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Statements of Cash Flows - Summary of Changes in Liabilities Arising From Financing Activities (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure Of Cash Flow Statement [Abstract] |  |  |
Beginning of the year | ₩ 5,900 | ₩ 4,994 |
Cash flows used in financing activities – Payment of lease liabilities | (3,648) | (2,893) |
Cash flows from operating activities – Interest paid | (111) | (186) | ₩ (277)
Non-cash transactions |  |  |
Acquisitions – leases | 6,055 | 3,784 |
Interest expense relating to lease liabilities (included in finance cost) | 111 | 186 |
Early termination of leases | 0 | (14) |
Translation difference | 423 | 29 |
Ending of the year | ₩ 8,730 | ₩ 5,900 | ₩ 4,994

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- Definition The amount of additions to investment property resulting from acquisitions. [Refer: Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2021-01-01 -Paragraph 76 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_76_a&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2021-01-01 -Paragraph 79 -Subparagraph d -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=40&code=ifrs-tx-2021-en-r&anchor=para_79_d_i&doctype=Standard -URIDate 2021-03-24 + Details
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