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Redeemable, Convertible Preferred Stock - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands | 1 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 30, 2021 | Mar. 31, 2021 | Feb. 29, 2020 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021 | Dec. 31, 2020
Temporary Equity [Line Items] |  |  |  |  |  |  |
Issuance of preferred stock (in shares) |  |  |  |  | 3,634,210 | 3,792,268 | 2,034,212
Issuance of preferred stock |  |  |  |  | $ 83,073 | $ 86,223 | $ 46,470
Exercise of warrants (in shares) |  |  |  |  | 158,058 |  |
Dividend rate |  |  |  | 8.00% |  |  |
Series E |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |
Issuance of preferred stock (in shares) |  |  | 2,034,212 |  |  | 0 | 2,034,212
Issuance of preferred stock |  |  | $ 46,470 |  |  | $ 0 | $ 46,470
Issuance of preferred stock (in dollars per share) |  |  | $ 22.86 |  |  |  |
Series D |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |
Issuance of preferred stock (in shares) |  |  |  |  |  | 158,058 | 0
Issuance of preferred stock |  | $ 3,150 |  |  |  | $ 3,150 | $ 0
Issuance of preferred stock (in dollars per share) |  | $ 19.93 |  |  |  |  |
Exercise of warrants (in shares) |  | 158,058 |  |  |  |  |
Series F |  |  |  |  |  |  |
Temporary Equity [Line Items] |  |  |  |  |  |  |
Issuance of preferred stock (in shares) | 3,634,210 |  |  |  |  | 3,634,210 | 0
Issuance of preferred stock | $ 83,073 |  |  |  |  | $ 83,073 | $ 0
Issuance of preferred stock (in dollars per share) | $ 22.86 |  |  |  |  |  |

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- Definition The percentage rate used to calculate dividend payments on preferred stock. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644 + Details
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