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Note 11 - Accumulated Other Comprehensive Income - Components of Accumulated Other Comprehensive Income (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Balance   $ 1,466,749   $ 1,466,749  
Other Comprehensive Income (Loss) $ (1,168)   $ 312 (723) $ 567
Balance 1,611,037     1,611,037  
AOCI Attributable to Parent [Member]          
Balance 1,232 787   787  
Balance 64 1,232   $ 64  
Accumulated Foreign Currency Adjustment Attributable to Parent [Member]          
Other Comprehensive Income (Loss) (567) $ 445      
Reclassification of Foreign Currency Translation [Member]          
Other Comprehensive Income (Loss) $ (601)