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Note 5 - Business Segment Reporting - Capital Expenditures by Operating Segments (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Capital expenditures $ 81,904 $ 81,511 $ 112,387
NLA [Member]      
Capital expenditures 18,435 6,426  
ESSA [Member]      
Capital expenditures 17,574 11,151  
MENA [Member]      
Capital expenditures 27,354 14,553  
APAC [Member]      
Capital expenditures 13,457 19,958  
Central [Member]      
Capital expenditures $ 5,084 $ 29,423