Subsequent Events (Narrative) (Detail) - Subsequent Event [Member] - December 2021 Notes [Member] - noteOutstanding	2 Months Ended
Mar. 11, 2021	Feb. 17, 2021
Subsequent Event [Line Items]
Debt instrument, convertible, number of instruments held, tendered for repurchase		142
Debt instrument, convertible, number of instruments held, conversion rights exercised	50

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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