Note 11 - Income Taxes (Details Textual) - USD ($) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2022 |
Dec. 31, 2019 |
|
| Undistributed Earnings of Foreign Subsidiaries | $ 46,200 | $ 67,400 | ||
| Unrecognized Tax Benefits, Ending Balance | 41,521 | $ 33,499 | 49,277 | $ 25,407 |
| Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 31,500 | 38,300 | ||
| Unrecognized Tax Benefits, Interest on Income Taxes Accrued | 3,300 | 4,300 | ||
| Domestic Tax Authority [Member] | ||||
| Operating Loss Carryforwards | 0 | |||
| Domestic Tax Authority [Member] | Research Tax Credit Carryforward [Member] | ||||
| Tax Credit Carryforward, Amount | 0 | |||
| State and Local Jurisdiction [Member] | ||||
| Operating Loss Carryforwards | 6,000 | |||
| State and Local Jurisdiction [Member] | Research Tax Credit Carryforward [Member] | ||||
| Tax Credit Carryforward, Amount | 36,700 | |||
| Foreign Tax Authority [Member] | ||||
| Operating Loss Carryforwards | $ 67,200 | |||
| Bermuda Subsidiary [Member] | ||||
| Foreign Earnings Repatriated | $ 70,000 | $ 30,000 | ||