v3.26.1

Subsequent Events (Details) $ / shares in Units, $ in Millions		3 Months Ended
	Apr. 28, 2026 USD ($) grant employee $ / shares shares	Mar. 31, 2026 $ / shares shares
Subsequent Event [Line Items]
Options granted in period (in shares) \| shares		2,087,000
Stock option exercise price (in dollars per share) \| $ / shares		$ 10.05
Subsequent Event
Subsequent Event [Line Items]
Stock issued during period, value, issued for services	$ 10.0
Stock option exercise price (in dollars per share) \| $ / shares	$ 10.00
Debt instrument, amendment to partial recourse promissory notes, number of individuals \| employee	2
Subsequent Event \| Class A Common Stock
Subsequent Event [Line Items]
Options granted in period (in shares) \| shares	182,150
Subsequent Event \| Restricted Stock Units (RSUs)
Subsequent Event [Line Items]
Stock issued during period, issued for services, number of quarterly grants \| grant	4
Stock issued during period, value, issued for services, amount per quarter	$ 2.5
Strategic Restructuring Plan \| Subsequent Event
Subsequent Event [Line Items]
Number of positions eliminated \| employee	76
Expected restructuring charges	$ 1.7

Debt Instrument, Amendment to Partial Recourse Promissory Notes, Number Of Individuals

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- Definition

Stock Issued During Period, Issued For Services, Number of Quarterly Grants

+ References

No definition available.

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- Definition

Stock Issued During Period, Value, Issued for Services, Amount Per Quarter

+ References

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- Definition

Amount expected to be recognized in earnings for the specified restructuring cost.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4.d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4.b.1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479823/420-10-S99-2

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482017/420-10-50-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 420
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482017/420-10-50-1

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- Definition

The number of positions eliminated during the period as a result of restructuring activities.

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(iv)(01)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

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- Definition

Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders.

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No definition available.

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- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 830
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481674/830-30-50-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 855
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483399/855-10-50-2

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MNTN, Inc. 10-Q