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Cash and Cash Equivalents
12 Months Ended
Dec. 31, 2021
Cash and cash equivalents [abstract]  
Cash and Cash Equivalents Cash and Cash Equivalents
(1)Cash and cash equivalents as of December 31, 2021 and 2020 consist of the follows:
December 31,
2021
December 31,
2020
(In millions of Korean won)
Deposits in banks99,105 95,573 
Money market instruments— 15,059 
Total
99,105 110,632 
(2)The Group does not have any restricted cash and cash equivalents as of December 31, 2021 and 2020.