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Note 17 - Changes in Accumulated Other Comprehensive Income (Loss) by Component - Changes to Accumulated Other Comprehensive Income (Loss) by Component (Details) - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2022 | Jun. 30, 2021
Balance | $ (1,053) |  | $ (5,495) |
Other comprehensive gain before reclassifications | 4,443 |  | (21) |
Amounts reclassified from accumulated other comprehensive income (loss): (1) | 1,247 | [1] | 1,445 | [2]
Balance | 4,637 |  | (4,071) |
Actuarial gains | (110) |  | (156) |
Tax expense | 28 |  | 41 |
Reclassification net of tax | (82) |  | (115) |
Realized losses on interest rate swaps reclassified to interest expense | 1,796 |  | 2,108 |
Tax benefit | (467) |  | (548) |
Reclassification net of tax | 1,329 |  | 1,560 |
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] |  |  |  |
Balance | (3,524) |  | (7,608) |
Other comprehensive gain before reclassifications | 4,443 |  |  |
Amounts reclassified from accumulated other comprehensive income (loss): (1) | 1,329 | [1] | 1,560 | [2]
Balance | 2,248 |  | (6,069) |
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] |  |  |  |
Balance | 2,471 |  | 2,113 |
Other comprehensive gain before reclassifications | 0 |  |  |
Amounts reclassified from accumulated other comprehensive income (loss): (1) | (82) | [1] | (115) | [2]
Balance | $ 2,389 |  | $ 1,998 |
[1] | Amounts reclassified from accumulated other comprehensive income (loss): Amortization of Other Postretirement Benefit items: Actuarial gains $ (110 ) Tax expense 28 Reclassification net of tax $ (82 ) Realized losses on interest rate swaps reclassified to interest expense $ 1,796 Tax benefit (467 ) Reclassification net of tax $ 1,329
[2] | Amounts reclassified from accumulated other comprehensive income (loss): Amortization of Other Postretirement Benefit items: Actuarial gains $ (156 ) Tax expense 41 Reclassification net of tax $ (115 ) Realized losses on interest rate swaps reclassified to interest expense $ 2,108 Tax benefit (548 ) Reclassification net of tax $ 1,560

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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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(30)(a)(4)) -URI https://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e637-108580 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(23)(a)(3)) -URI https://asc.fasb.org/extlink&oid=126734703&loc=d3e572229-122910 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669686-108580 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 65 -Paragraph 2 -Subparagraph (h)(2) -URI https://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 40 -Section 65 -Paragraph 2 -Subparagraph (g)(2)(ii) -URI https://asc.fasb.org/extlink&oid=124501264&loc=SL117420844-207641 Reference 7: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14 -URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e681-108580 + Details
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- Definition Amount, before tax, of reclassification adjustment from accumulated other comprehensive (income) loss for net period benefit cost (credit) of defined benefit plan. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 11 -URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e637-108580 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 15 -URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e689-108580 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 17A -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL34724391-108580 + Details
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