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FAIR VALUE - COLLATERAL-DEPENDENT LOANS (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Fair Value, Inputs, Level 3 | Nonrecurring basis
Provision for impairment on loan, lease and other losses
Provisions on collateral-dependent loans	$ 7	$ 14	$ 4

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- Definition

Provisions (recovery of) for loan losses recorded during the period on collateral dependent impaired loans.

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No definition available.

+ Details

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

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- References

No definition available.

+ Details

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

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

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- Details

Name:	us-gaap_FairValueByMeasurementFrequencyAxis=us-gaap_FairValueMeasurementsNonrecurringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: