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Investment Securities (Details) - USD ($) $ in Thousands | Sep. 30, 2016 | Dec. 31, 2015
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Amortized cost and fair value of debt securities |  |  |
Maturity 1 Year or Less | [1] | $ 6,365 | $ 26,402
Maturity 1-5 Years | [1] | 163,934 | 175,147
Maturity 5-10 Years | [1] | 44,855 | 31,884
Maturity After 10 Years | [1] | 5,342 | 2,575
Total Amortized Cost |  | 220,496 | 236,008
Gross Unrealized Gains |  | 1,718 | 1,060
Gross Unrealized Losses |  | (390) | (2,014)
Fair value |  | 221,824 | 235,054
U.S. government and federal agency obligations |  |  |
Amortized cost and fair value of debt securities |  |  |
Maturity 1 Year or Less | [1] | 0 |
Maturity 1-5 Years | [1] | 0 |
Maturity 5-10 Years | [1] | 10,954 |
Maturity After 10 Years | [1] | 2,494 |
Total Amortized Cost |  | 13,448 |
Gross Unrealized Gains |  | 13 |
Gross Unrealized Losses |  | (121) |
Fair value |  | 13,340 |
Government sponsored enterprises |  |  |
Amortized cost and fair value of debt securities |  |  |
Maturity 1 Year or Less | [1] | 3,010 | 23,067
Maturity 1-5 Years | [1] | 30,595 | 50,538
Maturity 5-10 Years | [1] | 0 | 0
Maturity After 10 Years | [1] | 0 | 0
Total Amortized Cost |  | 33,605 | 73,605
Gross Unrealized Gains |  | 82 | 127
Gross Unrealized Losses |  | (10) | (235)
Fair value |  | 33,677 | 73,497
Obligations of states and political subdivisions |  |  |
Amortized cost and fair value of debt securities |  |  |
Maturity 1 Year or Less | [1] | 2,315 | 1,827
Maturity 1-5 Years | [1] | 16,672 | 16,975
Maturity 5-10 Years | [1] | 16,112 | 12,593
Maturity After 10 Years | [1] | 1,332 | 829
Total Amortized Cost |  | 36,431 | 32,224
Gross Unrealized Gains |  | 436 | 493
Gross Unrealized Losses |  | (100) | (11)
Fair value |  | 36,767 | 32,706
Mortgage-backed securities |  |  |
Amortized cost and fair value of debt securities |  |  |
Maturity 1 Year or Less | [1] | 1,040 | 1,508
Maturity 1-5 Years | [1] | 116,667 | 107,634
Maturity 5-10 Years | [1] | 17,789 | 19,291
Maturity After 10 Years | [1] | 1,516 | 1,746
Total Amortized Cost |  | 137,012 | 130,179
Gross Unrealized Gains |  | 1,187 | 440
Gross Unrealized Losses |  | (159) | (1,768)
Fair value |  | 138,040 | 128,851
Mortgage-backed securities | Residential - government agencies |  |  |
Amortized cost and fair value of debt securities |  |  |
Maturity 1 Year or Less | [1] | 1,040 | 1,508
Maturity 1-5 Years | [1] | 115,679 | 106,648
Maturity 5-10 Years | [1] | 17,789 | 19,291
Maturity After 10 Years | [1] | 1,516 | 1,746
Total Amortized Cost |  | 136,024 | 129,193
Gross Unrealized Gains |  | 1,159 | 432
Gross Unrealized Losses |  | (159) | (1,768)
Fair value |  | 137,024 | 127,857
Mortgage-backed securities | Commercial - government agencies |  |  |
Amortized cost and fair value of debt securities |  |  |
Maturity 1 Year or Less | [1] | 0 | 0
Maturity 1-5 Years | [1] | 988 | 986
Maturity 5-10 Years | [1] | 0 | 0
Maturity After 10 Years | [1] | 0 | 0
Total Amortized Cost |  | 988 | 986
Gross Unrealized Gains |  | 28 | 8
Gross Unrealized Losses |  | 0 | 0
Fair value |  | $ 1,016 | $ 994
[1] | Expected maturities may differ from contractual maturities because borrowers have the right to call or prepay obligations with or without prepayment penalties.

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