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Security Types (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2014 | Dec. 31, 2013
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US Government and Government Agencies and Authorities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value | $ 0 | $ 0
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 0 | 0
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 33,920 | 23,247
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 22,114 | 21,275
Available-for-sale Securities, Fair Value, Total | 56,034 | 44,522
Available-for-sale Securities, Gross Unrealized Gain | 54 | 0
Available-for-sale Securities, Gross Unrealized Losses | 3,143 | 4,557
Available-for-sale Securities, Amortized Cost Basis | 59,123 | 49,079
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value | 0 | 0
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 0 | 0
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 7,954 | 8,306
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 154,755 | 154,052
Available-for-sale Securities, Fair Value, Total | 162,709 | 162,358
Available-for-sale Securities, Gross Unrealized Gain | 1,138 | 976
Available-for-sale Securities, Gross Unrealized Losses | 3,016 | 4,733
Available-for-sale Securities, Amortized Cost Basis | 164,587 | 166,115
US States and Political Subdivisions Debt Securities [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value | 0 | 0
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 679 | 1,735
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 20,402 | 21,366
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 40,165 | 41,238
Available-for-sale Securities, Fair Value, Total | 61,246 | 64,339
Available-for-sale Securities, Gross Unrealized Gain | 2,236 | 1,560
Available-for-sale Securities, Gross Unrealized Losses | 111 | 459
Available-for-sale Securities, Amortized Cost Basis | 59,121 | 63,238
Security Maturities, Total [Member] |  |
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value | 0 | 0
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 679 | 1,735
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 62,276 | 52,919
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 217,034 | 216,565
Available-for-sale Securities, Fair Value, Total | 279,989 | 271,219
Available-for-sale Securities, Gross Unrealized Gain | 3,428 | 2,536
Available-for-sale Securities, Gross Unrealized Losses | 6,270 | 9,749
Available-for-sale Securities, Amortized Cost Basis | $ 282,831 | $ 278,432

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