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FINANCIAL INSTRUMENTS AND FAIR VALUE MEASUREMENTS (Tables) | 3 Months Ended
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Mar. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Schedule of assets and liabilities measured at fair value on a recurring basis | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fair Value Measurements Using
As of March 31, 2025 (unaudited) | ​ | Fair Value |  | Prices in active markets for identical assets (Level 1) |  | Significant other observable inputs (Level 2) |  | Significant unobservable inputs (Level 3)
Money Market Funds | ​ | $ | 246,020 | ​ | $ | 246,020 | ​ | $ | — | ​ | $ | —
ecosio Cash Earn-outs | ​ | ​ | 76,100 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 76,100
ecosio Stock Earn-outs | ​ | ​ | 31,700 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 31,700
​ | ​ | Fair Value Measurements Using
As of December 31, 2024 | ​ | Fair Value |  | Prices in active markets for identical assets (Level 1) |  | Significant other observable inputs (Level 2) |  | Significant unobservable inputs (Level 3)
Money Market Funds | ​ | $ | 276,374 | ​ | $ | 276,374 | ​ | $ | — | ​ | $ | —
Commercial Paper | ​ | ​ | 4,920 | ​ | ​ | — | ​ | ​ | 4,920 | ​ | ​ | —
Corporate Bonds | ​ | ​ | 250 | ​ | ​ | — | ​ | ​ | 250 | ​ | ​ | —
U.S. Treasury Securities | ​ | ​ | 5,983 | ​ | ​ | — | ​ | ​ | 5,983 | ​ | ​ | —
ecosio Cash Earn-outs | ​ | ​ | 74,400 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 74,400
ecosio Stock Earn-outs | ​ | ​ | 48,100 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 48,100
Schedule of additional information on Cash and Stock Earn-outs | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Maximum | ​ | Fair Value | ​ | Fair Value
Cash Earn-outs/ Period (unaudited) | ​ | Payout | ​ | March 31, 2025 | ​ | December 31, 2024
Year 1 - December 1, 2024 - December 1, 2025 | ​ | $ | 19,600 | ​ | $ | 18,300 | ​ | $ | 17,900
Year 2 - December 1, 2025 - December 1, 2026 | ​ | ​ | 30,625 | ​ | ​ | 25,100 | ​ | ​ | 24,400
Year 3 - December 1, 2026 - December 1, 2027 | ​ | ​ | 44,130 | ​ | ​ | 32,700 | ​ | ​ | 32,100
Total Cash Earn-outs | ​ | $ | 94,355 | ​ | $ | 76,100 | ​ | $ | 74,400
​ | ​ | Maximum | ​ | Fair Value | ​ | Fair Value
Stock Earn-outs/ Period (unaudited) | ​ | Payout (1) | ​ | March 31, 2025 | ​ | December 31, 2024
Year 1 - December 1, 2024 - December 1, 2025 | ​ | $ | 12,000 | ​ | $ | 11,300 | ​ | $ | 17,200
Year 2 - December 1, 2025 - December 1, 2026 | ​ | ​ | 12,000 | ​ | ​ | 10,800 | ​ | ​ | 16,300
Year 3 - December 1, 2026 - December 1, 2027 | ​ | ​ | 11,000 | ​ | ​ | 9,600 | ​ | ​ | 14,600
Total Stock Earn-outs | ​ | $ | 35,000 | ​ | $ | 31,700 | ​ | $ | 48,100
(1) Maximum payout based on Vertex's August 6, 2024 opening share price of $37.02, as referenced in the purchase agreement.
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | As of March 31, 2025 | ​ | As of December 31, 2024
​ | (unaudited) | ​ | ​ | ​ | ​ | ​ | ​
​ | Current (1) | ​ | Non-Current (2) | ​ | Current (1) | ​ | Non-Current (2)
Cash Earn-outs | $ | 18,300 | ​ | $ | 57,800 | ​ | $ | 17,900 | ​ | $ | 56,500
Stock Earn-outs | ​ | 11,300 | ​ | ​ | 20,400 | ​ | ​ | 17,200 | ​ | ​ | 30,900
Total | $ | 29,600 | ​ | $ | 78,200 | ​ | $ | 35,100 | ​ | $ | 87,400
​
(1) Included in purchase commitment and contingent consideration liabilities, current.
(2) Included in purchase commitment and contingent consideration liabilities, net of current portion.
Changes in fair value of contingent consideration | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ecosio
​ | ​ | Contingent Consideration
​ | ​ | Cash Earn-outs | ​ | Stock Earn-outs
​ | ​ | (unaudited)
Balance, January 1, 2025 | ​ | $ | 74,400 | ​ | $ | 48,100
Fair value adjustments | ​ | ​ | 1,700 | ​ | ​ | (16,400)
Balance, March 31, 2025 | ​ | $ | 76,100 | ​ | $ | 31,700
Ecosio |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Summary of fair value of contingent consideration and unobservable inputs used for the Monte Carlo Simulation valuation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | March 31, 2025 (unaudited)
Liabilities |  | Fair Value |  | ​ | Valuation Technique | ​ | Unobservable Inputs
ecosio Contingent Consideration - Cash Earn-outs | ​ | $ | 76,100 | ​ | ​ | Monte Carlo Simulation | ​ | Revenue volatility | ​ | 22.5 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Revenue discount rate | ​ | 7.4 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Term (in years) | ​ | 2.9 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
ecosio Contingent Consideration - Stock Earn-outs | ​ | $ | 31,700 | ​ | ​ | Monte Carlo Simulation | ​ | Revenue volatility | ​ | 22.5 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Revenue discount rate | ​ | 7.4 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Term (in years) | ​ | 2.9 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2024
Liabilities |  | Fair Value |  | ​ | Valuation Technique | ​ | Unobservable Inputs
ecosio Contingent Consideration - Cash Earn-outs | ​ | $ | 74,400 | ​ | ​ | Monte Carlo Simulation | ​ | Revenue volatility | ​ | 21.0 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Revenue discount rate | ​ | 7.7 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Term (in years) | ​ | 3.2 | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
ecosio Contingent Consideration - Stock Earn-outs | ​ | $ | 48,100 | ​ | ​ | Monte Carlo Simulation | ​ | Revenue volatility | ​ | 21.0 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Revenue discount rate | ​ | 7.7 | %
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | Term (in years) | ​ | 3.2 | ​

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- Definition Tabular disclosure of input and valuation technique used to measure fair value and change in valuation approach and technique for each separate class of asset and liability measured on recurring and nonrecurring basis. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 103 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-103 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Tabular disclosure of the fair value measurement of liabilities using significant unobservable inputs (Level 3), a reconciliation of the beginning and ending balances, separately presenting changes attributable to the following: (1) total gains or losses for the period (realized and unrealized), segregating those gains or losses included in earnings (or changes in net assets), and gains or losses recognized in other comprehensive income (loss) and a description of where those gains or losses included in earnings (or changes in net assets) are reported in the statement of income (or activities); (2) purchases, sales, issues, and settlements (each type disclosed separately); and (3) transfers in and transfers out of Level 3 (for example, transfers due to changes in the observability of significant inputs) by class of liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-3 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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- Definition Tabular disclosure of contingent payment arrangements including the terms that will result in payment and the accounting treatment that will be followed if such contingencies occur, including the potential impact on earnings per share if contingencies are to be settled in common stock of the entity. The description also may include the period over which amounts are expected to be paid, and changes in the amount since the previous reporting period. This also includes contingent options and commitments. + References No definition available. + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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