Organization - Additional Information (Detail)		6 Months Ended
Dec. 09, 2020	Jun. 30, 2022
Organization, Consolidation And Presentation Of Financial Statements [Line Items]
Committee for uniform securities identification procedures (CUSIP), number	091749101
Investor Class [Member]
Organization, Consolidation And Presentation Of Financial Statements [Line Items]
Percentage of management fee paid by shareholders		2.50%

Committee for uniform securities identification procedures CUSIP number.

No definition available.

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Namespace Prefix:	bitw_
Data Type:	us-types:nineDigitItemType
Balance Type:	na
Period Type:	duration