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Securities (Unrealized Losses Held-to-Maturity) (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017
--- | --- | ---
Fair Value |  |
Fair Value Less than 12 months | $ 20,023 | $ 7,591
Fair Value 12 months or longer | 14,914 | 11,962
Total Fair Value | 34,937 | 19,553
Unrealized Loss Less than 12 months | 301 | 78
Unrealized Loss 12 months or longer | 539 | 181
Total Unrealized Loss | 840 | 259
U.S. government agency obligations - government-sponsored enterprises |  |
Fair Value |  |
Fair Value Less than 12 months | 0 | 0
Fair Value 12 months or longer | 1,497 | 1,499
Total Fair Value | 1,497 | 1,499
Unrealized Loss Less than 12 months | 0 | 0
Unrealized Loss 12 months or longer | 3 | 9
Total Unrealized Loss | 3 | 9
Municipal obligations |  |
Fair Value |  |
Fair Value Less than 12 months | 15,300 | 3,723
Fair Value 12 months or longer | 1,433 | 259
Total Fair Value | 16,733 | 3,982
Unrealized Loss Less than 12 months | 181 | 27
Unrealized Loss 12 months or longer | 48 | 7
Total Unrealized Loss | 229 | 34
Collateralized mortgage obligations - government issued |  |
Fair Value |  |
Fair Value Less than 12 months | 0 | 3,868
Fair Value 12 months or longer | 7,448 | 4,677
Total Fair Value | 7,448 | 8,545
Unrealized Loss Less than 12 months | 0 | 51
Unrealized Loss 12 months or longer | 301 | 79
Total Unrealized Loss | 301 | 130
Collateralized mortgage obligations - government-sponsored enterprises |  |
Fair Value |  |
Fair Value Less than 12 months | 4,723 | 0
Fair Value 12 months or longer | 4,536 | 5,527
Total Fair Value | 9,259 | 5,527
Unrealized Loss Less than 12 months | 120 | 0
Unrealized Loss 12 months or longer | 187 | 86
Total Unrealized Loss | $ 307 | $ 86

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