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Employee Benefit Plans and Similar Obligations - Summary of Share Based Compensation Plan (Plan 2020-2020) (Parenthetical) (Detail) - Plan 2020-23 [member]	12 Months Ended
	Dec. 31, 2020
Bottom of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Average life of plan	7 months
Top of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Average life of plan	31 months

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

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X

- Definition

Share Based Benefit Plan Average Life.

+ References

No definition available.

+ Details

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X

- Details

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- Details

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X

- Details

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