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Commitments and Contingencies - Summary of Major Commitments with Local Financial Institutions (Detail) - Dec. 31, 2019 $ in Thousands, ₩ in Millions | KRW (₩) | USD ($)
--- | --- | ---
Disclosure of detailed information about borrowings [line items] |  |
Limit | ₩ 2,648,575 | $ 215,000
Used amount | 208,924 | 90,940
Bank overdraft [member] | Kookmin Bank and others [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Limit | 1,637,000 |
Used amount | 0 |
Inter-Korean Cooperation Fund [member] | Export-Import Bank of Korea [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Limit | 37,700 |
Used amount | 3,454 |
Collateralised loans on electronic receivable-trade [member] | Shinhan Bank and others [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Limit | 467,560 |
Used amount | 29,102 |
Plus electronic notes payable [member] | Industrial Bank of Korea [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Limit | 50,000 |
Used amount | 3,138 |
Loans for working capital [member] | Korea Development Bank and others [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Limit | 254,193 |
Used amount | 154,693 |
Facility loans [member] | Kookmin Bank and others [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Limit | $ |  | 212,000
Used amount | $ |  | 87,940
Facility loans [member] | Shinhan Bank and others [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Limit | 102,122 |
Used amount | 79 |
Facility loans on ships [member] | Shinhan Bank [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Limit | $ |  | 3,000
Used amount | $ |  | $ 3,000
Derivatives transaction limit [member] | Korea Development Bank [member] |  |
Disclosure of detailed information about borrowings [line items] |  |
Limit | 100,000 |
Used amount | ₩ 18,458 |

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