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Financial Instruments (Details) - Mar. 31, 2020 - Foreign Exchange Contracts Australian [Member] $ in Thousands, $ in Millions	AUD ($)	USD ($)
Investment Owned, Foreign Currency Contract, Current Value	$ 4.3	$ 3,000
Unrealized gains based on quarter-end exchange rates		$ 362

X

- Definition

Amount the entity is obligated or for which it has the option to buy or sell the foreign currency contract.

+ References

No definition available.

+ Details

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

X

- Definition

This element represents the net excess or deficiency of the fair value of an investment (security, contract) over or under its cost (face amount, notional amount), respectively, which excess value or deficiency has not been recognized in earnings of the entity.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
-Section S99
-Paragraph 22
-URI http://asc.fasb.org/extlink&oid=50485924&loc=SL6090603-123010

+ Details

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

X

- Details

Name:	us-gaap_DerivativeInstrumentRiskAxis=weys_ForeignExchangeContractsAustralianMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: