Related-Party Debt - $125 million August 2022 (Details) - Affiliated Entity - USD ($) $ in Millions	Dec. 28, 2023	Aug. 31, 2022	Dec. 29, 2023
$125 Million August 2022 Promissory Note
Related Party Transaction [Line Items]
Interest rate spread	8.00%	8.00%
Convertible notes \| $125 Million August 2022 Promissory Note
Related Party Transaction [Line Items]
Principal amount		$ 125.0
Promissory Notes \| $505 million December 2023 Promissory Note
Related Party Transaction [Line Items]
Principal amount			$ 505.0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details

ImmunityBio, Inc. 10-K