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

No definition available.

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

- Definition

Represents information pertaining to consumer loans held for sale period within origination.

+ References

No definition available.

+ Details

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Namespace Prefix:	rbcaa_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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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://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 30
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6957238&loc=d3e14172-108612

+ Details

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Namespace Prefix:	us-gaap_
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
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Period Type:	duration

- Definition

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

+ References

No definition available.

+ Details

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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:
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- Details

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

- Details

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- Details

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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, 2017 USD ($) loan	Sep. 30, 2016 USD ($) loan	Sep. 30, 2017 USD ($) loan	Dec. 31, 2016 USD ($) loan	Jun. 30, 2017 USD ($)	Jun. 30, 2016 USD ($)	Dec. 31, 2015 USD ($)
Fair Value, Option
Aggregate fair value of mortgage loan	$ 4,083	$ 8,442	$ 4,083	$ 11,662	$ 6,057	$ 12,280	$ 4,083
Aggregate fair value of consumer loan	3,368	1,691	3,368	2,198	$ 3,235	$ 6,826
Contractual balance	$ 3,960,048		$ 3,960,048	$ 3,816,086
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	$ 4,083		$ 4,083	$ 11,662
Contractual balance	3,980		3,980	11,568
Unrealized gain	103		103	94
Gains (losses) from changes in fair value included in earnings		133	264	303
Mortgage loans held for sale \| Interest Income
Fair Value, Option
Gains (losses) from changes in fair value included in earnings	102	76	255	148
Mortgage loans held for sale \| Change In Fair Value
Fair Value, Option
Gains (losses) from changes in fair value included in earnings	$ (102)	$ 57	$ 9	155
Consumer Loans Held For Sale
Fair Value, Option
Consumer loans held for sale period			21 days
Number of loans past due 90 days or more or on nonaccrual \| loan	0	0	0
Aggregate fair value of consumer loan	$ 3,368		$ 3,368	2,198
Contractual balance	3,189		3,189	2,084
Unrealized gain	179		179	114
Gains (losses) from changes in fair value included in earnings	247	$ 99	813	620
Consumer Loans Held For Sale \| Interest Income
Fair Value, Option
Gains (losses) from changes in fair value included in earnings	240	378	748	537
Consumer Loans Held For Sale \| Change In Fair Value
Fair Value, Option
Gains (losses) from changes in fair value included in earnings	$ 7	$ (279)	$ 65	$ 83