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Fair Value Measurement of Assets and Liabilities - Investments Measured Valued Using Unobservable Inputs (Details) - Recurring - Investments - Gmarket $ in Millions | Mar. 31, 2024 USD ($)
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Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Equity investment in Gmarket | $ 329
GPC method | Minimum |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Equity investment in Gmarket, measurement input | 0.6
GPC method | Maximum |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Equity investment in Gmarket, measurement input | 1.8
GMAC method | Minimum |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Equity investment in Gmarket, measurement input | 1.0
GMAC method | Maximum |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |
Equity investment in Gmarket, measurement input | 3.2

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