Securities (Unrealized Gain (Loss) on Investments) (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Schedule of Investments [Line Items]
Available-for-sale securities, Amortized Cost	$ 89,485	$ 87,320
Available-for-sale Securities, Gross Unrealized Gains	2,245	2,915
Available-for-sale Securities, Gross Unrealized Losses	(663)	(697)
Available-for-sale securities, Estimated Fair Value	91,067	89,538
Securities held to maturity, Amortized cost	28,267	21,515
Securities held-to-maturity, Unrecognized Holding Gain	744	1,239
Securities held-to-maturity, Unrecognized Holding Loss	(152)	(13)
Securities held-to-maturity, Estimated Fair Value	28,859	22,741
US Government Agencies Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale securities, Amortized Cost	6,927	2,482
Available-for-sale Securities, Gross Unrealized Gains	72	86
Available-for-sale Securities, Gross Unrealized Losses	(4)
Available-for-sale securities, Estimated Fair Value	6,995	2,568
Securities held to maturity, Amortized cost	6,049	5,050
Securities held-to-maturity, Unrecognized Holding Gain	1	38
Securities held-to-maturity, Unrecognized Holding Loss	(31)
Securities held-to-maturity, Estimated Fair Value	6,019	5,088
US States and Political Subdivisions Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale securities, Amortized Cost	20,557	14,690
Available-for-sale Securities, Gross Unrealized Gains	499	613
Available-for-sale Securities, Gross Unrealized Losses	(150)
Available-for-sale securities, Estimated Fair Value	20,906	15,303
Securities held to maturity, Amortized cost	2,744	2,746
Securities held-to-maturity, Unrecognized Holding Gain	291	288
Securities held-to-maturity, Estimated Fair Value	3,035	3,034
Residential Mortgage Backed Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale securities, Amortized Cost	39,669	43,984
Available-for-sale Securities, Gross Unrealized Gains	1,417	1,684
Available-for-sale Securities, Gross Unrealized Losses	(88)	(123)
Available-for-sale securities, Estimated Fair Value	40,998	45,545
Securities held to maturity, Amortized cost	11,653	11,048
Securities held-to-maturity, Unrecognized Holding Gain	345	374
Securities held-to-maturity, Unrecognized Holding Loss	(11)	(13)
Securities held-to-maturity, Estimated Fair Value	11,987	11,409
Commercial Mortgage Backed Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale securities, Amortized Cost	3,674	4,423
Available-for-sale Securities, Gross Unrealized Gains	10	42
Available-for-sale Securities, Gross Unrealized Losses	(3)	(2)
Available-for-sale securities, Estimated Fair Value	3,681	4,463
Securities held to maturity, Amortized cost	6,842	2,671
Securities held-to-maturity, Unrecognized Holding Gain	107	539
Securities held-to-maturity, Unrecognized Holding Loss	(106)
Securities held-to-maturity, Estimated Fair Value	6,843	3,210
Corporate Debt Securities [Member]
Schedule of Investments [Line Items]
Available-for-sale securities, Amortized Cost	18,658	21,741
Available-for-sale Securities, Gross Unrealized Gains	247	490
Available-for-sale Securities, Gross Unrealized Losses	(418)	(572)
Available-for-sale securities, Estimated Fair Value	18,487	21,659
Securities held to maturity, Amortized cost	979
Securities held-to-maturity, Unrecognized Holding Loss	(4)
Securities held-to-maturity, Estimated Fair Value	$ 975

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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+ Details

- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References+ Details

- Definition

This item represents the gross unrealized gains for securities, at a point in time, which are categorized neither as held-to-maturity nor trading securities.

+ References+ Details

- Definition

For an unclassified balance sheet, this item represents investments in debt securities which are categorized as held-to-maturity. The held-to-maturity category is for those securities that the entity has the positive intent and ability to hold until maturity.

+ References

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-Publisher AICPA

-Name Accounting Research Bulletin (ARB)

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+ Details

- Definition

This item represents the aggregate fair value of investments in debt securities as of the balance sheet date and which are categorized as held-to-maturity.

+ References+ Details

- Definition

As of the balance sheet date, the excess of fair value over carrying value (amortized cost) of a debt security categorized as held-to-maturity, exclusive of dividend or interest income recognized but not yet received and exclusive of any write-downs for other-than-temporary impairment. Such item represents the gross unrecognized holding gain.

+ References+ Details

- Definition

As of the balance sheet date, the excess of carrying value (amortized cost) over fair value of a debt security categorized as held-to-maturity, exclusive of dividend or interest income recognized but not yet received and exclusive of any write-downs for other-than-temporary impairment. Such item represents the gross unrecognized holding loss.

+ References+ Details