Share-Based Compensation Arrangement by Share-Based Payment Award, Award Payout Percentage

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- Definition

Share-Based Compensation Arrangement by Share-Based Payment Award, Award Performance Period

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Share-based Compensation Arrangement by Share-based Payment Award, Conversion Ratio

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Increase In Number Of Shares Available For Grant, Percentage Of Shares Outstanding

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- Definition

Share-Based Compensation Arrangement By Share-based Payment Award, Maximum Shares Issuable

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Share-based Compensation Arrangement by Share-based Payment Award, Milestone Achievement Period

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Number Of Tranches

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Share-based Compensation Arrangement by Share-based Payment Award, Number Of Tranches Forfeited

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Share-based Compensation Arrangement by Share-based Payment Award, Number Of Tranches Outstanding

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- Definition

Share-Based Payment Arrangement, Reversal Of Expense

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Share Repurchase Program, Offering Period Occurrence

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Aggregate number of common shares reserved for future issuance.

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Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Amount of noncash expense for share-based payment arrangement.

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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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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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

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

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

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

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Stock-Based Compensation - Narrative (Details)							1 Months Ended		3 Months Ended		12 Months Ended
Stock-Based Compensation - Narrative (Details)	Jan. 01, 2026 shares	Mar. 26, 2024	Jul. 13, 2023 USD ($) tranche shares	Apr. 14, 2022 shares	Sep. 16, 2021 tranche shares	Sep. 15, 2021 shares	Jun. 30, 2022	Aug. 31, 2021 shares	Mar. 31, 2026 USD ($) tranche shares	Mar. 31, 2025 USD ($) shares	Dec. 31, 2024 shares	Dec. 31, 2025 shares	Jun. 10, 2022 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense \| $									$ 70,400,000	$ 30,100,000
Granted (in shares)									0	0
Stock-based compensation expense \| $									$ 70,400,000	$ 30,100,000
Hawthorne Airport Acquisition \| Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense \| $									2,500,000
Vendor
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense \| $									32,900,000	6,500,000
General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense \| $									38,300,000	19,000,000.0
Options to purchase common stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense \| $									100,000	600,000
Share-based payment arrangement, nonvested award, cost not yet recognized, amount \| $									0
Unvested restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense \| $									24,500,000	16,400,000
Share-based payment arrangement, nonvested award, cost not yet recognized, amount \| $									$ 178,800,000
Issued (in shares)					20,009,224				8,489,230
Milestone achievement period					7 years
Vested (in shares)									6,683,694
Forfeited (in shares)									502,634
Shares outstanding (in shares)									35,269,825			34,166,124
Founder grants, number of tranches \| tranche					4
Weighted-average period									1 year 1 month 6 days
Unvested restricted stock units \| General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense \| $									$ 1,800,000	1,900,000
Performance Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Performance period		3 years
Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage of outstanding stock maximum								1.00%
Total stock-based compensation expense \| $									1,300,000	900,000
Purchase price of common stock, percent								85.00%
Number of additional shares authorized (in shares)								9,938,118
Offering period occurrence								6 months
Unvested stock options \| $									$ 900,000
Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of employees' gross pay								15.00%
Class B \| Unvested restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)			15 months
Vested (in shares)						10,004,612
Forfeited (in shares)				5,002,306							5,002,306
Shares outstanding (in shares)			15,006,918
Number of tranches forfeited \| tranche			3
Share-based payment arrangement, reversal of expense \| $			$ 59,100,000
Outstanding number of shares (in shares)									10,004,612
Class B \| Unvested restricted stock units \| General and administrative
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of tranches outstanding \| tranche									2
2021 Stock Plan \| Unvested restricted stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issued (in shares)									4,208,220
2021 Stock Plan \| Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Capital shares reserved for future issuance (in shares)	37,202,288												34,175,708
Percentage of outstanding stock maximum							5.00%
Annual Equity Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total stock-based compensation expense \| $									$ 7,300,000	$ 3,800,000
Amended and Restated 2021 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion ratio									1
Amended and Restated 2021 Plan \| Share-based Payment Arrangement, Tranche One
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)									1 year
Amended and Restated 2021 Plan \| Quarterly Equity Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion ratio									1
Amended and Restated 2021 Plan \| Unvested restricted stock units \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)									3 years
Amended and Restated 2021 Plan \| Unvested restricted stock units \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period (in years)									4 years
Amended and Restated 2021 Plan \| Unvested restricted stock units \| Quarterly Equity Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issued (in shares)									3,061,625
Amended and Restated 2021 Plan \| Unvested restricted stock units \| Based on Company’s Relative Performance of Total Shareholder Return
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issued (in shares)									1,219,484
Award vesting period (in years)									3 years
Amended and Restated 2021 Plan \| Performance Stock Units \| Based on Company’s Relative Performance of Total Shareholder Return
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Conversion ratio									1
Amended and Restated 2021 Plan \| Performance Stock Units \| Based on Company’s Relative Performance of Total Shareholder Return \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payout range percentage									0.00%
Amended and Restated 2021 Plan \| Performance Stock Units \| Based on Company’s Relative Performance of Total Shareholder Return \| Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payout range percentage									200.00%
2021 Employee Stock Purchase Plan \| Class A
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of additional shares authorized (in shares)	7,440,457
Number of shares authorized (in shares)									23,203,452
Stock repurchase program, remaining number of shares authorized to be repurchased (in shares)									17,942,108