Loans (Commercial and Retail Credit Exposure Credit Risk Profile by Internal Rating) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 978,113	$ 990,569
Residential Mortgage [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	490,415	502,619
Residential Mortgage [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	478,150	486,027
Residential Mortgage [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,824	2,012
Residential Mortgage [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	10,441	14,580
Consumer Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	200,833	199,102
Consumer Loans [Member] | Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	102,025	100,516
Consumer Loans [Member] | Auto [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	15,277	15,572
Consumer Loans [Member] | Boat/RV [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	77,559	76,416
Consumer Loans [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	5,972	6,598
Consumer Loans [Member] | Pass [Member] | Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	99,984	97,972
Consumer Loans [Member] | Pass [Member] | Auto [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	15,267	15,533
Consumer Loans [Member] | Pass [Member] | Boat/RV [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	76,545	75,026
Consumer Loans [Member] | Pass [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	5,842	6,434
Consumer Loans [Member] | Substandard [Member] | Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	2,041	2,544
Consumer Loans [Member] | Substandard [Member] | Auto [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	10	39
Consumer Loans [Member] | Substandard [Member] | Boat/RV [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,014	1,390
Consumer Loans [Member] | Substandard [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	130	164
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	286,865	288,848
Commercial [Member] | Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	197,675	203,613
Commercial [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	74,075	67,773
Commercial [Member] | Construction and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	15,115	17,462
Commercial [Member] | Pass [Member] | Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	185,175	185,794
Commercial [Member] | Pass [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	71,812	63,413
Commercial [Member] | Pass [Member] | Construction and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	7,663	9,314
Commercial [Member] | Special Mention [Member] | Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	3,890	6,692
Commercial [Member] | Special Mention [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	180	255
Commercial [Member] | Special Mention [Member] | Construction and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,679	172
Commercial [Member] | Substandard [Member] | Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	8,610	11,127
Commercial [Member] | Substandard [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	1,476	3,281
Commercial [Member] | Substandard [Member] | Construction and Development [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	5,773	7,976
Commercial [Member] | Doubtful [Member] | Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans	$ 607	$ 824