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Revenues - Contract Asset and Liabilities (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Revenue Recognition [Abstract]    
Short-term unbilled receivables, net $ 17,348 $ 17,208
Long-term unbilled receivables, net 16,316 18,084
Total contract assets 33,664 35,292
Short-term deferred revenues, net 127,998 112,196
Long-term deferred revenues 24,037 20,194
Total contract liabilities $ 152,035 $ 132,390