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Contracts with Customers - Summary of Accounts Receivable, Net (Details) - USD ($)
$ in Thousands
Jun. 30, 2022
Dec. 31, 2021
Revenue From Contract With Customer [Abstract]    
Billed $ 502,704 $ 434,776
Unbilled 234,735 167,490
Total accounts receivable, gross 737,439 602,266
Allowance for doubtful accounts (3,952) (3,955)
Total accounts receivable, net $ 733,487 $ 598,311