Represents the amount loan's discounts on the balance sheet, which are accreted into income over time.

No definition available.

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Namespace Prefix:	rbcaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of net accretion into interest income on loans, including loans fees, in acquired loans with evidence of deterioration of credit quality.

+ References

No definition available.

+ Details

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

- Definition

The amount of the loan's contractually required payments receivable in excess of the amount of its cash flows expected to be collected. This relates to loans with and without deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

+ References

No definition available.

+ Details

Name:	rbcaa_CertainLoansAcquiredInTransferNonaccretableAmount
Namespace Prefix:	rbcaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the amount of reclassification to (from) non-accretable and accretable amounts in acquired loans with evidence of deterioration of credit quality.

+ References

No definition available.

+ Details

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

- Definition

Represents the amount of discounts on the balance sheet, which are accreted into income over time with and without evidence of deterioration of credit quality.

+ References

No definition available.

+ Details

Name:	rbcaa_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableAmount
Namespace Prefix:	rbcaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Fair value at acquisition of acquired loans not accounted for as debt securities with and without evidence of deterioration of credit quality.

+ References

No definition available.

+ Details

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

- Definition

Gross amount of contractually required payments on loans and leases receivable.

+ References

No definition available.

+ Details

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

- Definition

The amount of the loan's contractually required payments receivable in excess of the amount of its cash flows expected to be collected. This relates to loans with deteriorating of credit quality since origination that were acquired by completion of a transfer for which it is probable, at acquisition, that the investor will be unable to collect all contractually required payments receivable.

+ References

No definition available.

+ Details

Name:	us-gaap_CertainLoansAcquiredInTransferNonaccretableDifference
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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:	us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAccretableYieldMovementScheduleRollForward
Namespace Prefix:	us-gaap_
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:	us-gaap_CertainLoansAcquiredInTransferNotAccountedForAsDebtSecuritiesAcquiredDuringPeriodLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

+ Details

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

- Details

Name:	us-gaap_BusinessAcquisitionAxis=rbcaa_CornerstoneBancorpIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=rbcaa_NonPurchasedCreditImpairedLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis=us-gaap_ReceivablesAcquiredWithDeterioratedCreditQualityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=rbcaa_NonOwnerOccupiedResidentialRealEstateLoansMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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

- Details

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

- Details

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

- Details

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

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=us-gaap_ConsumerPortfolioSegmentMember
Namespace Prefix:
Data Type:	na
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LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES - PCI RECONCILIATION OF LOANS (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Dec. 31, 2016	May 17, 2016
Disclosures on loans acquired
Contractual receivable			$ 3,715,075	$ 3,816,086
Carrying value of loans			3,710,376	3,810,778
Cornerstone
Disclosures on loans acquired
Contractual receivable					$ 195,136
Non-accretable Discount					(1,941)
Accretable Discount					(3,571)
Acquisition-Day Fair Value					189,624
Non PCI Loans \| Cornerstone
Disclosures on loans acquired
Contractual receivable					185,510
Accretable Discount					(3,182)
Acquisition-Day Fair Value					182,328
PCI loan
Disclosures on loans acquired
Contractual receivable			14,926	15,587
Non-accretable amount			(1,806)	(1,713)
Accretable amount	$ (3,600)	$ (4,125)	(3,409)	(3,600)
Carrying value of loans			$ 9,711	$ 10,274
Rollforward of the accretable discount on purchased loans within the scope of ASC Topic 310-30
Balance at the beginning of the period	(3,600)	(4,125)
Transfers between non-accretable and accretable	90	(455)
Net accretion into interest income on loans, including loan fees	101	727
Balance at the end of the period	$ (3,409)	$ (3,853)
PCI loan \| Cornerstone
Disclosures on loans acquired
Contractual receivable					9,626
Non-accretable Discount					(1,941)
Accretable Discount					(389)
Acquisition-Day Fair Value					7,296
Residential Real Estate - Owner Occupied \| Non PCI Loans \| Cornerstone
Disclosures on loans acquired
Contractual receivable					15,487
Accretable Discount					(393)
Acquisition-Day Fair Value					15,094
Residential Real Estate - Owner Occupied \| PCI loan \| Cornerstone
Disclosures on loans acquired
Contractual receivable					2,963
Non-accretable Discount					(822)
Accretable Discount					(15)
Acquisition-Day Fair Value					2,126
Residential Real Estate - Non Owner Occupied \| Non PCI Loans \| Cornerstone
Disclosures on loans acquired
Contractual receivable					11,196
Accretable Discount					(101)
Acquisition-Day Fair Value					11,095
Residential Real Estate - Non Owner Occupied \| PCI loan \| Cornerstone
Disclosures on loans acquired
Contractual receivable					1,721
Non-accretable Discount					(320)
Accretable Discount					(167)
Acquisition-Day Fair Value					1,234
Commercial Real Estate \| Non PCI Loans \| Cornerstone
Disclosures on loans acquired
Contractual receivable					106,089
Accretable Discount					(1,498)
Acquisition-Day Fair Value					104,591
Commercial Real Estate \| PCI loan \| Cornerstone
Disclosures on loans acquired
Contractual receivable					4,315
Non-accretable Discount					(617)
Accretable Discount					(197)
Acquisition-Day Fair Value					3,501
Construction & land development \| Non PCI Loans \| Cornerstone
Disclosures on loans acquired
Contractual receivable					18,277
Accretable Discount					(502)
Acquisition-Day Fair Value					17,775
Construction & land development \| PCI loan \| Cornerstone
Disclosures on loans acquired
Contractual receivable					175
Acquisition-Day Fair Value					175
Commercial & Industrial \| Non PCI Loans \| Cornerstone
Disclosures on loans acquired
Contractual receivable					11,462
Accretable Discount					(191)
Acquisition-Day Fair Value					11,271
Commercial & Industrial \| PCI loan \| Cornerstone
Disclosures on loans acquired
Contractual receivable					66
Non-accretable Discount					(1)
Accretable Discount					1
Acquisition-Day Fair Value					66
Home equity lines of credit \| Non PCI Loans \| Cornerstone
Disclosures on loans acquired
Contractual receivable					20,652
Accretable Discount					(350)
Acquisition-Day Fair Value					20,302
Home equity lines of credit \| PCI loan \| Cornerstone
Disclosures on loans acquired
Contractual receivable					382
Non-accretable Discount					(178)
Accretable Discount					(11)
Acquisition-Day Fair Value					193
Consumer and other \| Non PCI Loans \| Cornerstone
Disclosures on loans acquired
Contractual receivable					2,347
Accretable Discount					(147)
Acquisition-Day Fair Value					2,200
Consumer and other \| PCI loan \| Cornerstone
Disclosures on loans acquired
Contractual receivable					4
Non-accretable Discount					(3)
Acquisition-Day Fair Value					$ 1