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Note 13 - Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands |  |  | 3 Months Ended | 4 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 03, 2021 | Aug. 09, 2021 | Jun. 30, 2021 | Mar. 31, 2021 | Mar. 31, 2020 | Apr. 30, 2021 | Sep. 30, 2021 | Sep. 30, 2020 | Aug. 05, 2021 | Jan. 25, 2021 | Mar. 26, 2020 | Feb. 10, 2020
Stock Repurchase Program, Authorized Amount |  |  |  |  |  |  |  |  | $ 40,000 | $ 40,000 |  | $ 20,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount |  |  |  |  |  |  |  | $ 38,000 |  |  | $ 2,500 |
Treasury Stock, Shares, Acquired (in shares) |  |  |  |  |  | 500,000 | 600,000 | 1,400,000 |  |  |  |
Treasury Stock, Value, Acquired, Cost Method |  |  | $ 249 | $ 8,118 | $ 17,515 | $ 8,400 | $ 10,300 | $ 17,500 |  |  |  |
Dutch Tender Offer [Member] |  |  |  |  |  |  |  |  |  |  |  |
Treasury Stock, Shares, Acquired (in shares) | 86,132 |  |  |  |  |  |  |  |  |  |  |
Treasury Stock, Value, Acquired, Cost Method | $ 2,000 |  |  |  |  |  |  |  |  |  |  |
Treasury Stock Acquired, Average Cost Per Share (in dollars per share) | $ 23.00 |  |  |  |  |  |  |  |  |  |  |
Maximum [Member] | Dutch Tender Offer [Member] |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  | $ 40,000 |  |  |  |  |  |  |  |  |  |
Stock Repurchase Program, Share Price (in dollars per share) |  | $ 23.00 |  |  |  |  |  |  |  |  |  |
Minimum [Member] | Dutch Tender Offer [Member] |  |  |  |  |  |  |  |  |  |  |  |
Stock Repurchase Program, Share Price (in dollars per share) |  | $ 21.00 |  |  |  |  |  |  |  |  |  |

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- Definition Represents the share price to be paid for the shares will be acquired pusruant to the stock repurchase program. + References No definition available. + Details
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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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- Definition Total cost of shares repurchased divided by the total number of shares repurchased. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 + Details
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