| Cover | 12 Months Ended |
| Dec. 31, 2022 | |
| Document Information [Line Items] | |
| Document Type | DEF 14A |
| Amendment Flag | false |
| Entity Information [Line Items] | |
| Entity Registrant Name | Xometry, Inc. |
| Entity Central Index Key | 0001657573 |
| Pay vs Performance Disclosure - USD ($) | 12 Months Ended | |
| Dec. 31, 2022 | Dec. 31, 2021 | |
| Pay vs Performance Disclosure [Table] | ||
| Pay vs Performance [Table Text Block] | PAY VERSUS PERFORMANCE As S-K, pay-for-performance Year Summary Compensation ($) Average Non-PEO ($) Average Non-PEO ($) Value of Initial Fixed $100 Net Income (millions) Total ($) Peer Group ($) Company (millions) 2022 3,775,410 1,219,186 1,552,235 (85,068 ) 36.88 46.10 (76.0 ) 381.1 2021 3,303,032 15,921,535 345,939 4,696,970 58.65 72.40 (61.4 ) 218.3 (1) Represents amounts of total compensation reported for Mr. Altschuler (our Chief Executive Officer) for each corresponding year in the “Total” column of the Summary Compensation Table. Refer to “Executive Compensation—Summary Compensation Table.” (2) Represents the amount of “compensation actually paid” to Mr. Altschuler, as computed in accordance with Item 402(v) of Regulation S-K. S-K, Year Reported Summary Compensation ($) Reported Value of Equity ($) Equity Award Adjustments(b) ($) Compensation ($) 2022 3,775,410 3,313,002 756,778 1,219,186 2021 3,303,032 2,778,161 15,396,664 15,921,535 (a) The grant date fair value of equity awards represents the total of the amounts reported in the “Stock Awards” and “Option Awards” columns in the Summary Compensation Table for the applicable year. Refer to “Executive Compensation—Summary Compensation Table.” (b) The equity award adjustments for each applicable year include the addition (or subtraction, as applicable) of the following: (i) the year-end Year Year End ($) Year over ($) Fair Value ($) Year over ($) Fair Value ($) Total Equity Award Adjustments ($) 2022 3,240,998 (1,788,733 ) — (695,487 ) — 756,778 2021 5,749,106 4,477,287 — 5,170,271 — 15,396,664 (3) Represent the average of the amounts reported for our named executive officers as a group (excluding Mr. Altschuler, who is our Chief Executive Officer) in the “Total” column of the Summary Compensation Table in each applicable year. Refer to “Executive Compensation—Summary Compensation Table.” The names of each of the named executive officers (excluding Mr. Altschuler) included for purposes of calculating the average amounts in each applicable year are as follows: (i) for 2022, Mr. Rallo, Mr. Goguen, Mr. Leibel and Mr. Cronin; and (ii) for 2021, Mr. Rallo and Mr. Goguen. (4) Represent the average amount of “compensation actually paid” to the named executive officers as a group (excluding Mr. Altschuler), as computed in accordance with Item 402(v) of Regulation S-K. S-K, Year Average Reported Non-PEO ($) Average ($) Average Equity ($) Average Compensation to Non- PEO NEOs ($) 2022 1,552,235 1,163,000 (474,303 ) (85,068 ) 2021 345,939 1,244,171 10,292,173 4,696,970 (a) The amounts deducted or added in calculating the total average equity award adjustments are as follows: Year Average Year End Fair ($) Year over ($) Average ($) Year over ($) Average Fair ($) Total Average Equity Award Adjustments ($) 2022 1,137,723 (1,201,967 ) — (410,059 ) — (474,303 ) 2021 1,212,253 6,814,273 — 2,265,647 — 10,292,173 (5) Cumulative total stockholder return (“TSR”) is calculated by dividing the sum of the cumulative amount of dividends for the measurement period, assuming dividend reinvestment, and the difference between our stock price at the end and the beginning of the measurement period by our stock price at the beginning of the measurement period. Because our common stock commenced trading on the Nasdaq Global Select Market on June 30, 2021, we have used this date as the beginning of the measurement period. (6) Represents the weighted peer group TSR, weighted according to the respective companies’ stock market capitalization at the beginning of each period for which a return is indicated. The peer group used for this purpose is the group of companies reported above under “Executive Compensation—Compensation Discussion and Analysis—How We Determine Executive Compensation—2022 Peer Group. (7) The dollar amounts reported represent the amount of net income (loss) reflected in our audited financial statements for the applicable year. | |
| Company Selected Measure Name | Revenue | |
| Named Executive Officers, Footnote [Text Block] | The names of each of the named executive officers (excluding Mr. Altschuler) included for purposes of calculating the average amounts in each applicable year are as follows: (i) for 2022, Mr. Rallo, Mr. Goguen, Mr. Leibel and Mr. Cronin; and (ii) for 2021, Mr. Rallo and Mr. Goguen. | |
| Peer Group Issuers, Footnote [Text Block] | Represents the weighted peer group TSR, weighted according to the respective companies’ stock market capitalization at the beginning of each period for which a return is indicated. The peer group used for this purpose is the group of companies reported above under “Executive Compensation—Compensation Discussion and Analysis—How We Determine Executive Compensation—2022 Peer Group. | |
| PEO Total Compensation Amount | $ 3,775,410 | $ 3,303,032 |
| PEO Actually Paid Compensation Amount | $ 1,219,186 | 15,921,535 |
| Adjustment To PEO Compensation, Footnote [Text Block] | (2) Represents the amount of “compensation actually paid” to Mr. Altschuler, as computed in accordance with Item 402(v) of Regulation S-K. S-K, Year Reported Summary Compensation ($) Reported Value of Equity ($) Equity Award Adjustments(b) ($) Compensation ($) 2022 3,775,410 3,313,002 756,778 1,219,186 2021 3,303,032 2,778,161 15,396,664 15,921,535 (a) The grant date fair value of equity awards represents the total of the amounts reported in the “Stock Awards” and “Option Awards” columns in the Summary Compensation Table for the applicable year. Refer to “Executive Compensation—Summary Compensation Table.” (b) The equity award adjustments for each applicable year include the addition (or subtraction, as applicable) of the following: (i) the year-end Year Year End ($) Year over ($) Fair Value ($) Year over ($) Fair Value ($) Total Equity Award Adjustments ($) 2022 3,240,998 (1,788,733 ) — (695,487 ) — 756,778 2021 5,749,106 4,477,287 — 5,170,271 — 15,396,664 | |
| Non-PEO NEO Average Total Compensation Amount | $ 1,552,235 | 345,939 |
| Non-PEO NEO Average Compensation Actually Paid Amount | $ (85,068) | 4,696,970 |
| Adjustment to Non-PEO NEO Compensation Footnote [Text Block] | (4) Represent the average amount of “compensation actually paid” to the named executive officers as a group (excluding Mr. Altschuler), as computed in accordance with Item 402(v) of Regulation S-K. S-K, Year Average Reported Non-PEO ($) Average ($) Average Equity ($) Average Compensation to Non- PEO NEOs ($) 2022 1,552,235 1,163,000 (474,303 ) (85,068 ) 2021 345,939 1,244,171 10,292,173 4,696,970 (a) The amounts deducted or added in calculating the total average equity award adjustments are as follows: Year Average Year End Fair ($) Year over ($) Average ($) Year over ($) Average Fair ($) Total Average Equity Award Adjustments ($) 2022 1,137,723 (1,201,967 ) — (410,059 ) — (474,303 ) 2021 1,212,253 6,814,273 — 2,265,647 — 10,292,173 | |
| Compensation Actually Paid vs. Total Shareholder Return [Text Block] | Compensation Actually Paid and Cumulative TSR The chart below shows the relationship between the compensation actually paid to Mr. Altschuler and the average compensation actually paid to our other named executive officers (besides Mr. Altschuler), on the one hand, to the Company’s cumulative TSR over the two years presented in the table, on the other. | |
| Compensation Actually Paid vs. Net Income [Text Block] | Compensation Actually Paid and Net Income The chart below shows the relationship between the compensation actually paid to Mr. Altschuler and the average compensation actually paid to our other named executive officers (besides Mr. Altschuler), on the one hand, to the Company’s net income over the two years presented in the table, on the other. | |
| Compensation Actually Paid vs. Company Selected Measure [Text Block] | Compensation Actually Paid and Revenue The chart below shows the relationship between the compensation actually paid to Mr. Altschuler and the average compensation actually paid to our other named executive officers (besides Mr. Altschuler), on the one hand, to our revenue over the two years presented in the table, on the other. | |
| Total Shareholder Return Vs Peer Group [Text Block] | Cumulative TSR of the Company and Cumulative TSR of the Peer Group The chart below shows the relationship our two-year two-year | |
| Tabular List [Table Text Block] | Tabular List of Most Important Performance Measures The following presents the performance measures that we consider to be the most important in linking compensation actually paid to our named executive officers for 2022 to our performance: Performance Measure Revenue EBITDA Gross Margin | |
| Total Shareholder Return Amount | $ 36.88 | 58.65 |
| Peer Group Total Shareholder Return Amount | 46.1 | 72.4 |
| Net Income (Loss) | $ (76,000,000) | $ (61,400,000) |
| Company Selected Measure Amount | 381,100,000 | 218,300,000 |
| PEO Name | Mr. Altschuler | |
| Measure [Axis]: 1 | ||
| Pay vs Performance Disclosure [Table] | ||
| Measure Name | Revenue | |
| Measure [Axis]: 2 | ||
| Pay vs Performance Disclosure [Table] | ||
| Measure Name | EBITDA | |
| Measure [Axis]: 3 | ||
| Pay vs Performance Disclosure [Table] | ||
| Measure Name | Gross Margin | |
| PEO [Member] | Reported Value of Equity Awards [Member] | ||
| Pay vs Performance Disclosure [Table] | ||
| Adjustment to Compensation Amount | $ 3,313,002 | $ 2,778,161 |
| PEO [Member] | Equity Award Adjustments [Member] | ||
| Pay vs Performance Disclosure [Table] | ||
| Adjustment to Compensation Amount | 756,778 | 15,396,664 |
| PEO [Member] | Year End Fair Value of Equity Awards [Member] | ||
| Pay vs Performance Disclosure [Table] | ||
| Adjustment to Compensation Amount | 3,240,998 | 5,749,106 |
| PEO [Member] | Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards [Member] | ||
| Pay vs Performance Disclosure [Table] | ||
| Adjustment to Compensation Amount | (1,788,733) | 4,477,287 |
| PEO [Member] | Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year [Member] | ||
| Pay vs Performance Disclosure [Table] | ||
| Adjustment to Compensation Amount | 0 | 0 |
| PEO [Member] | Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year [Member] | ||
| Pay vs Performance Disclosure [Table] | ||
| Adjustment to Compensation Amount | (695,487) | 5,170,271 |
| PEO [Member] | Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year [Member] | ||
| Pay vs Performance Disclosure [Table] | ||
| Adjustment to Compensation Amount | 0 | 0 |
| Non-PEO NEO [Member] | Reported Value of Equity Awards [Member] | ||
| Pay vs Performance Disclosure [Table] | ||
| Adjustment to Compensation Amount | 1,163,000 | 1,244,171 |
| Non-PEO NEO [Member] | Equity Award Adjustments [Member] | ||
| Pay vs Performance Disclosure [Table] | ||
| Adjustment to Compensation Amount | (474,303) | 10,292,173 |
| Non-PEO NEO [Member] | Year End Fair Value of Equity Awards [Member] | ||
| Pay vs Performance Disclosure [Table] | ||
| Adjustment to Compensation Amount | 1,137,723 | 1,212,253 |
| Non-PEO NEO [Member] | Year over Year Change in Fair Value of Outstanding and Unvested Equity Awards [Member] | ||
| Pay vs Performance Disclosure [Table] | ||
| Adjustment to Compensation Amount | (1,201,967) | 6,814,273 |
| Non-PEO NEO [Member] | Fair Value as of Vesting Date of Equity Awards Granted and Vested in the Year [Member] | ||
| Pay vs Performance Disclosure [Table] | ||
| Adjustment to Compensation Amount | 0 | 0 |
| Non-PEO NEO [Member] | Year over Year Change in Fair Value of Equity Awards Granted in Prior Years that Vested in the Year [Member] | ||
| Pay vs Performance Disclosure [Table] | ||
| Adjustment to Compensation Amount | (410,059) | 2,265,647 |
| Non-PEO NEO [Member] | Fair Value at the End of the Prior Year of Equity Awards that Failed to Meet Vesting Conditions in the Year [Member] | ||
| Pay vs Performance Disclosure [Table] | ||
| Adjustment to Compensation Amount | $ 0 | $ 0 |
