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Investment Securities (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Investment [Line Items]
Gain (Loss) on Sale of Securities, Gross	$ 71
Investment Securities:
Consolidated investment securities portfolio modified, years	2 years 1 month 24 days
Proceeds from sales of investment securities - available for sale	1,218
Book value of securities available for sale and held to maturity	$ 89,123		$ 94,206
Positions considered temporarily impaired	18
Standard & Poor's, AAA Rating [Member]
Investment [Line Items]
Portfolio rated	91.10%		92.20%
Standard & Poor's, A Rating [Member]
Investment [Line Items]
Portfolio rated	1.30%

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Carrying value of available for sale held to maturity and federal home loan bank.

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The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.

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Disclosure regarding factors used to determine that the impairment of securities categorized as held-to-maturity where cost exceeds fair value is not an other than temporary impairment (OTTI). This item contains disclosure of the number of investment positions in the held-to-maturity investments determined to be temporarily impaired.

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The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

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