XML 62 R51.htm IDEA: XBRL DOCUMENT v3.8.0.1

Loans (Summary Of Restructured Loans Within The Last Twelve Months That Have Subsequently Defaulted) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2017 USD ($) loan
Financing Receivable, Modifications [Line Items]
Number | loan	2
Pre-modification recorded investment | $	$ 679
SBA Non Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number | loan	2
Pre-modification recorded investment | $	$ 679

X

- Definition

Number of financing receivables that have been modified by troubled debt restructurings and subsequently defaulted within 12 months of restructuring.

+ References

No definition available.

+ Details

Name:	pfb_FinancingReceivableModificationsNumberOfContractsSubsequentlyDefaulted
Namespace Prefix:	pfb_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- 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

Name:	us-gaap_FinancingReceivableModificationsLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of investment related to financing receivables modified by troubled debt restructurings within the previous 12 months, for which there was a payment default.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 34
-URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953682-111524

+ Details

Name:	us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis=pfb_SbaNonRealEstateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: