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Accounts Receivable (Tables)
12 Months Ended
Dec. 31, 2022
Accounts Receivable.  
Schedule of components of accounts receivables

December 31, 

    

2022

    

2021

(in thousands)

  

  

Trade receivables:

 

  

 

  

Billed

$

315,332

$

181,500

Unbilled

 

103,498

 

70,353

Other receivables

 

4,816

 

13,547

Total

 

423,646

 

265,400

Less: allowance for credit losses

 

(7,078)

 

(6,765)

Accounts receivable, net

$

416,568

$

258,635