Loans (Narrative) (Details) (USD $)	Mar. 31, 2013 rating	Dec. 31, 2012 rating
Financing Receivable, Modifications [Line Items]
Weighted Average Risk Rating, Commercial Loans	4.73	4.77
Related Allowance on Loans Individually Evaluated for Impairment	$ 5,026,000	$ 2,880,000
Loan Receivable, Troubled Debt Restructurings [Member]
Financing Receivable, Modifications [Line Items]
Recorded Investment	19,000,000	20,200,000
Accrued Interest	49,000	13,000
Related Allowance on Loans Individually Evaluated for Impairment	$ 842,000	$ 898,000

Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 11B

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953423-111524

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=6951948&loc=d3e18845-111554

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- Definition

Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.8)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 8

-Article 5

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- Definition

The represents the weighted average risk rating for commercial loans.

+ References

No definition available.

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