Name:	rbcaa_BasisOfPresentationLineItems
Namespace Prefix:	rbcaa_
Data Type:	xbrli:stringItemType
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

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

Number of advances given to a customer under easy advance product of TRS division.

No definition available.

Name:	rbcaa_NumberOfEasyAdvancesPerCustomer
Namespace Prefix:	rbcaa_
Data Type:	xbrli:integerItemType
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 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

Name:	us-gaap_SubsegmentsAxis=rbcaa_TaxRefundSolutionsSubsegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	us-gaap_StatementBusinessSegmentsAxis=rbcaa_RepublicProcessingGroupMember
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_RangeAxis=us-gaap_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: