Loans (Troubled Debt Restructurings Loans Modified) (Tables) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Financing Receivable, Impaired [Line Items]
Financing Receivable, Number of Contracts, Duration	2	3	9
Financing Receivable, Modifications, Pre-Modification Recorded Investment, Duration	$ 1,082	$ 1,856	$ 10,090
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans		11	22
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	3	1	3
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	781	909	781
SBA loans [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Number of Contracts, Duration			1
Financing Receivable, Modifications, Pre-Modification Recorded Investment, Duration			46
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	1		1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	52		52
SBA 504 loans [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Number of Contracts, Duration			1
Financing Receivable, Modifications, Pre-Modification Recorded Investment, Duration			1,339
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans			12
Commercial other [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Number of Contracts, Duration			1
Financing Receivable, Modifications, Pre-Modification Recorded Investment, Duration			985
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans			4
Commercial real estate [Member]
Financing Receivable, Impaired [Line Items]
Financing Receivable, Number of Contracts, Duration	2	3	6
Financing Receivable, Modifications, Pre-Modification Recorded Investment, Duration	1,082	1,856	7,720
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans		11	6
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	2	1	2
Financing Receivable, Modifications, Subsequent Default, Recorded Investment	$ 729	$ 909	$ 729

Amount of investment in financing receivables (before modification) modified by troubled debt restructurings.

No definition available.

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

No definition available.

+ Details

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings within the previous 12 months and 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=7512638&loc=SL6953682-111524

+ Details

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- 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

+ Details

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- Definition

Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 114

-Paragraph 20

-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 OTS

-Name Federal Regulation (FR)

-Number Title 12

-Section 563c.102

-Paragraph 8

-Subparagraph j(ii)

-Chapter V

-Subsection I

-LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 15

-Paragraph 40

-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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