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Security Types (Details) - USD ($) $ in Thousands | Sep. 30, 2015 | Dec. 31, 2014
--- | --- | ---
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 | 29,011 | 31,449
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 47,248 | 44,912
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 168,876 | 191,242
Available-for-sale Securities, Fair Value, Total | 250,142 | 267,603
Available-for-sale Securities, Gross Unrealized Gain | 5,120 | 5,351
Available-for-sale Securities, Gross Unrealized Losses | 805 | 1,480
Available-for-sale Securities, Amortized Cost Basis | 245,827 | 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 | 26,185 | 30,947
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 19,546 | 14,869
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 9,817 | 14,433
Available-for-sale Securities, Fair Value, Total | 60,555 | 60,249
Available-for-sale Securities, Gross Unrealized Gain | 720 | 375
Available-for-sale Securities, Gross Unrealized Losses | 408 | 830
Available-for-sale Securities, Amortized Cost Basis | 60,243 | 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 | 1,767 | 0
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 14,470 | 14,523
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 101,066 | 120,520
Available-for-sale Securities, Fair Value, Total | 117,303 | 135,043
Available-for-sale Securities, Gross Unrealized Gain | 1,539 | 1,597
Available-for-sale Securities, Gross Unrealized Losses | 301 | 616
Available-for-sale Securities, Amortized Cost Basis | 116,065 | 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 | 1,059 | 502
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 13,232 | 15,520
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 57,993 | 56,289
Available-for-sale Securities, Fair Value, Total | 72,284 | 72,311
Available-for-sale Securities, Gross Unrealized Gain | 2,861 | 3,379
Available-for-sale Securities, Gross Unrealized Losses | 96 | 34
Available-for-sale Securities, Amortized Cost Basis | $ 69,519 | $ 68,966

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