaa_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

Represents the reclassification of interest into held-for-sale.

No definition available.

Name:	rbcaa_ReclassificationOfInterestIntoHeldForSale
Namespace Prefix:	rbcaa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

Represents the minimum maturity of unsecured, small dollar consumer loans.

No definition available.

Name:	rbcaa_SmallDollarConsumerLoansMinimumMaturity
Namespace Prefix:	rbcaa_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

The face amount of loans that will be sold to other entities.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=82891408&loc=d3e4428-111522

Name:	us-gaap_LoansReceivableHeldForSaleAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Value of loans held-for-sale transferred to loans held in the entity's portfolio in noncash transactions.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4304-108586

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4332-108586

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=98513485&loc=d3e4313-108586

Name:	us-gaap_TransferOfLoansHeldForSaleToPortfolioLoans1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Name:	us-gaap_StatementBusinessSegmentsAxis=rbcaa_TaxRefundSolutionsSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rbcaa_EasyAdvancesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_StatementBusinessSegmentsAxis=rbcaa_RepublicCreditSolutionsDivisionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rbcaa_ShortTermLineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rbcaa_ShortTermCreditCardMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rbcaa_ShortTermHealthcareReceivablesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: