Subsequent Events - Additional Information (Detail) - Scenario Forecast - Spin Off Transaction	1 Months Ended
May 31, 2021 Location
Subsequent Event [Line Items]
Number of retail locations	1,100
Shareholders equity ownership percentage in newly formed companies	100.00%

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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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration