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Note 9 - Equity (Details) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  | 3 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 15, 2022 USD ($) $ / shares | Dec. 08, 2022 $ / shares | Sep. 15, 2022 USD ($) $ / shares | Jun. 15, 2022 USD ($) $ / shares | Mar. 15, 2022 $ / shares | Feb. 18, 2022 USD ($) | Aug. 31, 2016 $ / shares shares | Sep. 30, 2022 USD ($) shares | Dec. 31, 2022 USD ($) employee $ / shares shares | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2020 USD ($) $ / shares shares | Mar. 01, 2023 USD ($)
EQUITY |  |  |  |  |  |  |  |  |  |  |  |
Authorized (in shares) | shares |  |  |  |  |  |  |  |  | 10,900,000 |  |  |
Shares available for grant | shares |  |  |  |  |  |  |  |  | 5,400,000 |  |  |
Additional shares authorized | shares |  |  |  |  |  |  |  |  | 4,000,000.0 |  |  |
Compensation costs | $ |  |  |  |  |  |  |  |  | $ 8,200 | $ 5,300 | $ 4,100 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Options granted | shares |  |  |  |  |  |  | 937,424 |  |  |  |  |
Option exercise price (per share) | $ / shares |  |  |  |  |  |  | $ 5.34 |  |  |  |  |
Number of Executives |  |  |  |  |  |  | 2 |  |  |  |  |
Options outstanding, intrinsic value | $ |  |  |  |  |  |  |  |  | $ 3,200 |  |  |
Shares delivered per unit awarded | shares |  |  |  |  |  |  |  |  | 1 |  |  |
Common stock, shares authorized (in shares) | shares |  |  |  |  |  |  |  |  | 260,000,000 | 260,000,000 |  |
Common stock, par value (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 0.01 | $ 0.01 |  |
Preferred stock, shares authorized (in shares) | shares |  |  |  |  |  |  |  |  | 50,000,000 | 50,000,000 |  |
Preferred stock, par value (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 0.01 | $ 0.01 |  |
Fair value of awards | $ |  |  |  |  |  |  |  |  | $ 11,000 | $ 5,100 | 1,500 |
Quarterly Dividend | $ | $ 5,000 |  | $ 5,000 | $ 5,000 |  | $ 5,000 |  |  |  |  |  |
Payment of dividends | $ |  |  |  |  |  |  |  |  |  | 20,000 |  |
Cash dividends declared | $ |  |  |  |  |  |  |  |  | 23,100 |  |  |
Dividends paid | $ / shares | $ 0.11 |  | $ 0.11 | $ 0.11 | $ 0.11 |  |  |  |  |  |  |
Quarterly cash dividend declared per share | $ / shares |  | $ 0.1250 |  |  |  |  |  |  |  |  |  |
Dividend payable | $ |  |  |  |  |  |  |  |  | 5,524 | 2,501 |  | $ 5,500
Options |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |
Compensation costs | $ |  |  |  |  |  |  |  |  | $ 0 | $ 0 | $ 0 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Options exercised | shares |  |  |  |  |  |  |  | 20,000 |  |  |  |
Balance options | shares |  |  |  |  |  |  |  | 917,424 |  |  |  |
Options exercised, intrinsic value | $ |  |  |  |  |  |  |  | $ 124 |  |  |  |
Expiration period |  |  |  |  |  |  | 10 years |  |  |  |  |
Restricted Stock |  |  |  |  |  |  |  |  |  |  |  |
EQUITY |  |  |  |  |  |  |  |  |  |  |  |
Shares available for grant | shares |  |  |  |  |  |  |  |  |  |  | 22,000 |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Number of Executives | employee |  |  |  |  |  |  |  |  | 14 |  |  |
Vesting period |  |  |  |  |  |  |  |  | 6 months |  |  |
Outstanding, Weighted average grant date fair value (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 4.04 | $ 3.98 | $ 4.28 |
Outstanding, shares (in shares) | shares |  |  |  |  |  |  |  |  | 3,145,957 | 3,741,770 | 2,845,525 |
Granted | shares |  |  |  |  |  |  |  |  | 214,363 | 1,592,659 |  |
Fair value of awards | $ |  |  |  |  |  |  |  |  | $ 10,300 |  |  |
Outstanding, fair value | $ |  |  |  |  |  |  |  |  | 27,700 |  |  |
Incremental compensation costs associated with modifications | $ |  |  |  |  |  |  |  |  | $ 800 |  |  |
Restricted Stock | Executives and Employees |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Outstanding, Weighted average grant date fair value (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 14.59 |  |  |
Unrecognized compensation cost | $ |  |  |  |  |  |  |  |  | $ 5,000 |  |  |
Weighted-average period for recognition |  |  |  |  |  |  |  |  | 9 months 18 days |  |  |
Outstanding, shares (in shares) | shares |  |  |  |  |  |  |  |  |  |  | 1,400,000 |
Restricted Stock | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  | 1 year |  |  |
Restricted Stock | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  | 3 years 6 months |  |  |
Restricted Stock Units |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  | 3 years |  |  |
Outstanding, Weighted average grant date fair value (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 15.65 |  |  |
Unrecognized compensation cost | $ |  |  |  |  |  |  |  |  | $ 2,700 |  |  |
Weighted-average period for recognition |  |  |  |  |  |  |  |  | 2 years |  |  |
Outstanding, shares (in shares) | shares |  |  |  |  |  |  |  |  | 165,803 |  |  |
Granted | shares |  |  |  |  |  |  |  |  | 248,706 |  |  |
Delivery Period |  |  |  |  |  |  |  |  | 30 days |  |  |
Fair value of awards | $ |  |  |  |  |  |  |  |  | $ 700 |  |  |
Outstanding, fair value | $ |  |  |  |  |  |  |  |  | $ 1,500 |  |  |
Performance Stock Units |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Vesting period |  |  |  |  |  |  |  |  | 3 years |  |  |
Outstanding, Weighted average grant date fair value (in dollars per share) | $ / shares |  |  |  |  |  |  |  |  | $ 22.21 |  |  |
Unrecognized compensation cost | $ |  |  |  |  |  |  |  |  | $ 3,800 |  |  |
Weighted-average period for recognition |  |  |  |  |  |  |  |  | 2 years |  |  |
Intrinsic value of the outstanding | $ |  |  |  |  |  |  |  |  | $ 2,200 |  |  |
Outstanding, shares (in shares) | shares |  |  |  |  |  |  |  |  | 248,706 |  |  |
Granted | shares |  |  |  |  |  |  |  |  | 248,706 |  |  |
Delivery Period |  |  |  |  |  |  |  |  | 30 days |  |  |
Shares delivered per unit awarded | shares |  |  |  |  |  |  |  |  | 1 |  |  |
Performance Stock Units | Minimum |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Potential earnings (as a percentage) |  |  |  |  |  |  |  |  | 0.00% |  |  |
Performance Stock Units | Maximum |  |  |  |  |  |  |  |  |  |  |  |
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Additional Disclosures [Abstract] |  |  |  |  |  |  |  |  |  |  |  |
Potential earnings (as a percentage) |  |  |  |  |  |  |  |  | 200.00% |  |  |

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- Definition The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares. + 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 (d)(2) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Gross number of share options (or share units) granted during the period. + 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 (c)(1)(iv)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Number of options outstanding, including both vested and non-vested options. + 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 (c)(1)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition An excess of the fair value of the modified award over the fair value of the award immediately before the modification. + 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)(2)(iii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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