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Employee Benefit Plans and Similar Obligations - Summary of Share Based Compensation Plan (Plan 2019-2022) (Parenthetical) (Detail) - 2019-22 [member]	12 Months Ended
	Dec. 31, 2019
Bottom of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Average remaining life of plan	7 months
Top of range [member]
Disclosure of terms and conditions of share-based payment arrangement [line items]
Average remaining life of plan	31 months

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- 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.

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No definition available.

+ Details

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- Definition

Share Based Benefit Plan Average Remaining Life

+ References

No definition available.

+ Details

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- Details

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- Details

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