Loans Loans Modified in Trouble Debt Restructurings (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Financing Receivable, Modifications [Line Items]
Number of Loans	2	7	7	14
Pre-Modification Outstanding Recorded Investment	$ 16	$ 88	$ 57	$ 148
Post-Modification Outstanding Recorded Investment	16	88	57	148
Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	0	0	0	0
Pre-Modification Outstanding Recorded Investment	0	0	0	0
Post-Modification Outstanding Recorded Investment	0	0	0	0
Commercial Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	0	0	0	0
Pre-Modification Outstanding Recorded Investment	0	0	0	0
Post-Modification Outstanding Recorded Investment	0	0	0	0
Commercial Real Estate [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	0	2	0	2
Pre-Modification Outstanding Recorded Investment	0	47	0	47
Post-Modification Outstanding Recorded Investment	0	47	0	47
Other Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	0	0	0	0
Pre-Modification Outstanding Recorded Investment	0	0	0	0
Post-Modification Outstanding Recorded Investment	0	0	0	0
Automobile [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	2	5	7	12
Pre-Modification Outstanding Recorded Investment	16	41	57	101
Post-Modification Outstanding Recorded Investment	16	41	57	101
Residential [Member]
Financing Receivable, Modifications [Line Items]
Number of Loans	0	0	0	0
Pre-Modification Outstanding Recorded Investment	0	0	0	0
Post-Modification Outstanding Recorded Investment	$ 0	$ 0	$ 0	$ 0