Represents information pertaining to gain or loss on sales of consumer loans lower of cost or fair value.

No definition available.

Name:	rbcaa_GainLossOnSalesOfConsumerLoansLowerOfCostOrFairValue
Namespace Prefix:	rbcaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

+ Details

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

- 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:	rbcaa_LoansHeldForSaleLineItems
Namespace Prefix:	rbcaa_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The increase in line of credit and credit card loan receivables, measured at the lower of cost or fair value, due to their reclassification from loans held for investment to loans held for sale.

+ References

No definition available.

+ Details

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

- Definition

Amount, after allowance for bad debt, of line of credit and credit card loan receivables held-for-sale, at lower of cost or fair value, that are not part of a disposal group. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

+ References

No definition available.

+ Details

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

- Definition

The amount of cash paid for the origination of consumer loans that are held for sale (lower of cost or fair value).

+ References

No definition available.

+ Details

Name:	rbcaa_PaymentsForOriginationOfConsumerLoansHeldForSaleLowerOfCostOrFairValue
Namespace Prefix:	rbcaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

The cash inflow resulting from the sale of consumer loans that are held with the intention to resell in the near future (lower of cost or fair value).

+ References

No definition available.

+ Details

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

- Definition

Amount of financing receivable reclassified to held-for-sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11B
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-11

+ Details

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

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancingReceivablePortfolioSegmentAxis=rbcaa_FinancingReceivablesOtherPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

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

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

LOANS HELD FOR SALE - CONSUMER LOANS - LOWER COST (Details) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2026	Dec. 31, 2025	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2026	Jun. 30, 2025
Carried at lower of cost or fair value
Transferred from held for investment to held for sale				$ 5,000
Consumer
Carried at lower of cost or fair value
Balance, beginning of period	$ 19,399		$ 23,523	18,632	$ 17,027	$ 18,632
Origination of consumer loans held for sale	325,308		272,662		570,925	504,966
Transferred from held for investment to held for sale						4,977
Proceeds from the sale of loans held for sale	(318,426)		(279,465)		(564,122)	(514,078)
Net gain on sale of loans held for sale	2,744		2,920		5,195	5,143
Balance, end of period	29,025	$ 17,027	$ 19,640	$ 23,523	29,025	$ 19,640
Other loans
Carried at lower of cost or fair value
Balance, beginning of period					81,839
Transferred from held for investment to held for sale					0
Proceeds from the sale of loans held for sale					(87,684)
Net gain on sale of loans held for sale					5,845
Balance, end of period	$ 0	81,839			$ 0
Loans and leases reclassified to HFS		$ 82,000
Republic Credit Solutions \| Line of credit and credit card \| Minimum
Loans held for sale
Percentage of loan receivable held for sale (as a percent)					90.00%
Republic Credit Solutions \| Line of credit and credit card \| Maximum
Loans held for sale
Percentage of loan receivable held for sale (as a percent)					95.00%
Republic Credit Solutions \| Healthcare receivables
Loans held for sale
Percentage of loan receivable held for sale (as a percent)					100.00%