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Borrowings - Narrative (Details) - USD ($) $ in Thousands |  |  |  |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | ---
Sep. 07, 2021 | Aug. 20, 2021 | Jun. 19, 2021 | May 13, 2021 | Mar. 18, 2021 | Apr. 20, 2020 | Aug. 16, 2019 | Dec. 31, 2021 | Dec. 31, 2020
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Gain on PPP loan forgiveness |  |  |  |  |  |  |  | $ 2,297 | $ 0
Borrowing amount outstanding |  |  |  |  |  |  |  | $ 0 | $ 5,577
Silicon Valley Bank credit facility | Secured Debt |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Loan amount |  |  |  |  |  |  | $ 4,000 |  |
Principal payment extension term |  |  |  |  |  | 6 months |  |  |
Principal payments on bank loans | $ 2,333 |  |  |  |  |  |  |  |
Silicon Valley Bank credit facility | Secured Debt | Interest Rate Option Two |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Interest rate |  |  |  |  |  |  | 5.50% |  |
Silicon Valley Bank credit facility | Secured Debt | Prime Rate | Interest Rate Option One |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Basis spread on variable rate |  |  |  |  |  |  | 0.75% |  |
Paycheck Protection Program (PPP) Loan | Loans Payable | Principal |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Gain on PPP loan forgiveness |  |  | $ 2,270 |  |  |  |  |  |
Paycheck Protection Program (PPP) Loan | Loans Payable | Interest |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Gain on PPP loan forgiveness |  |  | $ 27 |  |  |  |  |  |
Financing Facility | Silicon Valley Bank Financing Facility |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Maximum capacity |  |  |  |  | $ 10,000 |  |  |  |
Interest rate |  |  |  |  | 8.00% |  |  |  |
Repayments for financing facility, including interest |  | $ 10,540 |  |  |  |  |  |  |
Financing Facility | Silicon Valley Bank Financing Facility, First Advance |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Maximum capacity |  |  |  |  | $ 4,000 |  |  |  |
Amount drawn |  |  |  |  | 4,000 |  |  |  |
Financing Facility | Silicon Valley Bank Financing Facility, Second Advance |  |  |  |  |  |  |  |  |
Line of Credit Facility [Line Items] |  |  |  |  |  |  |  |  |
Maximum capacity |  |  |  |  | $ 6,000 |  |  |  |
Amount drawn |  |  |  | $ 6,000 |  |  |  |  |

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