Amount of deposit expense attributable to disposal group, including, but not limited to, discontinued operation.

No definition available.

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

- Definition

Amount classified as loans, including credit cards attributable to disposal group held for sale or disposed of.

+ References

No definition available.

+ Details

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

- Definition

Represents the trailing period average amount of deposits as of closing date based on which the final premium is calculated.

+ References

No definition available.

+ Details

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

- Definition

Represents the number of banking center held for sale.

+ References

No definition available.

+ Details

Name:	rbcaa_NumberOfBankingCenterHeldForSale
Namespace Prefix:	rbcaa_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of blended premium of the total deposits expected for the disposal transaction.

+ References

No definition available.

+ Details

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

- Definition

Period Of operation OF Divested Branches

+ References

No definition available.

+ Details

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

- Definition

Amount classified as property, plant and equipment attributable to disposal group held for sale or disposed of, expected to be disposed of after one year or the normal operating cycle, if longer.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=109222160&loc=SL51721533-107759

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 45
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=109222160&loc=d3e1107-107759

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2510-110228

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5B
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=109222650&loc=SL51721673-107760

+ Details

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

- Definition

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.

+ References

No definition available.

+ Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_DisposalGroupClassificationAxis=us-gaap_DisposalGroupDisposedOfBySaleNotDiscontinuedOperationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis=rbcaa_FourBankingCentersKentuckyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

BRANCH DIVESTITURE - NARRATIVE (Details) $ in Millions		1 Months Ended	12 Months Ended
BRANCH DIVESTITURE - NARRATIVE (Details) $ in Millions	Nov. 15, 2019 USD ($)	Jul. 31, 2019 item	Dec. 31, 2019
Disposal Group
Period of operation of divested branches			10 months 15 days
Disposal Group, Disposed of by Sale \| Four banking centers
Disposal Group
Number of banking centers held for sale \| item		4
Loans, including credit cards	$ 128.0
Deposits	132.0
Fixed assets	$ 1.3
Blended premium of the total deposits expected (as a percent)	6.10%
Trailing day	10 days