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Note 19 - Stock-based Compensation - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Expense | $ 4,394 | $ 4,565 | $ 3,262
Deferred tax benefit | (924) | (960) | (686)
Total net expense | 3,470 | 3,605 | 2,576
Stock Appreciation Rights (SARs) [Member] |  |  |
Expense | 376 | 352 | 352
Deferred tax benefit | (79) | (74) | (74)
Total net expense | 297 | 278 | 278
Restricted Stock [Member] |  |  |
Expense | 1,373 | 1,288 | 1,346
Deferred tax benefit | (289) | (271) | (283)
Total net expense | 1,084 | 1,017 | 1,063
Restricted Stock Units (RSUs) [Member] |  |  |
Expense | 332 | 312 | 270
Deferred tax benefit | (70) | (66) | (57)
Total net expense | 262 | 246 | 213
Performance Shares [Member] |  |  |
Expense | 2,313 | 2,613 | 1,294
Deferred tax benefit | (486) | (549) | (272)
Total net expense | $ 1,827 | $ 2,064 | $ 1,022

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Amount of tax benefit for recognition of expense of award under share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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