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Cash and Cash Equivalents (Tables) | 12 Months Ended
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Dec. 31, 2020
Cash And Cash Equivalents [Abstract] |
Disclosure of Details of Cash and Cash Equivalents Explanatory | (1) Cash and cash equivalents as of December 31, 2020 and 2019 consist of the follows:
|  | December 31, 2020 |  |  | December 31, 2019 |
|  | (In millions of Korean won) |
Deposits in banks |  |  |  | 95,573 |  |  |  |  | 52,941 |
Money market instruments |  |  |  | 15,059 |  |  |  |  | 26,487 |
Total |  | W |  | 110,632 |  |  | W |  | 79,428 |
(2) The Group does not have any restricted cash and cash equivalents as of December 31, 2020 and 2019.

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