Investment Securities (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Reconciliation of amortized cost to fair value of investment securities reported as available for sale
Amortized Cost	$ 240,187	$ 281,012
Gross Unrealized Gains	2,134	7,784
Gross Unrealized Losses	(4,781)	(1,114)
Fair Value	237,540	287,682
Obligations of U.S. government agencies
Reconciliation of amortized cost to fair value of investment securities reported as available for sale
Amortized Cost	4,735	7,307
Gross Unrealized Gains	71	262
Gross Unrealized Losses	(2)	(2)
Fair Value	4,804	7,567
Mortgage-backed securities - U.S. government sponsored entities and agencies
Reconciliation of amortized cost to fair value of investment securities reported as available for sale
Amortized Cost	148,458	145,430
Gross Unrealized Gains	579	1,136
Gross Unrealized Losses	(3,060)	(798)
Fair Value	145,977	145,768
Mortgage-backed securities - Non-agency
Reconciliation of amortized cost to fair value of investment securities reported as available for sale
Amortized Cost	19,933	43,402
Gross Unrealized Gains	528	1,578
Gross Unrealized Losses	(46)	(185)
Fair Value	20,415	44,795
State and municipal securities
Reconciliation of amortized cost to fair value of investment securities reported as available for sale
Amortized Cost	35,079	64,824
Gross Unrealized Gains	640	4,240
Gross Unrealized Losses	(1,326)	(96)
Fair Value	34,393	68,968
Asset backed securities
Reconciliation of amortized cost to fair value of investment securities reported as available for sale
Amortized Cost	31,982	20,049
Gross Unrealized Gains	316	568
Gross Unrealized Losses	(347)	(33)
Fair Value	$ 31,951	$ 20,584

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

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-Name Accounting Standards Codification

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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Reference 4: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 133

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-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.

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-Name FASB Staff Position (FSP)

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-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 9: http://www.xbrl.org/2003/role/presentationRef

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-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.

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-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.

+ 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