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Note 6 - Revenue - Contract Balances (Details) - USD ($)
$ in Thousands
Mar. 31, 2023
Dec. 31, 2022
Trade receivable, net $ 434,587 $ 428,925
Deferred revenue (included within other liabilities) 63,598 51,192
Billed Revenues [Member]    
Trade receivable, net 297,811 289,235
Unbilled Revenues [Member]    
Trade receivable, net $ 136,776 $ 139,690