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Note 16 - Incentive Plans (Tables) | 3 Months Ended
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Mar. 31, 2024
Notes Tables |
Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] |
|  | Three Months Ended March 31, |
|  | 2024 |  |  | 2023 |
Restricted stock outstanding as of January 1, |  |  | 2,746,116 |  |  |  | 2,605,970 |
Granted (1) |  |  | 872,150 |  |  |  | 893,320 |
Vested |  |  | (679,546 | ) |  |  | (705,374 | )
Forfeited |  |  | (15,562 | ) |  |  | (2,168 | )
Restricted stock outstanding as of March 31, |  |  | 2,923,158 |  |  |  | 2,791,748 |
Share-Based Payment Arrangement, Performance Shares, Outstanding Activity [Table Text Block] |
| Three Months Ended March 31,
| 2024 |  | 2023
Performance share awards outstanding as of January 1, | 989,860 |  | 1,004,040
Granted (1) | 377,690 |  | 531,200
Vested (2) | (458,660) |  | (545,380)
Performance share awards outstanding as of March 31, | 908,890 |  | 989,860
Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] |
|  | Three Months Ended March 31, 2024 |
Expected volatility |  |  | 28.9% |
Dividend yield |  |  | - |
Risk-free interest rate |  |  | 4.4% |

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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- Definition Tabular disclosure of the number and weighted-average grant date fair value for outstanding performance shares. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Subparagraph (c) -Paragraph 2 -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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