Commitments and Contingencies - Additional Information (Details) - KRW (₩) ₩ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of contingent liabilities [line items] | ||
| Purchase obligations | ₩ 2,713 | ₩ 4,836 |
| Seoul Guarantee Insurance Co. Ltd. | ||
| Disclosure of contingent liabilities [line items] | ||
| Amount of payment guarantee | ₩ 110 |