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Financial Instruments (Details) - Sep. 30, 2019 $ in Millions, $ in Millions, $ in Millions	CAD ($)	AUD ($)	USD ($)
Foreign Exchange Contracts, Canadian [Member]
Investment Owned, Foreign Currency Contract, Current Value	$ 7.0		$ 5.3
Foreign Exchange Contracts Australian [Member]
Investment Owned, Foreign Currency Contract, Current Value		$ 4.9	$ 3.5

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

- Details

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

X

- Details

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