Investment Securities (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Summary of Investment Securities
Available for sale, Amortized Cost	$ 89,335	$ 85,912
Available for sale, Unrealized Gains	1,723	1,775
Available for sale, Unrealized Losses	93	138
Available for sale, Estimated Fair Value	90,965	87,549
U.S. Government agency [Member]
Summary of Investment Securities
Available for sale, Amortized Cost	49,638	47,782
Available for sale, Unrealized Gains	321	306
Available for sale, Unrealized Losses	13	56
Available for sale, Estimated Fair Value	49,946	48,032
State and municipal [Member]
Summary of Investment Securities
Available for sale, Amortized Cost	1,077	1,077
Available for sale, Unrealized Gains	67	59
Available for sale, Unrealized Losses	0	0
Available for sale, Estimated Fair Value	1,144	1,136
Residential mortgage-backed securities [Member]
Summary of Investment Securities
Available for sale, Amortized Cost	37,989	36,435
Available for sale, Unrealized Gains	1,290	1,372
Available for sale, Unrealized Losses	80	82
Available for sale, Estimated Fair Value	39,199	37,725
Other equity securities [Member]
Summary of Investment Securities
Available for sale, Amortized Cost	631	618
Available for sale, Unrealized Gains	45	38
Available for sale, Unrealized Losses	0	0
Available for sale, Estimated Fair Value	$ 676	$ 656

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

This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This item represents Available-for-sale Securities which consist of all investments in certain debt and equity securities neither classified as trading or held-to-maturity securities. A debt security represents a creditor relationship with an enterprise. Debt securities include, among other items, US Treasury securities, US government securities, municipal securities, corporate bonds, convertible debt, commercial paper, and all securitized debt instruments. An equity security represents an ownership interest in an enterprise or the right to acquire or dispose of an ownership interest in an enterprise at fixed or determinable prices. Equity securities include, among other things, common stock, certain preferred stock, warrant rights, call options, and put options, but do not include convertible debt. An entity may opt to provide the reader with additional narrative text to better understand the nature of investments in debt and equity securities which are categorized as Available-for-sale.

+ 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