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Income Taxes (Details Textual) $ in Millions, ₩ in Billions | Mar. 31, 2023 USD ($) | Mar. 31, 2022 USD ($) | Mar. 31, 2022 KRW (₩) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 KRW (₩) | Jun. 30, 2021 USD ($)
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Income Tax Contingency [Line Items] |  |  |  |  |  |
Deferred tax assets, unrecognized tax benefit |  | $ 85.0 |  | $ 390.0 |  |
Deferred tax assets, net |  |  |  |  |  | $ 490.0
Samsung Bioepis |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |
Investment in Samsung Bioepis |  | 586.4 | ₩ 709.4 | $ 599.9 | ₩ 713.3 |
Deferred tax assets, net |  | $ 70.0 |  |  |  |
Forecast |  |  |  |  |  |
Income Tax Contingency [Line Items] |  |  |  |  |  |
Decrease in unrecognized tax benefits is reasonably possible | $ 500.0 |  |  |  |  |
Deferred tax assets, unrecognized tax benefit | $ 455.0 |  |  |  |  |

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