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Note 20 - Stock Repurchase Program (Details Textual) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended | 8 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2019 | Jun. 30, 2019 | Jun. 30, 2019 | Dec. 31, 2018 | May 07, 2019 | Oct. 26, 2018
Treasury Stock, Value, Acquired, Cost Method | $ 23,008 | $ 31,609 |  |  |  |
October 26, 2018 Stock Repurchase Program [Member] |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  |  | $ 45,000
Treasury Stock, Shares, Acquired |  | 268,660 | 1,182,060 | 913,400 |  |
Treasury Stock, Value, Acquired, Cost Method |  | $ 9,900 |  | $ 35,100 |  |
Treasury Stock Acquired, Average Cost Per Share |  | $ 36.83 | $ 38.07 | $ 38.43 |  |
May 2019 Repurchase Program [Member] |  |  |  |  |  |
Stock Repurchase Program, Authorized Amount |  |  |  |  | $ 50,000 |
Treasury Stock, Shares, Acquired | 606,934 |  |  |  |  |
Treasury Stock, Value, Acquired, Cost Method | $ 21,700 |  |  |  |  |
Treasury Stock Acquired, Average Cost Per Share | $ 35.78 |  |  |  |  |
Stock Repurchase Program, Remaining Authorized Repurchase Amount | $ 28,300 | $ 28,300 | $ 28,300 |  |  |

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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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- Definition Amount remaining of a 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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- Definition Number of shares that have been repurchased during the period and are being held in treasury. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: 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 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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