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Note 5 - Derivative Instruments and Hedging Activities - Movement in AOCI Balance (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018 | [2]
AOCI balance, Gains and losses on cash flow hedges |  | $ (1,069) |
Other comprehensive income (loss) before reclassifications, Gains and losses on cash flow hedges |  | 725 |
Amount reclassified from AOCI, Gains and losses on cash flow hedges |  | 79 |
Other comprehensive income (loss), Gains and losses on cash flow hedges |  | 804 |
AOCI balance, Gains and losses on cash flow hedges |  | (265) |
AOCI balance, Tax impact |  | 259 |
Other comprehensive income (loss) before reclassifications, Tax impact |  | (176) |
Amount reclassified from AOCI, Tax impact |  | (18) |
Other comprehensive income (loss), Tax impact |  | (194) |
AOCI balance, Tax impact |  | 65 |
AOCI balance | [1] | (810) |
Other comprehensive income (loss) before reclassifications |  | 549 | $ 17
Amount reclassified from AOCI |  | 61 |
Other comprehensive income (loss) |  | 610 |
AOCI balance |  | $ (200) |
[1] | The Company has initially applied ASC 2016-02 (Topic 842) using the modified retrospective method. Under this method, the comparative information is not restated.
[2] | The Company has initially applied ASC 2016-02 (Topic 842) using the modified retrospective method. Under this method, the comparative information is not restated.

X
- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, tax expense (benefit). Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References No definition available. + Details
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- Definition Amount before tax of increase (decrease) in accumulated equity from transactions and other events and circumstances from non-owner sources, including portion attributable to noncontrolling interest. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners (distributions to owners). + References No definition available. + Details
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- Definition Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge. + References Reference 1: 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=118930883&loc=d3e637-108580 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=118930883&loc=SL7669686-108580 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=118930883&loc=d3e681-108580 + Details
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