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Commitments and Contingencies - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended			6 Months Ended
	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024	Feb. 29, 2024
Purchase Commitment
Research and development expense	$ 3,514		$ 4,164	$ 7,610	$ 9,685
Unpaid recorded expenses included in accounts payable	823			823		$ 1,031
Borrowings	51,675			51,675		42,626
KEB Hana Bank \| Assets pledged as collateral \| Borrowings \| Related party
Purchase Commitment
Borrowings	6,600			6,600		6,100
IBK Industrial Bank \| Assets pledged as collateral \| Borrowings \| Related party
Purchase Commitment
Borrowings	6,800			6,800		6,300
Anapass, Inc. \| Assets pledged as collateral \| Borrowings \| Related party
Purchase Commitment
Borrowings	16,600			16,600		$ 12,200
Research and development agreement with Samsung
Purchase Commitment
Outstanding purchase commitments	200			200
Research And Development Agreement With Alpha Holdings Co., Ltd
Purchase Commitment
Total development costs, increase		$ 100
Total fee amount		$ 7,700					$ 7,600
Research and development expense	500			1,100
Aggregated unpaid amount	$ 400			$ 400