Commitments and Contingencies - Additional Information (Details)		1 Months Ended											3 Months Ended			6 Months Ended			24 Months Ended
	Dec. 17, 2021 USD ($)	Feb. 29, 2024	Feb. 28, 2023 USD ($)	Sep. 30, 2022 ft²	Jan. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Nov. 30, 2021 USD ($)	Aug. 31, 2021 USD ($)	Apr. 30, 2021 USD ($)	May 31, 2020 USD ($)	May 31, 2020 GBP (£)	May 31, 2019 USD ($) ft²	Jun. 30, 2024 USD ($) ft² m²	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)	Jun. 30, 2024 USD ($) ft² m²	Jun. 30, 2024 ILS (₪)	Jun. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)	Dec. 17, 2017
Loss Contingencies [Line Items]
Operating lease expense													$ 2,837,000			$ 2,837,000			$ 2,809,000
Operating lease expense													300,000	$ 300,000		600,000		$ 600,000
Upfront payment																			$ 14,300,000
Insurance deductable			$ 25,000
Roche Agreement [Member]
Loss Contingencies [Line Items]
Upfront payment	$ 50,000,000				$ 50,000,000	$ 50,000,000
Maximum milestone payments to be received upon performance conditions					620,000,000	$ 620,000,000
Roche Agreement [Member] | Israel Innovation Authority [Member]
Loss Contingencies [Line Items]
Loss contingency accrual, payments					12,100,000
Roche Agreement [Member] | Hadasit Medical Research Services and Development Ltd [Member]
Loss Contingencies [Line Items]
Loss contingency accrual, payments					8,900,000
Contingency withheld amount					$ 1,900,000
Pay costs percentage					21.50%
ITI Collaboration Agreement [Member]
Loss Contingencies [Line Items]
Upfront payment								$ 500,000	$ 500,000
Budgetary commitment amount									$ 2,200,000
Purchase obligation													$ 1,600,000			$ 1,600,000
Agreements With Hadasit and IIA [Member]
Loss Contingencies [Line Items]
Upfront payment percentage							24.10%
Upfront and Royalty payment							24.10%
Upfront payment received							$ 12,100,000
Grants awarded percentage													50.00%			50.00%
Royalty payment percentage																				50.00%
Aggregate cap amount													$ 94,300,000			$ 94,300,000
Sublicensing fee	$ 8,900,000
Sublicensing fee percentage	21.50%
Maximum percentage of milestone payments	21.50%
License Agreement [Member]
Loss Contingencies [Line Items]
Agreed signature fee amount										$ 1,600,000	£ 1,250,000
License Agreement [Member] | Maximum [Member]
Loss Contingencies [Line Items]
Clinical regulatory milestone | £											8,000,000
Sales related milestones | £											£ 22,500,000
Settlement Agreement [Member]
Loss Contingencies [Line Items]
Litigation settlement amount			10,650,000
Settlement Agreement [Member] | Insurers [Member]
Loss Contingencies [Line Items]
Litigation settlement amount			$ 7,120,000
Settlement Agreement [Member] | Parent Company [Member]
Loss Contingencies [Line Items]
Litigation settlement amount															$ 3,530,000
Carlsbad Lease [Member]
Loss Contingencies [Line Items]
Rentable area | ft²												8,841
Lease expiration date												Mar. 31, 2026
Base monthly rent												$ 24,666
Increased rent amount												$ 25,197
Security deposit													17,850			17,850
Lease commencement date												Mar. 01, 2023
Carlsbad Sub Lease [Member]
Loss Contingencies [Line Items]
Rentable area | ft²				4,500
Lease expiration date		Mar. 31, 2026		Mar. 31, 2024
Lease commencement date				Oct. 01, 2022
Rent for first twelve months													23,000			23,000
Rent for remaining twelve months													23,500			$ 23,500
Sublease agreement option to extend																In February 2024, Lineage extended the term of the sublease for 24 months through March 31, 2026 on similar terms.	In February 2024, Lineage extended the term of the sublease for 24 months through March 31, 2026 on similar terms.
Carlsbad Sub Lease [Member] | Deposits and Other Long-Term Assets [Member]
Loss Contingencies [Line Items]
Security deposit													$ 22,500			$ 22,500
Cell Cure Leases [Member]
Loss Contingencies [Line Items]
Rentable area | ft²													22,600			22,600
Lease expiration date																Dec. 31, 2027	Dec. 31, 2027
Land subject to ground leases | m²													2,096			2,096
Lessee operating lease renewal term description																options to extend the lease term for five years	options to extend the lease term for five years
Base rent and construction allowance per month																$ 44,000	₪ 165,000
Deposit assets													$ 448,000			$ 448,000