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Note 19 - Stock-based Compensation - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Expense | $ 1,057 | $ 1,414 | $ 2,048 | $ 2,263
Deferred tax benefit | (222) | (297) | (431) | (476)
Total net expense | 835 | 1,117 | 1,617 | 1,787
Stock Appreciation Rights (SARs) [Member] |  |  |  |
Expense | 94 | 86 | 187 | 175
Deferred tax benefit | (19) | (18) | (39) | (37)
Total net expense | 75 | 68 | 148 | 138
Restricted Stock [Member] |  |  |  |
Expense | 350 | 337 | 682 | 666
Deferred tax benefit | (74) | (71) | (144) | (140)
Total net expense | 276 | 266 | 538 | 526
Restricted Stock Units (RSUs) [Member] |  |  |  |
Expense | 87 | 78 | 172 | 154
Deferred tax benefit | (18) | (16) | (36) | (32)
Total net expense | 69 | 62 | 136 | 122
Performance Shares [Member] |  |  |  |
Expense | 526 | 913 | 1,007 | 1,268
Deferred tax benefit | (111) | (192) | (212) | (267)
Total net expense | $ 415 | $ 721 | $ 795 | $ 1,001

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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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