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Note 14 - Accumulated Other Comprehensive Income (Loss) - Amounts Reclassified Out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Mar. 31, 2019 | Jun. 30, 2018 | Mar. 31, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Tax (expense) benefit |  | $ (3,272) |  | $ (4,489) |  | $ (5,559) | $ (7,439)
Net of tax |  | 10,556 | $ 7,068 | 13,923 | $ 11,412 | 17,624 | 25,335
Other expense |  | 29,566 |  | 20,653 |  | 57,576 | 38,830
Other expense |  | 3,338 |  | 3,749 |  | 7,965 | 8,440
Total before tax |  | 13,828 |  | 18,412 |  | 23,183 | 32,774
Reclassification out of Accumulated Other Comprehensive Income [Member] |  |  |  |  |  |  |
Tax (expense) benefit |  | 3 |  | 40 |  | 6 | 78
Net of tax |  | (8) |  | (84) |  | (15) | (168)
Total before tax |  | (11) |  | (124) |  | (21) | (246)
Reclassification out of Accumulated Other Comprehensive Income [Member] | AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] |  |  |  |  |  |  |
Net loss on sale of securities |  | (15) |  |  |  | (15) |
Tax (expense) benefit |  | 5 |  |  |  | 5 |
Net of tax |  | (10) |  |  |  | (10) |
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] | Interest Rate Swap [Member] |  |  |  |  |  |  |
Tax (expense) benefit |  | (200) |  | 86 |  | (262) | 110
Net of tax |  | 447 |  | (187) |  | 586 | (241)
Other expense |  | 647 |  | (273) |  | 848 | (351)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member] |  |  |  |  |  |  |
Other expense | [1] | (31) |  | (133) |  | (63) | (265)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment, Net Prior Service Attributable to Parent [Member] |  |  |  |  |  |  |
Other expense | [1] | $ 20 |  | $ 9 |  | $ 42 | $ 19
[1] | These accumulated other comprehensive loss components are included in the computation of net periodic pension cost (See Note 9 of the Notes to Consolidated Financial Statements "Pension and Other Postretirement Benefit Plans".)

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- Definition This item represents the net total realized and unrealized gain (loss) included in earnings for the period as a result of selling or holding marketable securities categorized as trading, available-for-sale, or held-to-maturity, including the unrealized holding gain (loss) of held-to-maturity securities transferred to the trading security category and the cumulative unrealized gain (loss) which was included in other comprehensive income (a separate component of shareholders' equity) for available-for-sale securities transferred to trading securities during the period. Additionally, this item would include any gains (losses) realized during the period from the sale of investments accounted for under the cost method of accounting. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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