Name:	frbk_HeldToMaturitySecuritiesTransferredFromAvailableForSale
Namespace Prefix:	frbk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Refers to number of securities, previously classified as available-for-sale transferred to the held-to-maturity category.

No definition available.

Name:	frbk_NumberOfSecuritiesTransferredToHeldToMaturity
Namespace Prefix:	frbk_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

Fair market value of securities transferred to held-for-maturity.

No definition available.

Name:	frbk_SecuritiesAvailableForSaleTransferredToHeldToMaturityFairValue
Namespace Prefix:	frbk_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Amount after tax, before reclassification adjustments, of unrealized holding gain (loss) on available-for-sale securities transferred to held-to-maturity.

No definition available.

Name:	frbk_SecuritiesTransferredToHeldToMaturityUnrealizedGainLoss
Namespace Prefix:	frbk_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

For any transfer of securities categorized as held-to-maturity, this item represents the net carrying amount of the transferred security to another category of investments in debt and equity securities (trading or available-for-sale).

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 10

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27405-111563