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Note 19 - Stock-based Compensation - Stock-based Compensation Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Expense | $ 922 | $ 1,032 | $ 2,872 | $ 3,219
Deferred tax benefit | (194) | (216) | (604) | (676)
Total net expense | 728 | 816 | 2,268 | 2,543
Stock Appreciation Rights (SARs) [Member] |  |  |  |
Expense | 72 | 105 | 212 | 310
Deferred tax benefit | (15) | (22) | (45) | (65)
Total net expense | 57 | 83 | 167 | 245
Restricted Stock [Member] |  |  |  |
Expense | 420 | 399 | 1,258 | 1,204
Deferred tax benefit | (88) | (84) | (264) | (253)
Total net expense | 332 | 315 | 994 | 951
Restricted Stock Units (RSUs) [Member] |  |  |  |
Expense | 125 | 126 | 374 | 392
Deferred tax benefit | (27) | (26) | (79) | (82)
Total net expense | 98 | 100 | 295 | 310
Performance Shares [Member] |  |  |  |
Expense | 305 | 402 | 1,028 | 1,313
Deferred tax benefit | (64) | (84) | (216) | (276)
Total net expense | $ 241 | $ 318 | $ 812 | $ 1,037

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