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CAPITAL RATIOS AND SHAREHOLDERS' EQUITY - Components of OCI (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2018 | Mar. 31, 2017
Net unrealized holding (loss) |  |
Net of Tax | $ (14,231) | $ 1,695
Less: reclassification adjustment for gains (losses) realized in net income |  |
Net of Tax | 0 | 3,603
Other comprehensive (loss) |  |
Before Tax | (19,162) | (2,860)
Tax Effect | 4,931 | 952
Total other comprehensive loss | (14,231) | (1,908)
Less: reclassification related to adoption of ASU |  |
Net of Tax | 5,357 |
Realized gains on AFS securities: |  |
Net unrealized holding (loss) |  |
Before Tax | (19,162) | 3,137
Tax Effect | 4,931 | (1,173)
Net of Tax | (14,231) | 1,964
Less: reclassification adjustment for gains (losses) realized in net income |  |
Before Tax | 0 | 12,570
Tax Effect | 0 | (4,713)
Net of Tax | 0 | 7,857
Other comprehensive (loss) |  |
Before Tax | (19,162) | (9,433)
Tax Effect | 4,931 | 3,540
Total other comprehensive loss | (14,231) | (5,893)
Less: reclassification related to adoption of ASU |  |
Net of Tax | 4,959 |
Realized (losses) on cash flow hedging derivatives: |  |
Net unrealized holding (loss) |  |
Before Tax |  | (449)
Tax Effect |  | 180
Net of Tax | 0 | (269)
Less: reclassification adjustment for gains (losses) realized in net income |  |
Before Tax |  | (7,022)
Tax Effect |  | 2,768
Net of Tax | 0 | (4,254)
Other comprehensive (loss) |  |
Before Tax |  | 6,573
Tax Effect |  | (2,588)
Total other comprehensive loss | 0 | $ 3,985
Less: reclassification related to adoption of ASU |  |
Net of Tax | 0 |
ASU 2016-01 |  |
Less: reclassification related to adoption of ASU |  |
Before Tax | 8,379 |
Tax Effect | (2,126) |
Net of Tax | 6,253 |
ASU 2018-02 |  |
Less: reclassification related to adoption of ASU |  |
Before Tax | 0 |
Tax Effect | (896) |
Net of Tax | (896) |
Total change to accumulated other comprehensive (loss) |  |
Before Tax | (27,541) |
Tax Effect | 7,953 |
Net of Tax | $ (19,588) |

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