Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Thousands			3 Months Ended				6 Months Ended		9 Months Ended
	May 08, 2023	Jul. 08, 2022	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2023	Dec. 31, 2022	Mar. 31, 2023
Loss Contingencies [Line Items]
Revenues			$ 1,128,539		$ 651,444				$ 3,133,745	$ 1,890,059
Interest income			20,921		$ 525				72,596	$ 7,457
Positive Outcome Of Litigation [Member]
Loss Contingencies [Line Items]
Litigation Settlement, Amount Awarded from Other Party	$ 97,500	$ 62,200
Revenues				$ 99,900		$ 55,800	$ 99,900	$ 55,800
Interest income				$ 7,200		$ 6,400	$ 7,200	$ 6,400
Unfavorable Regulatory Action [Member]
Loss Contingencies [Line Items]
U.S. government contract-related reserves			$ 16,600						$ 16,600		$ 12,900