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Finance Income And Costs - Summary of Finance Income And Cost (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Disclosure Of Finance Income And Costs [Line Items] |  |  |
Finance income | ₩ 5,268 | ₩ 3,476 | ₩ 4,187
Finance costs | 2,686 | 3,833 | 1,594
Interest income |  |  |
Disclosure Of Finance Income And Costs [Line Items] |  |  |
Finance income | 1,383 | 1,088 | 1,626
Unrealized foreign currency gain |  |  |
Disclosure Of Finance Income And Costs [Line Items] |  |  |
Finance income | 134 | 321 | 119
Gain on foreign currency transactions |  |  |
Disclosure Of Finance Income And Costs [Line Items] |  |  |
Finance income | 3,751 | 2,067 | 2,442
Unrealized foreign currency loss |  |  |
Disclosure Of Finance Income And Costs [Line Items] |  |  |
Finance costs | 211 | 682 | 267
Loss on foreign currency transactions |  |  |
Disclosure Of Finance Income And Costs [Line Items] |  |  |
Finance costs | 2,360 | 2,965 | 1,050
Other |  |  |
Disclosure Of Finance Income And Costs [Line Items] |  |  |
Finance costs | ₩ 115 | ₩ 186 | ₩ 277

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- Definition The amount of costs associated with financing activities of the entity. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 82 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_82_b&doctype=Standard -URIDate 2021-03-24 + Details
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