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Note 4 - Redeemable Noncontrolling Interest - Redeemable Noncontrolling Interest (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Redemption value adjustment $ (17,102) $ (1,247) $ 1,253
Redeemable Noncontrolling Interest [Member]      
Balance 66,207 61,227 61,004
Acquisition of noncontrolling interest in Captiva 0 0 3,165
Net income 5,574 (2,829) 75
Foreign currency translation (3,669) 6,562 (1,764)
Purchase of additional ownership interest (27,164) 0 0
Redemption value adjustment 17,102 1,247 (1,253)
Balance $ 58,050 $ 66,207 $ 61,227