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LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Details 3) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Loans disclosures  
Percentage of collateral in California 76.00%rbcaa_LoansReceivablePercentageSecuredByCollateralInCalifornia
Total loans $ 19,531us-gaap_PaymentsForProceedsFromLoansReceivable
Purchased Loan [Member]  
Loans disclosures  
Total loans 361us-gaap_PaymentsForProceedsFromLoansReceivable
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= rbcaa_PurchasedLoanMember
Owner Occupied - Correspondent | Purchased Loan [Member]  
Loans disclosures  
Total loans $ 19,170us-gaap_PaymentsForProceedsFromLoansReceivable
/ us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis
= rbcaa_PurchasedLoanMember
/ us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis
= rbcaa_OwnerOccupiedCorrespondentResidentialRealEstateLoansMember