Investment Securities (Details 2) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Available for sale, Amortized Cost, Due in one year or less	$ 5,015
Available for sale, Amortized Cost, Due after one year through five years	18,240
Available for sale, Amortized Cost, Due after five years through ten years	4,409
Available for sale, Amortized Cost, Due after ten years	94,575
Available for sale, Amortized Cost, Debt maturities	122,239
Available for sale, Amortized Cost, Total	122,828
Available for sale, Estimated Fair Value, Due in one year or less	5,031
Available for sale, Estimated Fair Value, Due after one year through five years	18,305
Available for sale, Estimated Fair Value, Due after five years through ten years	4,579
Available for sale, Estimated Fair Value, Due after ten years	97,833
Available for sale, Estimated Fair Value, Debt maturities	125,748
Available for sale, Estimated Fair Value, Total	126,372	129,780
Held to maturity securities, Amortized Cost, Due in one year or less	1,415
Held to maturity securities, Amortized Cost, Due after one year through five years	1,148
Held to maturity securities, Amortized Cost, Due after five years through ten years	1,008
Held to maturity securities, Amortized Cost, Due after ten years	504
Held to maturity securities, Amortized Cost, Debt maturities	4,075
Held to maturity securities, Amortized Cost, Total	4,075	6,480
Held to maturity securities, Estimated Fair Value, Due in one year or less	1,422
Held to maturity securities, Estimated Fair Value, Due after one year through five years	1,206
Held to maturity securities, Estimated Fair Value, Due after five years through ten years	1,141
Held to maturity securities, Estimated Fair Value, Due after ten years	557
Held to maturity securities, Estimated Fair Value, Debt maturities	4,326
Held-to-maturity securities, Estimated Fair Value, Total	4,326	6,732
Equity Securities [Member]
Available for sale, Amortized Cost, Total	589
Available for sale, Estimated Fair Value, Total	624	599
Held to maturity securities, Amortized Cost, Total	0
Held-to-maturity securities, Estimated Fair Value, Total	$ 0

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.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.2)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name FASB Staff Position (FSP)

-Number FAS115-1/124-1

-Paragraph 7

-Footnote 2

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 115

-Paragraph 19

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.