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CAPITAL RATIOS AND SHAREHOLDERS' EQUITY - Components of OCI (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Net unrealized gain (loss) arising during the period |  |  |  |
Net of Tax | $ (2,184) | $ 1,957 | $ (9,813) | $ 2,621
Less: reclassification adjustment for gains (losses) realized in net income |  |  |  |
Net of Tax | 0 | 0 | 0 | 0
Other comprehensive income (loss) |  |  |  |
Before Tax | (2,861) | 2,989 | (12,868) | 3,939
Tax Effect | 677 | (1,032) | 3,055 | (1,318)
Total other comprehensive (loss) income | (2,184) | 1,957 | (9,813) | 2,621
Net unrealized gain (loss) on AFS securities |  |  |  |
Net unrealized gain (loss) arising during the period |  |  |  |
Before Tax | (3,087) | 3,485 | (13,789) | 4,601
Tax Effect | 731 | (1,292) | 3,274 | (1,640)
Net of Tax | (2,356) | 2,193 | (10,515) | 2,961
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 | (3,087) | 3,485 | (13,789) | 4,601
Tax Effect | 731 | (1,292) | 3,274 | (1,640)
Total other comprehensive (loss) income | (2,356) | 2,193 | (10,515) | 2,961
Net unrealized loss on effective cash flow hedging derivatives |  |  |  |
Net unrealized gain (loss) arising during the period |  |  |  |
Before Tax | 226 | (481) | 880 | (704)
Tax Effect | (54) | 242 | (209) | 325
Net of Tax | 172 | (239) | 671 | (379)
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 | 226 | (481) | 880 | (704)
Tax Effect | (54) | 242 | (209) | 325
Total other comprehensive (loss) income | 172 | (239) | 671 | (379)
Net unrealized loss on post-retirement plans |  |  |  |
Net unrealized gain (loss) arising during the period |  |  |  |
Before Tax | 0 | (15) | 41 | 42
Tax Effect | 0 | 18 | (10) | (3)
Net of Tax | 0 | 3 | 31 | 39
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 | (15) | 41 | 42
Tax Effect | 0 | 18 | (10) | (3)
Total other comprehensive (loss) income | $ 0 | $ 3 | $ 31 | $ 39

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