Inventories - Additional Information (Detail)	Jun. 30, 2021	Dec. 31, 2020
Inventory Disclosure [Abstract]
Percentage of inventories valued on the LIFO method	32.00%	35.00%

The percentage of LIFO (last in first out) inventory to total inventory as of the balance sheet date if other than 100 percent.

No definition available.

Name:	us-gaap_PercentageOfLIFOInventory
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant