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Security Types (Details) - USD ($) $ in Thousands | Jun. 30, 2015 | Dec. 31, 2014
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Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value | $ 5,007 | $ 0
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 29,082 | 31,449
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 43,331 | 44,912
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 175,486 | 191,242
Available-for-sale Securities, Fair Value, Total | 252,906 | 267,603
Available-for-sale Securities, Gross Unrealized Gain | 4,190 | 5,351
Available-for-sale Securities, Gross Unrealized Losses | 2,154 | 1,480
Available-for-sale Securities, Amortized Cost Basis | 250,870 | 263,732
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 | 5,007 | 0
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 26,033 | 30,947
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 14,870 | 14,869
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 14,309 | 14,433
Available-for-sale Securities, Fair Value, Total | 60,219 | 60,249
Available-for-sale Securities, Gross Unrealized Gain | 509 | 375
Available-for-sale Securities, Gross Unrealized Losses | 869 | 830
Available-for-sale Securities, Amortized Cost Basis | 60,579 | 60,704
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 | 1,994 | 0
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 15,340 | 14,523
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 104,779 | 120,520
Available-for-sale Securities, Fair Value, Total | 122,113 | 135,043
Available-for-sale Securities, Gross Unrealized Gain | 1,156 | 1,597
Available-for-sale Securities, Gross Unrealized Losses | 995 | 616
Available-for-sale Securities, Amortized Cost Basis | 121,952 | 134,062
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 | 1,055 | 502
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 13,121 | 15,520
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 56,398 | 56,289
Available-for-sale Securities, Fair Value, Total | 70,574 | 72,311
Available-for-sale Securities, Gross Unrealized Gain | 2,525 | 3,379
Available-for-sale Securities, Gross Unrealized Losses | 290 | 34
Available-for-sale Securities, Amortized Cost Basis | $ 68,339 | $ 68,966

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