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

No definition available.

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

- Definition

Represents the number of loans past due 90 days or on nonaccrual status.

+ References

No definition available.

+ Details

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Namespace Prefix:	rbcaa_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the unrealized gain (loss) related to the change in the fair value of loans held for sale at of the balance sheet date.

+ References

No definition available.

+ Details

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

- Definition

For each line item in the statement of financial position, the amounts of gains and losses from fair value changes included in earnings.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14172-108612

+ Details

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Balance Type:	credit
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

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-URI http://asc.fasb.org/subtopic&trid=2196772

+ Details

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

- Definition

Fair value portion of mortgage loans held-for-sale.

+ References

No definition available.

+ Details

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

- Details

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

- Details

Name:	us-gaap_IncomeStatementLocationAxis=us-gaap_InterestIncomeMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_ConsumerLoanMember
Namespace Prefix:
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Period Type:

FAIR VALUE - GAINS AND LOSSES (Details) $ in Thousands	3 Months Ended	12 Months Ended
FAIR VALUE - GAINS AND LOSSES (Details) $ in Thousands	Mar. 31, 2019 USD ($) loan	Dec. 31, 2018 USD ($) loan	Mar. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Fair Value, Option
Aggregate fair value of mortgage loan	$ 11,313	$ 8,971	$ 4,496	$ 5,761
Consumer loans held for investment	1,718	1,922
Contractual balance	$ 4,297,610	$ 4,147,249
Mortgage loans held for sale
Fair Value, Option
Number of loans past due 90 days or more or on nonaccrual \| loan	0	0
Aggregate fair value of mortgage loan	$ 11,313	$ 8,971
Contractual balance	11,100	8,676
Unrealized (loss) gain	213	295
Gains (losses) from changes in fair value included in earnings	20	63
Mortgage loans held for sale \| Interest Income
Fair Value, Option
Gains (losses) from changes in fair value included in earnings	102	72
Mortgage loans held for sale \| Change In Fair Value
Fair Value, Option
Gains (losses) from changes in fair value included in earnings	$ (82)	$ (9)
Consumer loans
Fair Value, Option
Number of loans past due 90 days or more or on nonaccrual \| loan	0	0
Consumer loans held for investment	$ 1,718	$ 1,922
Contractual balance	1,948	2,170
Unrealized (loss) gain	(230)	(248)
Gains (losses) from changes in fair value included in earnings	129	162
Consumer loans \| Interest Income
Fair Value, Option
Gains (losses) from changes in fair value included in earnings	111	176
Consumer loans \| Change In Fair Value
Fair Value, Option
Gains (losses) from changes in fair value included in earnings	$ 18	$ (14)