Financial Instruments by Category - Schedule of Financial Instruments by Fair Value Hierarchy Level (Details) - KRW (₩) ₩ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of fair value measurement of assets [line items] | ||
| Long-term financial instruments | ₩ 3,812,000 | ₩ 1,767,000 |
| Financial assets at fair value through profit or loss | ||
| Disclosure of fair value measurement of assets [line items] | ||
| Long-term financial instruments | 600,000 | ₩ 0 |
| Level 1 | Financial assets at fair value through profit or loss | ||
| Disclosure of fair value measurement of assets [line items] | ||
| Long-term financial instruments | 0 | |
| Level 2 | Financial assets at fair value through profit or loss | ||
| Disclosure of fair value measurement of assets [line items] | ||
| Long-term financial instruments | 0 | |
| Level 3 | Financial assets at fair value through profit or loss | ||
| Disclosure of fair value measurement of assets [line items] | ||
| Long-term financial instruments | ₩ 600,000 |