Loans, Trouble Debt Restructuring (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Financing receivable modifications [Abstract]
Number of contracts			1
Recidivism receivables [Abstract]
Total recidivism, Number of contracts	1		1
Total recidivism, Recorded investment	$ 48		$ 48
Interest Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts	1	0	1	5
Pre-modification Outstanding Recorded Investment	48	0	48	5,912
Post-Modification Outstanding Recorded Investment	48	0	48	5,912
Term Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts	1	0	3	0
Pre-modification Outstanding Recorded Investment	71	0	169	0
Post-Modification Outstanding Recorded Investment	71	0	169	0
Real estate loans [Member] \| Residential [Member] \| Interest Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts	1		1
Pre-modification Outstanding Recorded Investment	48		48
Post-Modification Outstanding Recorded Investment	48		48
Real estate loans [Member] \| Residential [Member] \| Term Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts	1
Pre-modification Outstanding Recorded Investment	71		71
Post-Modification Outstanding Recorded Investment	71		71
Real estate loans [Member] \| Commercial [Member]
Recidivism receivables [Abstract]
Total recidivism, Number of contracts	1		1
Total recidivism, Recorded investment	48		48
Real estate loans [Member] \| Commercial [Member] \| Interest Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts		0	0	5
Pre-modification Outstanding Recorded Investment		0	0	5,912
Post-Modification Outstanding Recorded Investment		0	0	5,912
Real estate loans [Member] \| Commercial [Member] \| Term Modification [Member]
Financing receivable modifications [Abstract]
Number of contracts		0	2	0
Pre-modification Outstanding Recorded Investment		0	98	0
Post-Modification Outstanding Recorded Investment		$ 0	$ 98	$ 0

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

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

Amount of investment in financing receivables (before modification) 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

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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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