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CAPITAL RATIOS AND SHAREHOLDERS' EQUITY - Components of OCI (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Net unrealized gain (loss) arising during the period |  |  |  |
Net of Tax | $ (4,341) | $ 282 | $ (14,154) | $ 2,903
Less: reclassification adjustment for gains (losses) realized in net income |  |  |  |
Net of Tax | 0 | 12 | 0 | 12
Other comprehensive income (loss) |  |  |  |
Before Tax | (5,551) | 433 | (18,419) | 4,359
Tax Effect | 1,210 | (163) | 4,265 | (1,468)
Total other comprehensive (loss) income | (4,341) | 270 | (14,154) | 2,891
Net unrealized gain (loss) on AFS securities |  |  |  |
Net unrealized gain (loss) arising during the period |  |  |  |
Before Tax | (5,850) | 531 | (19,639) | 5,138
Tax Effect | 1,291 | (199) | 4,565 | (1,846)
Net of Tax | (4,559) | 332 | (15,074) | 3,292
Less: reclassification adjustment for gains (losses) realized in net income |  |  |  |
Before Tax | 0 | 19 | 0 | 19
Tax Effect | 0 | (7) | 0 | (7)
Net of Tax | 0 | 12 | 0 | 12
Other comprehensive income (loss) |  |  |  |
Before Tax | (5,850) | 512 | (19,639) | 5,119
Tax Effect | 1,291 | (192) | 4,565 | (1,839)
Total other comprehensive (loss) income | (4,559) | 320 | (15,074) | 3,280
Net unrealized loss on effective cash flow hedging derivatives |  |  |  |
Net unrealized gain (loss) arising during the period |  |  |  |
Before Tax | 299 | (84) | 1,179 | (805)
Tax Effect | (81) | 31 | (290) | 373
Net of Tax | 218 | (53) | 889 | (432)
Less: reclassification adjustment for gains (losses) realized in net income |  |  |  |
Before Tax | 0 | 0 | 0 | 0
Tax Effect | 0 | 0 | 0 | 0
Net of Tax | 0 | 0 | 0 | 0
Other comprehensive income (loss) |  |  |  |
Before Tax | 299 | (84) | 1,179 | (805)
Tax Effect | (81) | 31 | (290) | 373
Total other comprehensive (loss) income | 218 | (53) | 889 | (432)
Net unrealized loss on post-retirement plans |  |  |  |
Net unrealized gain (loss) arising during the period |  |  |  |
Before Tax | 0 | 5 | 41 | 45
Tax Effect | 0 | (2) | (10) | (2)
Net of Tax | 0 | 3 | 31 | 43
Less: reclassification adjustment for gains (losses) realized in net income |  |  |  |
Before Tax | 0 | 0 | 0 | 0
Tax Effect | 0 | 0 | 0 | 0
Net of Tax | 0 | 0 | 0 | 0
Other comprehensive income (loss) |  |  |  |
Before Tax | 0 | 5 | 41 | 45
Tax Effect | 0 | (2) | (10) | (2)
Total other comprehensive (loss) income | $ 0 | $ 3 | $ 31 | $ 43

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