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

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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://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=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
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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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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

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FAIR VALUE - GAINS AND LOSSES (Details) $ in Thousands	3 Months Ended	12 Months Ended
FAIR VALUE - GAINS AND LOSSES (Details) $ in Thousands	Mar. 31, 2018 USD ($) loan	Dec. 31, 2017 USD ($) loan	Mar. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Fair Value, Option
Aggregate fair value of mortgage loan	$ 4,496	$ 5,761	$ 5,193	$ 11,662
Aggregate fair value of consumer loan	2,419	2,677	$ 3,679	$ 2,198
Contractual balance	$ 4,052,694	$ 4,014,673
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	$ 4,496	$ 5,761
Contractual balance	4,412	5,668
Unrealized gain	84	93
Gains (losses) from changes in fair value included in earnings	63	60
Mortgage loans held for sale \| Interest Income
Fair Value, Option
Gains (losses) from changes in fair value included in earnings	72	67
Mortgage loans held for sale \| Change In Fair Value
Fair Value, Option
Gains (losses) from changes in fair value included in earnings	$ (9)	$ (7)
Consumer Loans Held For Sale
Fair Value, Option
Number of loans past due 90 days or more or on nonaccrual \| loan	0	0
Consumer loans held for sale period	21 days
Aggregate fair value of consumer loan	$ 2,419	$ 2,677
Contractual balance	2,291	2,535
Unrealized gain	128	142
Gains (losses) from changes in fair value included in earnings	162	268
Consumer Loans Held For Sale \| Interest Income
Fair Value, Option
Gains (losses) from changes in fair value included in earnings	176	186
Consumer Loans Held For Sale \| Change In Fair Value
Fair Value, Option
Gains (losses) from changes in fair value included in earnings	$ (14)	$ 82