Revenues - Net Estimates At Completion Adjustments (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Change in Accounting Estimate [Line Items]
Net EAC Adjustments, before income taxes	$ (58,664)	$ (4,958)	$ (77,412)	$ (7,579)
Net EAC Adjustments, net of income taxes	$ (56,844)	$ (3,175)	$ (75,669)	$ (5,612)
Net EAC Adjustments, net of income taxes, per diluted share (usd per share)	$ (0.45)	$ (0.03)	$ (0.59)	$ (0.05)
Contracts Accounted for under Percentage of Completion
Change in Accounting Estimate [Line Items]
Net EAC Adjustments, before income taxes	$ (654)	$ 758	$ (634)	$ 982
Net EAC Adjustments, net of income taxes	$ (517)	$ 599	$ (501)	$ 776
Net EAC Adjustments, net of income taxes, per diluted share (usd per share)	$ 0	$ 0.01	$ 0	$ 0.01