INVENTORIES - Additional Information (Details) - USD ($)	12 Months Ended
Dec. 31, 2018	Dec. 31, 2019
INVENTORIES
Other Inventory, in Transit, Gross	$ 24,200,000	$ 18,300,000
Percentage of LIFO Inventory	89.00%	91.00%
Percentage of FIFO Inventory	11.00%	9.00%
Decrease In Cost Of Goods Sold	$ 87,000

No definition available.

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

- Definition

Gross amount of merchandise or supplies to which the entity holds the title but does not hold physical possession because the goods are currently being transported.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.6(a))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_OtherInventoryInTransit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

Name:	us-gaap_PercentageOfFIFOInventory
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

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

+ References

No definition available.

+ Details

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

- Definition

Amount of cost of goods sold decreased during the period with the impact of LIFO liquidations on the costs of goods sold.

+ References

No definition available.

+ Details

Name:	weys_DecreaseInCostOfGoodsSold
Namespace Prefix:	weys_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration