v3.20.4

Subsequent Events (Details) - Oshkosh Defense - Subsequent Event	Feb. 23, 2021 director
Subsequent Event [Line Items]
Contract term	10 years
Minimum
Subsequent Event [Line Items]
Number of vehicles to be assembled	50,000
Maximum
Subsequent Event [Line Items]
Number of vehicles to be assembled	165,000

X

- Definition

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.

+ References

No definition available.

+ Details

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

X

- Definition

Contract Term

+ References

No definition available.

+ Details

Name:	wkhs_ContractTerm
Namespace Prefix:	wkhs_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Contracted Amount, Number of Vehicles to be Assembled

+ References

No definition available.

+ Details

Name:	wkhs_ContractedAmountNumberOfVehiclesToBeAssembled
Namespace Prefix:	wkhs_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	srt_CounterpartyNameAxis=wkhs_OshkoshDefenseMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_RangeAxis=srt_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: