Note 11 - Stock-based and Deferred Compensation (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
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Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
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Stock-based compensation expense | $ 4,070 | $ 3,223 | $ 10,045 | $ 8,590 | ||
Non-vested Shares [Member] | ||||||
Non-vested shares granted (in shares) | 0 | 0 | 264,862 | 221,552 | ||
Performance Shares [Member] | ||||||
Non-vested shares granted (in shares) | 0 | 0 | 40,004 | 46,593 | ||
Performance-based shares issued in excess of target shares granted (1) (in shares) | [1] | 0 | 0 | 37,146 | 37,425 | |
Restricted Stock [Member] | ||||||
Restricted stock awards vested (includes performance-based awards) (in shares) | 0 | 0 | 392,160 | 434,729 | ||
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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Number of shares issued under share-based payment arrangement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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