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Fair Value Measurements (Tables) | 9 Months Ended
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Sep. 30, 2022
Fair Value Measurements |
Financial Assets and Liabilities Measured on a Recurring Basis | Financial assets and liabilities subject to fair value measurements on a recurring basis and the level of inputs used in such measurements were as follows:
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Fair Value Measurements
​ | ​ | September 30, 2022
(in thousands) |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Financial Assets: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Cash and cash equivalents (money market funds) | ​ | $ | 286,805 | ​ | $ | — | ​ | $ | — | ​ | $ | 286,805
Restricted cash (money market funds) | ​ |  | 440 | ​ |  | — | ​ |  | — | ​ |  | 440
Total financial assets | ​ | $ | 287,245 | ​ | $ | — | ​ | $ | — | ​ | $ | 287,245
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​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | Fair Value Measurements
​ | ​ | December 31, 2021
(in thousands) |  | Level 1 |  | Level 2 |  | Level 3 |  | Total
Financial Assets: |  | ​ |  |  | ​ |  |  | ​ |  |  | ​ |
Cash and cash equivalents (money market funds) | ​ | $ | 417,165 | ​ | $ | — | ​ | $ | — | ​ | $ | 417,165
Restricted cash (money market funds) | ​ |  | 440 | ​ |  | — | ​ |  | — | ​ |  | 440
Total financial assets | ​ | $ | 417,605 | ​ | $ | — | ​ | $ | — | ​ | $ | 417,605

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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/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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