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Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis (USD $) In Thousands, unless otherwise specified | Jun. 30, 2014 | Dec. 31, 2013
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Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | $ 266,959 | $ 323,070
US Treasury Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 9,472 | 13,519
US Treasury Securities [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 9,472 | 13,519
Federal Agency Obligations [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 22,648 | 19,941
Federal Agency Obligations [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 22,648 | 19,941
Residential Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 45,919 | 48,874
Residential Mortgage Backed Securities [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 45,919 | 48,874
Commercial Mortgage Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 3,021 | 6,991
Commercial Mortgage Backed Securities [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 3,021 | 6,991
US States and Political Subdivisions Debt Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 6,503 | 31,460
US States and Political Subdivisions Debt Securities [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 6,503 | 31,460
Trust Preferred Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 16,336 | 19,403
Trust Preferred Securities [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 16,336 | 19,403
Corporate Bonds and Notes [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 139,327 | 158,630
Corporate Bonds and Notes [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 139,327 | 158,630
Asset-backed Securities [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 15,176 | 15,979
Asset-backed Securities [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 15,176 | 15,979
Certificates of Deposit [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 2,132 | 2,262
Certificates of Deposit [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 2,132 | 2,262
Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 293 | 287
Equity Securities [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 293 | 287
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 6,132 | 5,724
Money Market Funds [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 6,132 | 5,724
Fair Value, Inputs, Level 1 [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | 15,897 | 19,530
Fair Value, Inputs, Level 2 [Member] |  |
Fair Value Measurements and Fair Value of Financial Instruments (Details) - Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Line Items] |  |
Investment securities: Available-for-sale, Fair Value | $ 251,062 | $ 303,540

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- Definition Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 25 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=28360136&loc=d3e22054-111558 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27232-111563 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26610-111562 + Details
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