This line item represents the cash payment for liens specified as percentage of redemption amount.

No definition available.

Name:	rbpaa_CashPaymentForLiensSpecifiedAsPercentageOfRedemptionAmount
Namespace Prefix:	rbpaa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

This line item represents the interest rate on tax liens acquired during the period.

+ References

No definition available.

+ Details

Name:	rbpaa_InterestRateOnTaxLiensAcquired
Namespace Prefix:	rbpaa_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

The portion of the loss contingency recorded in the period that is attributable to the Parent.

+ References

No definition available.

+ Details

Name:	rbpaa_LossContingencyLossInPeriodAttributableToParent
Namespace Prefix:	rbpaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Refers to number of law firms appointed by court.

+ References

No definition available.

+ Details

Name:	rbpaa_NumberOfLawFirmsAppointed
Namespace Prefix:	rbpaa_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

The value of the original investment that triggered the lawsuit regarding the original bankruptcy.

+ References

No definition available.

+ Details

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Namespace Prefix:	rbpaa_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

This line item represents the payment period from date of written notice.

+ References

No definition available.

+ Details

Name:	rbpaa_PaymentPeriodFromDateOfWrittenNotice
Namespace Prefix:	rbpaa_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 159

-Paragraph 18

-Subparagraph f

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 18

-Paragraph 20

-Subparagraph a (1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

Name:	us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The amount of loss pertaining to the specified contingency that was charged against earnings in the period, including the effects of revisions in previously reported estimates.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 450

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6952336&loc=d3e14326-108349

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 5

-Paragraph 9

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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

LEGAL CONTINGENCIES (Details) (USD $)	3 Months Ended	12 Months Ended			12 Months Ended			12 Months Ended
LEGAL CONTINGENCIES (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Oct. 22, 2012 LawFirm	Dec. 31, 2012 CSC [Member]	Dec. 31, 2013 CSC [Member]	Dec. 31, 2013 RTL [Member]	Dec. 31, 2010 Lehman Brothers Holdings, Inc. [Member]
Equity Method Investments [Line Items]
Percentage of equity interest hold (in hundredths)						60.00%	60.00%
Loss contingency accrual	$ 1,650,000	$ 1,750,000	$ 0		$ 2,000,000
Department of Justice fine in period attributable to parent	990,000				1,200,000
Cash payment for liens specified as percentage of redemption amount (in hundredths)		85.00%
Payment period from date of written notice		35 days
Number of law firms appointed				2
Interest rate on tax liens acquired		0.00%
Par value of investment which triggered the legal action triggered by bankruptcy								$ 25,000,000