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MORTGAGE BANKING ACTIVITIES - LOANS SERVICED BY BANK (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Mortgage Loans Held-for-sale [Line Items]
Bank serviced loans	$ 1,316,919	$ 1,387,314
FHLMC
Mortgage Loans Held-for-sale [Line Items]
Bank serviced loans	899,444	966,677
Custodial escrow account balances maintained in connection with serviced loans	8,000	11,000
FNMA
Mortgage Loans Held-for-sale [Line Items]
Bank serviced loans	$ 417,475	$ 420,637

X

- Definition

Represents the value of of Bank serviced loans for others, not reported as assets.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

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

X

- Definition

The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 954
-SubTopic 440
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480327/954-440-50-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.10)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1

+ Details

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

X

- Details

Name:	dei_LegalEntityAxis=rbcaa_FederalHomeLoanMortgageCorporationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	dei_LegalEntityAxis=rbcaa_FederalNationalMortgageAssociationMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: