INTEREST RATE SWAPS - INTEREST EXPENSE (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
INTEREST RATE SWAPS
Interest expense swap on money market deposits	$ 38	$ (8)	$ 55	$ (16)
Interest expense swap on FHLB Advance	41	(5)	53	(16)
Total interest (benefit) expense on swap transactions	$ 79	$ (13)	$ 108	$ (32)

Interest expense advances from the Federal Home Loan Bank associated with derivative instruments held by the entity.

No definition available.

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