Fair Value Measurements - Narrative (Details) - Apex (Bakkt Crypto) - USD ($) $ in Millions	Dec. 31, 2023	Apr. 01, 2023
Business Acquisition [Line Items]
Contingent consideration	$ 0.0	$ 2.9
Gross profit volatility		66.00%

Amount of liability recognized arising from contingent consideration in a business combination.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 30
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
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Name:	us-gaap_BusinessCombinationContingentConsiderationLiability
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant