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Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Feb. 29, 2024	Dec. 31, 2023
Purchase Commitment
Research and development expense	$ 4,210	$ 2,367	$ 13,895	$ 7,254
Unpaid recorded expenses included in accounts payable	1,070		1,070			$ 17,814
Borrowings	41,819		41,819			79,856
KEB Hana Bank | Assets pledged as collateral | Borrowings | Related party
Purchase Commitment
Borrowings	6,800		6,800			7,000
IBK Industrial Bank | Assets pledged as collateral | Borrowings | Related party
Purchase Commitment
Borrowings	7,000		7,000			7,100
Anapass, Inc. | Assets pledged as collateral | Borrowings | Related party
Purchase Commitment
Borrowings	9,900		9,900			$ 10,100
Research and development agreement with Samsung
Purchase Commitment
Outstanding purchase commitments	200		200
Total fee amount	21,100		21,100
Fee amount to be paid over development milestones	11,700		11,700
Additional NRE to be paid as fee amount	9,400		$ 9,400
Period for payment of additional NRE			4 years
Gain on release of unconditional liability			$ 14,600
Research And Development Agreement With Alpha Holdings Co., Ltd
Purchase Commitment
Total fee amount					$ 7,600
Research and development expense	1,200		6,000
Aggregated unpaid amount	$ 4,900		$ 4,900

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