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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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