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DERIVATIVES (OCI ROLLFORWARD) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
DERIVATIVES [ABSTRACT] |  |  |  |
Aggregate unrealized net gain/(loss) at beginning of year | $ (17,259) | $ (19,730) | $ (15,746) | $ (32,393)
Add: Net gain/(loss) from change in fair value of cash flow hedges | 8,429 | 5,420 | 14,374 | 25,290
Less: Net (gain)/loss reclassified to earnings from effective hedges | (2,981) | (3,487) | (10,439) | (10,694)
Aggregate unrealized net gain/(loss) at end of period | $ (11,811) | $ (17,797) | $ (11,811) | $ (17,797)

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- Definition Amount after tax of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669646-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=109978405&loc=d3e80720-113993 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=114867106&loc=d3e637-108580 + Details
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