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Risks and Liquidity (Detail) $ in Millions	Dec. 31, 2022 USD ($)
Risks And Liquidity [Abstract]
Cash and cash equivalents, restricted cash and marketable securities	$ 323.8

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- Definition

Cash, Cash Equivalents, Restricted Cash, Restricted Cash Equivalents And Marketable Securities

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No definition available.

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- Definition

Risks and Liquidity [abstract].

+ References

No definition available.

+ Details

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