v3.25.2

Fair Value Measurments - Narrative (Details)	Jun. 30, 2025
Fair Value Disclosures [Abstract]
Issued interest rate	0.00%
Discount (as a percent)	5.00%

X

- Definition

Fair Value, Debenture, Discount Percent

+ References

No definition available.

+ Details

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Namespace Prefix:	bakkt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Fair Value, Debenture, Issued Interest Rate

+ References

No definition available.

+ Details

Name:	bakkt_FairValueDebentureIssuedInterestRate
Namespace Prefix:	bakkt_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

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