Name:	rbcaa_EmployeeBenefitPlan.CatchUpContributionEligibilityAge
Namespace Prefix:	rbcaa_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

Percentage of employer contributions on elective deferrals in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	rbcaa_EmployeeBenefitPlanEmployerContributionElectiveDeferralsPercentage
Namespace Prefix:	rbcaa_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Period for enrollment in to the plan in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

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

Percentage of increase in eligible compensation contributed for participant automatically enrolled until changed by employee in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	rbcaa_EmployeeBenefitPlanParticipantContributionAutomaticIncreaseInDeferralRate
Namespace Prefix:	rbcaa_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Maximum percentage of participant contribution applicable for automatic increase in deferral rate.

No definition available.

Name:	rbcaa_EmployeeBenefitPlanParticipantContributionAutomaticIncreaseMaximumDeferralRate
Namespace Prefix:	rbcaa_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of minimum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total pretax annual compensation.

No definition available.

Name:	rbcaa_EmployeeBenefitPlanParticipantContributionPretaxMinimumAnnualCompensationToTotalCompensationPercentage
Namespace Prefix:	rbcaa_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of elective deferrals on participants compensation in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

No definition available.

Name:	rbcaa_EmployeeBenefitPlanParticipantsCompensationPercentageOfElectiveDeferrals
Namespace Prefix:	rbcaa_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Amount of increase in net asset available for benefit from noncash contribution from employer of participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 45
-Paragraph 7
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477063/962-205-45-7

Name:	us-gaap-ebp_EmployeeBenefitPlanChangeInNetAssetAvailableForBenefitIncreaseForEmployerContributionNoncash
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Indicates (true false) whether description of employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) is published and made available.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

Name:	us-gaap-ebp_EmployeeBenefitPlanDescriptionAvailable
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:booleanItemType
Balance Type:	na
Period Type:	duration

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 962
-SubTopic 205
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478416/962-205-50-1

Name:	us-gaap-ebp_EmployeeBenefitPlanDescriptionOfPlanLineItems
Namespace Prefix:	us-gaap-ebp_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Percentage of employer matching contribution on eligible participant contribution to employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 962
-SubTopic 325
-Name Accounting Standards Codification
-Section 55
-Paragraph 17
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478873/962-325-55-17

Name:	us-gaap-ebp_EmployeeBenefitPlanEmployerContributionMatchingPercentage
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of participant compensation eligible for employer matching contribution for participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)).

Name:	us-gaap-ebp_EmployeeBenefitPlanEmployerContributionParticipantCompensationMatchedPercentage
Namespace Prefix:	us-gaap-ebp_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

Percentage of maximum pretax annual compensation that participant in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)), is permitted to contribute to total pretax annual compensation.