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Accounts and Other Receivables - Summary of Changes in Loss Allowance of Accounts and Other Receivables (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Trade And Other Receivables [Line Items] |  |  |
Bad debt expenses | ₩ 933 | ₩ 713 | ₩ 281
Reversal of allowance for doubtful accounts | (132) | (50) | (34)
Accounts receivables |  |  |
Trade And Other Receivables [Line Items] |  |  |
Beginning balance | 579 | 165 | 22
Bad debt expenses | 933 | 712 | 281
Reversal of allowance for doubtful accounts | (132) | (50) | 0
Write-off | (691) | (248) | (138)
Ending balance | 689 | 579 | 165
Other receivables |  |  |
Trade And Other Receivables [Line Items] |  |  |
Beginning balance | 5 | 4 | 84
Bad debt expenses | 0 | 1 | 0
Reversal of allowance for doubtful accounts | 0 | 0 | (34)
Write-off | 0 | 0 | (46)
Ending balance | ₩ 5 | ₩ 5 | ₩ 4

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- Definition Bad debt expense. + References No definition available. + Details
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- Definition Reversal of allowance for doubtful accounts - others. + References No definition available. + Details
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- Definition The amount of an allowance account used to record impairments to financial assets due to credit losses. [Refer: Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2021-03-24 + Details
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- Definition The decrease in an allowance account for credit losses of financial assets resulting from the utilisation of the allowance. [Refer: Allowance account for credit losses of financial assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 16 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_16&doctype=Standard&book=b -URIDate 2021-03-24 + Details
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- Details
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- Details
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