Revenues - Net Estimates At Completion Adjustments (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Change in Accounting Estimate [Line Items]
Net EAC Adjustments, before income taxes	$ 3,994	$ (15,858)	$ (39,059)	$ (93,270)
Net EAC Adjustments, net of income taxes	$ 3,999	$ (16,110)	$ (39,110)	$ (91,779)
Net EAC Adjustments, net of income taxes, per diluted share (in usd per share)	$ 0.03	$ (0.13)	$ (0.27)	$ (0.72)
Contracts Accounted for under Percentage of Completion
Change in Accounting Estimate [Line Items]
Net EAC Adjustments, before income taxes	$ (626)	$ 1,799	$ (2,257)	$ 1,165
Net EAC Adjustments, net of income taxes	$ (495)	$ 1,421	$ (1,783)	$ 920
Net EAC Adjustments, net of income taxes, per diluted share (in usd per share)	$ 0	$ 0.01	$ (0.01)	$ 0.01