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Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2020
Disclosure Of Significant Accounting Policies [Abstract] |
Property and Equipment Estimated Useful Lives | Depreciation of all property and equipment, except for land, is calculated using the straight-line method to allocate their cost or revalued amounts, net of their residual values, over their estimated useful lives as follows:
Computer and other equipment |  | 4 years
Furniture and fixtures |  | 4 years
Vehicles |  | 4 years
Leasehold improvements |  | 4 years
Right-of-use assets |  | (*)
Summary of Useful Lives of Intangible Assets | The Group amortizes intangible assets with a definite useful life using the straight-line method over the following periods:
Software |  | 1 ~ 3 years
Industrial property rights |  | 10 years
Other intangible assets |  | 3 years

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