Loans (Troubled Debts Restructured) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Commercial [Member] | Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Post-modification outstanding recorded balance	$ 1,284	$ 678	$ 1,334	$ 1,081
Commercial [Member] | Other [Member]
Financing Receivable, Modifications [Line Items]
Post-modification outstanding recorded balance	112	181	835	277
Residential Mortgage [Member]
Financing Receivable, Modifications [Line Items]
Post-modification outstanding recorded balance	193	1,110	1,250	1,861
Consumer Loans [Member] | Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Post-modification outstanding recorded balance	524	67	753	393
Consumer Loans [Member] | Other [Member]
Financing Receivable, Modifications [Line Items]
Post-modification outstanding recorded balance		14	11	15
Consumer Loans [Member] | Auto [Member]
Financing Receivable, Modifications [Line Items]
Post-modification outstanding recorded balance		8	22	7
Consumer Loans [Member] | Boat/RV [Member]
Financing Receivable, Modifications [Line Items]
Post-modification outstanding recorded balance	96	48	126	58
Troubled Debts Restructured [Member] | Commercial [Member] | Real Estate [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans	1	2	2	3
Pre-modification outstanding recorded balance	1,290	518	518	921
Post-modification outstanding recorded balance	1,284	678	678	1,081
Troubled Debts Restructured [Member] | Commercial [Member] | Other [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans	1	2	2	3
Pre-modification outstanding recorded balance	113	119	119	216
Post-modification outstanding recorded balance	112	181	181	277
Troubled Debts Restructured [Member] | Residential Mortgage [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans	4	10	10	19
Pre-modification outstanding recorded balance	185	1,008	1,008	1,846
Post-modification outstanding recorded balance	193	1,110	1,110	1,972
Troubled Debts Restructured [Member] | Consumer Loans [Member] | Real Estate [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans	16	3	3	10
Pre-modification outstanding recorded balance	518	66	66	391
Post-modification outstanding recorded balance	524	67	67	393
Troubled Debts Restructured [Member] | Consumer Loans [Member] | Other [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans		2	2	2
Pre-modification outstanding recorded balance		15	15	16
Post-modification outstanding recorded balance		14	14	15
Troubled Debts Restructured [Member] | Consumer Loans [Member] | Auto [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans		1	1	1
Pre-modification outstanding recorded balance		8	8	8
Post-modification outstanding recorded balance		8	8	8
Troubled Debts Restructured [Member] | Consumer Loans [Member] | Boat/RV [Member]
Financing Receivable, Modifications [Line Items]
No. of Loans	3	2	2	3
Pre-modification outstanding recorded balance	97	48	48	58
Post-modification outstanding recorded balance	$ 96	$ 48	$ 48	$ 58