v3.25.2

Stock Based Compensation - Additional Information (Details) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average grant date fair value of options granted	$ 0
Intrinsic value of options exercised	$ 3.0	$ 3.1
Unrecognized compensation cost related to unvested stock options granted	$ 1.6
Cost is expected to be recognized over weighted average period	1 year
Stock options granted to purchase shares of common stock	0
2016 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options granted to purchase shares of common stock	0
2014 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Plan termination, month and year	2016-02
Stock options granted to purchase shares of common stock	0
2021 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares available for grant	7,871,150
2021 Equity Incentive Plan \| Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Cost is expected to be recognized over weighted average period	3 years
Total unrecognized compensation cost related to unvested restricted stock units	$ 53.2
2021 Equity Incentive Plan \| Performance Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Cost is expected to be recognized over weighted average period	2 years
Total unrecognized compensation cost related to unvested restricted stock units	$ 9.6

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

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Share based compensation arrangement by share based payment award plan termination month and year.

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Xometry, Inc. 10-Q