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Supplemental Comprehensive Income Disclosures (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Supplemental Comprehensive Income Disclosures [Abstract] |  |  |  |
Unrealized holding gains on securities arising during the period | $ 1,690 | $ (751) | $ 5,935 | $ 13,121
Reclassification adjustment for gains on securities included in net income | (92) | 0 | (695) | (28)
Total unrealized gains on securities | 1,598 | (751) | 5,240 | 13,093
Unrealized holding (losses) gains on derivatives arising during the period | (49) | (1,056) | (631) | 1,038
Unrealized holding gains on securities arising during the period | (591) | 262 | (2,077) | (4,593)
Reclassification adjustment for gains on derivatives included in net income, before Tax | 20 | (16) | 93 | (57)
Total unrealized gain on derivatives | (29) | (1,072) | (538) | 981
Reclassification adjustment for gains on securities included in net income | 32 | 0 | 243 | 10
Total other comprehensive (loss) income | 1,569 | (1,823) | 4,702 | 14,074
Other Comprehensive Income (Loss), Available-for-sale Securities, Tax | (559) | 262 | (1,834) | (4,583)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax | 17 | 370 | 221 | (363)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax | (7) | 6 | (33) | 20
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax, Total | 10 | 376 | 188 | (343)
Other Comprehensive Income (Loss), Tax | (549) | 638 | (1,646) | (4,926)
Other comprehensive income (loss) before reclassification adjustment | 1,099 | (489) | 3,858 | 8,528
Total unrealized (losses) gains on securities | 1,039 | (489) | 3,406 | 8,510
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax | (32) | (686) | (410) | 675
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax | (13) | 10 | (60) | 37
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Total | (19) | (696) | (350) | 638
Total other comprehensive (loss) income | 1,020 | (1,185) | 3,056 | 9,148
Reclassification adjustment for gains on securities included in net income | $ 60 | $ 0 | $ 452 | $ 18

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