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Financial Instruments by Category - Additional Information (Details) - Financial assets at fair value through profit or loss - KRW (₩)
₩ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about financial instruments [line items]    
Short-term financial instruments ₩ 5,000,000 ₩ 0
Level 2    
Disclosure of detailed information about financial instruments [line items]    
Short-term financial instruments ₩ 5,000,000