DSTAT Contract Close-out- Schedule of Accrual Activities for Contract Close-out Cost (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended	9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022	Sep. 30, 2023
Accrual Activities for Contract Close-out Cost
Beginning balance	$ 853	$ 1,071	$ 1,311	$ 4,539	$ 1,311
Revised estimates	(79)	(122)	10	(746)	(190)
Payments	(759)	(96)	(250)	(2,482)
Ending balance	$ 15	$ 853	$ 1,071	$ 1,311	$ 15