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Security Types (Details) - USD ($) $ in Thousands | Jun. 30, 2016 | Dec. 31, 2015
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Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value | $ 3,113 | $ 5,000
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 26,405 | 27,972
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 48,053 | 45,068
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 139,431 | 163,647
Available-for-sale Securities, Fair Value, Total | 217,002 | 241,687
Available For Sale Securities, Gross Unrealized Gains | 6,834 | 4,374
Available For Sale Securities, Gross Unrealized Losses | 0 | 1,305
Available-for-sale Securities, Amortized Cost Basis | 210,168 | 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 | 3,113 | 5,000
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 23,136 | 25,852
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 16,390 | 19,463
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 0 | 9,770
Available-for-sale Securities, Fair Value, Total | 42,639 | 60,085
Available For Sale Securities, Gross Unrealized Gains | 943 | 384
Available For Sale Securities, Gross Unrealized Losses | 0 | 518
Available-for-sale Securities, Amortized Cost Basis | 41,696 | 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 | 1,265 | 1,623
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 20,223 | 13,511
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 81,391 | 95,820
Available-for-sale Securities, Fair Value, Total | 102,879 | 110,954
Available For Sale Securities, Gross Unrealized Gains | 2,132 | 968
Available For Sale Securities, Gross Unrealized Losses | 0 | 780
Available-for-sale Securities, Amortized Cost Basis | 100,747 | 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 | 2,004 | 497
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 11,440 | 12,094
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 58,040 | 58,057
Available-for-sale Securities, Fair Value, Total | 71,484 | 70,648
Available For Sale Securities, Gross Unrealized Gains | 3,759 | 3,022
Available For Sale Securities, Gross Unrealized Losses | 0 | 7
Available-for-sale Securities, Amortized Cost Basis | $ 67,725 | $ 67,633

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