Receivables (Tables)
 12 Months Ended
Dec. 31, 2022
Receivables [Abstract]  
Schedule of Receivables
Receivables were comprised of the following:
December 31,
(In thousands)20222021
Billed receivables$227,718 $104,074 
Unbilled receivables (contract assets)487,758 239,979 
Other 13,106 4,552 
Total Receivables$728,582 $348,605