Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

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- Definition

Interest expenses associated with derivative instruments held by the entity.

+ References

No definition available.

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- Definition

Interest expense on deposits associated with derivative instruments held by the entity.

+ References

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- Definition

Interest expense advances from the Federal Home Loan Bank associated with derivative instruments held by the entity.

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No definition available.

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- Definition

Weighted average pay rate related to the interest rate derivative.

+ References

No definition available.

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- Definition

Weighted average receive rate related to the interest rate derivative.

+ References

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- Definition

Expected amount before tax of reclassification adjustment from accumulated other comprehensive income of accumulated gain (loss) realized from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's deferred hedging gain (loss).

+ References

No definition available.

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- Definition

Average remaining period until maturity of the derivative contract, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4D

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624177-113959

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- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

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- Definition

Nominal or face amount used to calculate payments on the derivative liability.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5580258-113959

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5579245-113959

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

-URI http://asc.fasb.org/extlink&oid=6519104

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- Definition

The number of derivative instruments of a particular group held by the entity.

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- Definition

Fair value as of the balance sheet date of interest rate derivative liabilities, which includes all such derivative instruments in hedging and nonhedging relationships that are recognized as liabilities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611

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- Definition

Fair value of financial instrument held by the entity for its own account (proprietary securities) for trading or investment purposes that are carried at fair value and pledged to counterparties as collateral for financing transactions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 860

-SubTopic 30

-Section 50

-Paragraph 1A

-Subparagraph (b)(1)(i)

-URI http://asc.fasb.org/extlink&oid=34720971&loc=SL6224234-111729

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-Name Accounting Standards Codification

-Topic 860

-SubTopic 30

-Section 45

-Paragraph 1

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- Definition

The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

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INTEREST RATE SWAPS (Details) (USD $)	3 Months Ended		12 Months Ended
INTEREST RATE SWAPS (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014	Dec. 31, 2013 item
Summary information about Swap designated as a cash flow hedges
Fair value of security pledged as collateral	$ 414,350,000		$ 410,307,000
Interest expense on deposits related to money market swap transaction	49,000	49,000
Interest expense on FHLB Advances related to FHLB swap transaction	52,000	51,000
Total interest expense on swap transaction	101,000rbcaa_DerivativeInterestExpense	100,000rbcaa_DerivativeInterestExpense
Cash flow hedges included in the consolidated balance sheet
Expected reclassification amount for derivative losses realized in income	427,000
Interest rate swap \| Cash flow hedge
Derivative [Line Items]
Number of derivative agreements				2
Summary information about Swap designated as a cash flow hedges
Notional amount	20,000,000		20,000,000
Weighted average pay rate (as a percent)	2.25%		2.25%
Weighted average receive rate (as a percent)	0.22%		0.21%
Weighted average remaining maturity in years	6 years		6 years
Unrealized gain (loss)	(783,000)		(488,000)
Fair value of security pledged as collateral	1,015,000		734,000
Net losses recorded in accumulated OCI and the consolidated statements of income relating to the cash flow hedges
Amount of Gain (Loss) Recognized in Other Comprehensive Income on Derivative (Effective Portion)	(396,000)	(339,000)
Amount of Gain (Loss) Reclassified from Accumulated Other Comprehensive Income on Derivative (Effective Portion)	(101,000)	(100,000)
Cash flow hedges included in the consolidated balance sheet
Notional amount included in other liabilities	20,000,000		20,000,000
Fair value included in other liabilities	783,000		488,000
Interest rate swap \| Cash flow hedge \| 3-month LIBOR
Summary information about Swap designated as a cash flow hedges
Notional amount	10,000,000		10,000,000
Interest rate swap \| Cash flow hedge \| 1-month LIBOR
Summary information about Swap designated as a cash flow hedges
Notional amount	$ 10,000,000		$ 10,000,000