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OTHER COMPREHENSIVE INCOME (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
OTHER COMPREHENSIVE INCOME (LOSS) |  |  |  |
Unrealized holding gains (losses) on available for sale securities | $ 517 | $ (3,173) | $ 4,728 | $ 9,292
Reclassification adjustment for gains realized in income | (260) | 0 | (260) | (449)
Income tax effect | (105) | 1,287 | (1,773) | (3,580)
Net change in unrealized gains (losses) on available for sale securities | 152 | (1,886) | 2,695 | 5,263
Reclassification adjustment for amortization realized in income | 112 | 95 | 339 | 288
Income tax effect | (45) | (38) | (109) | (112)
Net change in post-retirement obligation | 67 | 57 | 230 | 176
Change in fair value of derivatives used for cash flow hedges | 144 | 764 | (1,216) | (1,920)
Reclassification adjustment for losses realized in income | 369 | 236 | 1,103 | 725
Income tax effect | (210) | (405) | 43 | 486
Net change in unrealized gains (losses) on cash flow hedges | 303 | 595 | (70) | (709)
Other comprehensive income (loss) | $ 522 | $ (1,234) | $ 2,855 | $ 4,730

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- Definition Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities, attributable to parent entity. Excludes amounts related to other than temporary impairment (OTTI) loss. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569643-111683 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84161450&loc=SL4573702-111684 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 19 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4569616-111683 + Details
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