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Related-Party Debt - Estimated Material Contractual Obligations Related to Related-Party Promissory Notes (Detail) - USD ($) $ in Thousands		1 Months Ended	9 Months Ended
	Oct. 03, 2023	Nov. 07, 2023	Sep. 30, 2023	Sep. 30, 2022	Sep. 11, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Interest paid			$ 32,902	$ 21,000
Subsequent Event
Related Party Transaction [Line Items]
Interest paid		$ 19,500
Affiliated Entity \| Subsequent Event
Related Party Transaction [Line Items]
Interest paid	$ 19,500
Affiliated Entity \| Convertible Notes
Related Party Transaction [Line Items]
Total principal and estimated interest due on related-party debt						$ 241,271
Affiliated Entity \| Nonconvertible Notes
Related Party Transaction [Line Items]
Total principal and estimated interest due on related-party debt						$ 431,901
Affiliated Entity \| Nonconvertible Notes and Convertible Note at Fair Value
Related Party Transaction [Line Items]
Interest rate			13.39%
Affiliated Entity \| Nant Capital, NantWorks, LLC, NantCancerStemCell, LLC, and NantMobile, LLC, Executed 9/11/2023 \| Convertible Notes
Related Party Transaction [Line Items]
Total principal and estimated interest due on related-party debt			$ 165,289
Principal Amount					$ 200,000
Interest rate			13.31%
Affiliated Entity \| Related Party Notes
Related Party Transaction [Line Items]
2023 (excluding the nine months ended September 30, 2023)			$ 44,297
2024			633,561
2025			26,629
2026			218,531
Total principal and estimated interest due on related-party debt			923,018
Affiliated Entity \| Principal Payments \| Convertible Notes
Related Party Transaction [Line Items]
2023 (excluding the nine months ended September 30, 2023)			0
2024			30,000
2025			0
2026			200,000
Total principal and estimated interest due on related-party debt			230,000
Affiliated Entity \| Principal Payments \| Nonconvertible Notes
Related Party Transaction [Line Items]
2023 (excluding the nine months ended September 30, 2023)			0
2024			505,000
2025			0
2026			0
Total principal and estimated interest due on related-party debt			505,000
Affiliated Entity \| Interest Payments \| Convertible Notes
Related Party Transaction [Line Items]
2023 (excluding the nine months ended September 30, 2023)			10,197
2024			30,732
2025			26,629
2026			18,531
Total principal and estimated interest due on related-party debt			86,089
Affiliated Entity \| Interest Payments \| Nonconvertible Notes
Related Party Transaction [Line Items]
2023 (excluding the nine months ended September 30, 2023)			34,100
2024			67,829
2025			0
2026			0
Total principal and estimated interest due on related-party debt			$ 101,929