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Note 16 - Components of Accumulated Other Comprehensive Income (Loss) - Components of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Balance | $ 200,607 | $ 183,726
Net pension gain (loss) arising during the period, net of tax | (3,244) | 1,478
Less amortization of prior service cost included in net periodic pension cost, net of tax | (9) | (87)
Balance | 191,751 | 200,607
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] |  |
Balance | 13,167 | 76
Unrealized holding gain (loss) on available for sale securities, net of tax | (10,308) | 13,176
Reclassification adjustment, net of tax | (5) | (85)
Net pension gain (loss) arising during the period, net of tax |  |
Balance | 2,854 | 13,167
Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] |  |
Balance | (10,147) | (8,582)
Net pension gain (loss) arising during the period, net of tax | 3,244 | (1,478)
Less amortization of prior service cost included in net periodic pension cost, net of tax | (9) | (87)
Balance | (6,912) | (10,147)
AOCI Attributable to Parent [Member] |  |
Balance | 3,020 | (8,506)
Unrealized holding gain (loss) on available for sale securities, net of tax | (10,308) | 13,176
Reclassification adjustment, net of tax | (5) | (85)
Net pension gain (loss) arising during the period, net of tax | 3,244 | (1,478)
Less amortization of prior service cost included in net periodic pension cost, net of tax | (9) | (87)
Balance | $ (4,058) | $ 3,020

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- Definition Amount after tax, before reclassification adjustments of other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=124431353&loc=SL124442411-227067 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 17 -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32136-110900 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 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 http://asc.fasb.org/extlink&oid=124509347&loc=SL7669686-108580 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 55 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=124507222&loc=d3e1436-108581 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=124431353&loc=SL124442407-227067 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
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