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Comprehensive Income/Loss (Comprehensive Income/(Loss) Presented Net of Taxes) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016 | Dec. 31, 2016 | Dec. 31, 2009
Equity [Abstract] |  |  |  |  |  |
Deferred Gain Loss On Cash Flow Hedge | $ 209 |  | $ 209 |  | $ 281 | $ 1,400
COMPREHENSIVE INCOME |  |  |  |  |  |
Change in fair value of securities available for sale, pre tax amount | 1,277 | $ 3,016 | 2,173 | $ 9,666 |  |
Change in fair value of securities available for sale, tax (expense) benefit | (485) | (1,161) | (849) | (3,747) |  |
Change in fair value of securities available for sale, after tax amount | 792 | 1,855 | 1,324 | 5,919 |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale and Write-down of Securities, before Tax | 1 | 2 | 2 | (27) |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale and Write-down of Securities, Tax | (1) | (1) | (1) | 11 |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale and Write-down of Securities, Net of Tax | 0 | 1 | 1 | (16) |  |
Change in fair value of securities available for sale, pre tax amount | 1,276 | 3,014 | 2,171 | 9,693 |  |
Change in fair value of securities available for sale, tax (expense) benefit | (484) | (1,160) | (848) | (3,758) |  |
Change in fair value of securities available for sale, after tax amount | 792 | 1,854 | 1,323 | 5,935 |  |
Change in fair value of cash flow hedges, pre tax amount | (399) | (882) | (341) | (1,338) |  |
Change in fair value of cash flow hedges, tax (expense) benefit | 162 | 360 | 138 | 548 |  |
Change in fair value of cash flow hedges, after tax amount | (237) | (522) | (203) | (790) |  |
Less: net cash flow hedge losses reclassified into interest on borrowings expense, pre tax amount | 80 | 640 | 173 | 1,301 |  |
Less: net cash flow hedge losses reclassified into earnings, tax (expense) benefit | 33 | 262 | 71 | 532 |  |
Less: net cash flow hedge losses reclassified into interest on borrowings expense, after tax | (47) | (378) | (102) | (769) |  |
Net change in fair value of cash flow hedges, pre tax amount | (319) | (242) | (168) | (37) |  |
Net change in fair value of cash flow hedges, tax (expense) benefit | 129 | 98 | 67 | 16 |  |
Net change in fair value of cash flow hedges | (190) | (144) | (101) | (21) |  |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax | (7) | (28) | (14) | (56) |  |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Tax | 3 | 11 | 6 | 22 |  |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax | (4) | (17) | (8) | (34) |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), before Tax | 69 | 61 | 139 | 122 |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Tax | (28) | (25) | (57) | (50) |  |
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax | 41 | 36 | 82 | 72 |  |
Amortization of certain costs included in net periodic retirement costs, pre tax amount | 69 | 69 | 138 | 138 |  |
Amortization of certain costs included in net periodic retirement costs, tax (expense) benefit | (28) | (27) | (56) | (55) |  |
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Net of Tax | 41 | 42 | 82 | 83 |  |
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax | 131 | 102 | 263 | 204 |  |
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax | (53) | (41) | (107) | (83) |  |
Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax | 78 | 61 | 156 | 121 |  |
Total other comprehensive income, pre tax amount | 1,088 | 2,874 | 2,266 | 9,860 |  |
Total other comprehensive income, tax (expense) benefit | (408) | (1,103) | (888) | (3,825) |  |
Total other comprehensive income, after tax amount | $ 680 | $ 1,771 | $ 1,378 | $ 6,035 |  |

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