Share-Based Compensation Arrangement By Share-based Payment Award, Purchase Period

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Put Option, Exercise, Period From Issuance Date

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- Definition

Significant accounting policies [Line Item].

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- Definition

Aggregate number of common shares reserved for future issuance.

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- Definition

Amount of expense (income) related to adjustment to fair value of warrant liability.

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- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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No definition available.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

Purchase price of common stock expressed as a percentage of its fair value.

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Summary of Significant Accounting Policies (Details) - USD ($) $ in Thousands		3 Months Ended
	Jan. 01, 2022	Mar. 31, 2022	Mar. 31, 2021	Jul. 21, 2021
Significant Accounting Policies [Line Items]
Gain on derivative warrant liabilities		$ 6,700
Income tax expense		$ 1,522	$ 0
Marketwise, LLC
Significant Accounting Policies [Line Items]
Ownership interest, controlling		7.20%
Ownership interest, noncontrolling		92.80%
Common Stock - Class B
Significant Accounting Policies [Line Items]
Vesting period		8 years
Exercise of put option, period from issuance date		25 months
Employee Stock Purchase Plan
Significant Accounting Policies [Line Items]
Common stock reserved for issuance (in shares)	6,409,000
Offering period	6 months
Purchase price of common stock, percent of fair market value	85.00%
2021 Incentive Award Plan
Significant Accounting Policies [Line Items]
Common stock reserved for issuance (in shares)				32,045,000
Maximum number of shares that may be issued (in shares)				32,045,000