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Note 19 - Cash and Cash Equivalents and Other Investments - Components of Cash and Cash Equivalents and Other Investments (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Cash and cash equivalents      
Cash at banks $ 149,424 $ 167,455  
Liquidity funds 422,859 105,697  
Short-term investments 519,244 44,975  
Total cash and cash equivalents 1,091,527 318,127 $ 584,681
Other investments - current      
Fixed income (time-deposit, zero coupon bonds, commercial papers) 196,152 239,742  
Bonds and other fixed income 211,953 158,107  
Fund investments 30,343  
Other investments 438,448 397,849  
Other investments - non-current      
Bonds and other fixed income 113,574 312,619  
Others 6,328 7,635  
Other investments $ 119,902 $ 320,254