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Securities (Unrealized Losses Held-to-Maturity) (Details) - USD ($) $ in Thousands | Mar. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Fair Value |  |
Less than 12 months | $ 9,497 | $ 22,134
12 months or longer | 5,056 | 0
Total | 14,553 | 22,134
Unrealized Losses |  |
Less than 12 months | 95 | 179
12 months or longer | 46 | 0
Total | 141 | 179
U.S. Government agency obligations - government-sponsored enterprises |  |
Fair Value |  |
Less than 12 months | 1,000 | 1,000
12 months or longer | 0 | 0
Total | 1,000 | 1,000
Unrealized Losses |  |
Less than 12 months | 3 | 5
12 months or longer | 0 | 0
Total | 3 | 5
Municipal obligations |  |
Fair Value |  |
Less than 12 months | 2,615 | 9,472
12 months or longer | 0 | 0
Total | 2,615 | 9,472
Unrealized Losses |  |
Less than 12 months | 37 | 78
12 months or longer | 0 | 0
Total | 37 | 78
Collateralized mortgage obligations - government issued |  |
Fair Value |  |
Less than 12 months | 3,537 | 6,980
12 months or longer | 852 | 0
Total | 4,389 | 6,980
Unrealized Losses |  |
Less than 12 months | 20 | 38
12 months or longer | 14 | 0
Total | 34 | 38
Collateralized mortgage obligations - government-sponsored enterprises |  |
Fair Value |  |
Less than 12 months | 2,345 | 4,682
12 months or longer | 4,204 | 0
Total | 6,549 | 4,682
Unrealized Losses |  |
Less than 12 months | 35 | 58
12 months or longer | 32 | 0
Total | $ 67 | $ 58

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