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Related Parties - Summary of Salaries and Other Compensations To The Key Members of Management of The Company (Details) - KRW (₩) ₩ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disclosure of Key management personnel compensation [Abstract]
Salaries	₩ 1,272	₩ 1,295	₩ 1,315
Retirement benefits	21	58	31
Total	₩ 1,293	₩ 1,353	₩ 1,346

X

- Definition

The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 17
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-URIDate 2021-03-24

+ Details

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Balance Type:	debit
Period Type:	duration

X

- Definition

The amount of compensation to key management personnel in the form of post-employment benefits. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 17
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_17_b&doctype=Standard
-URIDate 2021-03-24

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X

- Definition

The amount of compensation to key management personnel in the form of short-term employee benefits. [Refer: Key management personnel of entity or parent [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2021-01-01
-Paragraph 17
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2021-en-r&anchor=para_17_a&doctype=Standard
-URIDate 2021-03-24

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- References

No definition available.

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