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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, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Expense | $ 1,008 | $ 1,035 | $ 1,950 | $ 2,187
Deferred tax benefit | (213) | (217) | (410) | (460)
Total net expense | 795 | 818 | 1,540 | 1,727
Stock Appreciation Rights (SARs) [Member] |  |  |  |
Expense | 72 | 105 | 140 | 205
Deferred tax benefit | (16) | (22) | (30) | (43)
Total net expense | 56 | 83 | 110 | 162
Restricted Stock [Member] |  |  |  |
Expense | 418 | 394 | 838 | 806
Deferred tax benefit | (88) | (82) | (176) | (169)
Total net expense | 330 | 312 | 662 | 637
Restricted Stock Units (RSUs) [Member] |  |  |  |
Expense | 125 | 133 | 249 | 265
Deferred tax benefit | (26) | (28) | (52) | (56)
Total net expense | 99 | 105 | 197 | 209
Performance Shares [Member] |  |  |  |
Expense | 393 | 403 | 723 | 911
Deferred tax benefit | (83) | (85) | (152) | (192)
Total net expense | $ 310 | $ 318 | $ 571 | $ 719

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