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

Name:	rbcaa_NumberOfLoansPastDue90DaysOrOnNonaccrualStatus
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

Name:	rbcaa_UnrealizedGainLossInFairValueLoansHeldForSale
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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Data Type:	xbrli:monetaryItemType
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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Balance Type:
Period Type:

FAIR VALUE - GAINS AND LOSSES (Details) $ in Thousands	3 Months Ended		9 Months Ended	12 Months Ended
FAIR VALUE - GAINS AND LOSSES (Details) $ in Thousands	Sep. 30, 2019 USD ($) loan	Sep. 30, 2018 USD ($)	Sep. 30, 2019 USD ($) loan	Dec. 31, 2018 USD ($) loan	Jun. 30, 2019 USD ($)	Jun. 30, 2018 USD ($)	Dec. 31, 2017 USD ($)
Fair Value, Option
Aggregate fair value of mortgage loan	$ 32,739	$ 7,862	$ 32,739	$ 8,971	$ 13,883	$ 12,653	$ 5,761
Consumer loans held for investment	1,187		1,187	1,922
Contractual balance	$ 4,663,081		$ 4,663,081	$ 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	0
Aggregate fair value of mortgage loan	$ 32,739		$ 32,739	$ 8,971
Contractual balance	32,243		32,243	8,676
Unrealized (loss) gain	496		496	295
Gains (losses) from changes in fair value included in earnings	367	23	685	341
Mortgage loans held for sale \| Interest Income
Fair Value, Option
Gains (losses) from changes in fair value included in earnings	212	133	484	308
Mortgage loans held for sale \| Change In Fair Value
Fair Value, Option
Gains (losses) from changes in fair value included in earnings	$ 155	(110)	$ 201	$ 33
Consumer loans
Fair Value, Option
Number of loans past due 90 days or more or on nonaccrual \| loan	0		0	0
Consumer loans held for investment	$ 1,187		$ 1,187	$ 1,922
Contractual balance	1,384		1,384	2,170
Unrealized (loss) gain	(197)		(197)	(248)
Gains (losses) from changes in fair value included in earnings	108	151	346	51
Consumer loans \| Interest Income
Fair Value, Option
Gains (losses) from changes in fair value included in earnings	94	130	295	457
Consumer loans \| Change In Fair Value
Fair Value, Option
Gains (losses) from changes in fair value included in earnings	$ 14	$ 21	$ 51	$ (406)