SHARE-BASED COMPENSATION - Narrative - SECURITIZE, INC. AND SUBSIDIARIES (Details) - Securitize, Inc. and Subsidiaries - USD ($)	12 Months Ended
Dec. 31, 2025	Dec. 31, 2024
Share-Based Payment Arrangment [Line Items]
Exercise price, percentage, not less than	100.00%
Award vesting period	4 years
Expiration period	10 years
Awards vesting rights, percentage	10.00%
Exercise price of stock percentage	110.00%
Weighted-average grant-date fair value of options granted (in usd per share)	$ 3.94	$ 1.13
Total intrinsic value of options exercised	$ 1,562,378	$ 0
Unrecognized compensation expense	$ 3,176,401
Unrecognized compensation expense, weighted average period	1 year 8 months 12 days
Weighted value approach percentage	50.00%
2018 Plan
Share-Based Payment Arrangment [Line Items]
Shares available for future grant (in shares)	1,148,504
2018 Plan \| Class A
Share-Based Payment Arrangment [Line Items]
Number of shares that may be issued (in shares)	5,100,000

Share-Based Compensation Arrangement by Share-Based Payment Award, Estimated Fair Value, Percentage

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Share-Based Compensation Arrangement by Share-Based Payment Award, Exercise Price, Percentage

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Share-Based Payment Arrangment [Line Items]

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Share Based Payment Arrangment, Weighted Value Approach Percentage

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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.

+ References

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-Topic 718
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Amount of cost to be recognized for option under share-based payment arrangement.

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

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Percentage of vesting of award under share-based payment arrangement.

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Period from grant to expiration date of 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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Weighted average grant-date fair value of options vested.

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