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Cash and Cash Equivalents (Tables) | 12 Months Ended
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Dec. 31, 2022
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Summary of Restricted Cash and Cash Equivalents | Restricted cash and cash equivalents as at December 31, 2021 and 2022, are as follows:
( i n millions of Korean won) |  | December 31, 2021 |  | December 31, 2022 |  | Description
Bank deposits |  | ￦ 28,219 |  | ￦ 29,874 |  | Deposit restricted for government project and others

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