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Supplemental Comprehensive Income Disclosures (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2019 | Mar. 31, 2018
Supplemental Comprehensive Income Disclosures [Abstract] |  |
Unrealized holding gains on securities arising during the period | $ 9,030 | $ (3,982)
Reclassification adjustment for gains on securities included in net income | 0 | (2,840)
Total unrealized gains on securities | 9,030 | (6,822)
Unrealized holding gains (losses) on derivatives arising during the period | 133 | (130)
Unrealized holding gains on securities arising during the period | (1,896) | 837
Reclassification adjustment for gains on derivatives included in net income, before Tax | 0 | 0
Total unrealized gain on derivatives | 133 | (130)
Reclassification adjustment for gains on securities included in net income | 0 | 596
Total other comprehensive (loss) income | 9,163 | (6,952)
Other Comprehensive Income (Loss), Securities, Available-for-sale, Tax | (1,896) | 1,433
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax | (28) | 27
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Tax | 0 | 0
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax, Total | (28) | 27
Other Comprehensive Income (Loss), Tax | (1,924) | 1,460
Other comprehensive income (loss) before reclassification adjustment | 7,134 | (3,145)
Total unrealized (losses) gains on securities | 7,134 | (5,389)
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax | 105 | (103)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, Net of Tax | 0 | 0
Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax, Total | 105 | (103)
Total other comprehensive (loss) income | 7,239 | (5,492)
Reclassification adjustment for gains on securities included in net income | $ 0 | $ 2,244

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