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Security Types (Details) - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value | $ 5,001 | $ 5,000
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 29,532 | 27,972
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 52,855 | 45,068
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 146,720 | 163,647
Available-for-sale Securities, Fair Value, Total | 234,108 | 241,687
Available For Sale Securities, Gross Unrealized Gains | 5,625 | 4,374
Available For Sale Securities, Gross Unrealized Losses | 74 | 1,305
Available-for-sale Securities, Amortized Cost Basis | 228,557 | 238,618
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 | 5,001 | 5,000
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 26,208 | 25,852
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 19,670 | 19,463
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 5,001 | 9,770
Available-for-sale Securities, Fair Value, Total | 55,880 | 60,085
Available For Sale Securities, Gross Unrealized Gains | 826 | 384
Available For Sale Securities, Gross Unrealized Losses | 0 | 518
Available-for-sale Securities, Amortized Cost Basis | 55,054 | 60,219
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 | 1,450 | 1,623
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 21,408 | 13,511
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 84,806 | 95,820
Available-for-sale Securities, Fair Value, Total | 107,664 | 110,954
Available For Sale Securities, Gross Unrealized Gains | 1,644 | 968
Available For Sale Securities, Gross Unrealized Losses | 69 | 780
Available-for-sale Securities, Amortized Cost Basis | 106,089 | 110,766
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 | 1,874 | 497
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 11,777 | 12,094
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 56,913 | 58,057
Available-for-sale Securities, Fair Value, Total | 70,564 | 70,648
Available For Sale Securities, Gross Unrealized Gains | 3,155 | 3,022
Available For Sale Securities, Gross Unrealized Losses | 5 | 7
Available-for-sale Securities, Amortized Cost Basis | $ 67,414 | $ 67,633

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