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Security Types (Details) - USD ($) $ in Thousands | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Schedule of Available-for-sale Securities [Line Items] |  |
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value | $ 14,437 | $ 0
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 23,547 | 31,817
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 32,963 | 45,009
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 168,854 | 180,871
Available-for-sale Securities, Fair Value, Total | 239,801 | 257,697
Available For Sale Securities, Gross Unrealized Gains | 608 | 2,025
Available For Sale Securities, Gross Unrealized Losses | 5,630 | 2,780
Available-for-sale Securities, Amortized Cost Basis | 244,823 | 258,452
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 | 14,437 | 0
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value | 19,865 | 29,253
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 16,869 | 23,809
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 0 | 0
Available-for-sale Securities, Fair Value, Total | 51,171 | 53,062
Available For Sale Securities, Gross Unrealized Gains | 25 | 79
Available For Sale Securities, Gross Unrealized Losses | 1,200 | 904
Available-for-sale Securities, Amortized Cost Basis | 52,346 | 53,887
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 | 8,368 | 11,201
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 110,230 | 121,871
Available-for-sale Securities, Fair Value, Total | 118,598 | 133,072
Available For Sale Securities, Gross Unrealized Gains | 65 | 330
Available For Sale Securities, Gross Unrealized Losses | 3,738 | 1,639
Available-for-sale Securities, Amortized Cost Basis | 122,271 | 134,381
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 | 3,682 | 2,564
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value | 7,726 | 9,999
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value | 58,624 | 59,000
Available-for-sale Securities, Fair Value, Total | 70,032 | 71,563
Available For Sale Securities, Gross Unrealized Gains | 518 | 1,616
Available For Sale Securities, Gross Unrealized Losses | 692 | 237
Available-for-sale Securities, Amortized Cost Basis | $ 70,206 | $ 70,184

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