Risk and Uncertainties (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Exchange Traded Products [Member] \| Coinshares International Limited [Member]
Risk and Uncertainties (Details) [Line Items]
Digital assets	$ 1,145.4	$ 1,191.0

Amount of increase in crypto asset from mining. Excludes crypto asset held for platform user.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
-SubTopic 60
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476162/350-60-50-3

Name:	us-gaap_CryptoAssetMining
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration