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Shareholders' Equity - Additional Information (Detail) - ₩ / shares | Dec. 31, 2020 | Dec. 31, 2019
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Common stock, shares authorized | 200,000,000 | 200,000,000
Common stock, par or stated value per share | ₩ 10,000 | ₩ 10,000

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- Definition The maximum number of common shares permitted to be issued by an entity's charter and bylaws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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