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Revenue - Summary of Total Receivables, Net (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]    
Billed receivables $ 152,027 $ 162,479
Allowance for doubtful accounts (2,980) (2,861)
Billed receivables, net 149,047 159,618
Current accrued receivables, net 161,731 160,787
Long-term accrued receivables, net 276,731 276,164
Total accrued receivables, net 438,462 436,951
Total receivables, net $ 587,509 $ 596,569