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Leases (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Lessee, Lease, Description [Line Items] |  |  |  |  |
Options to extend the lease, period |  |  | 5 years |  |
Weighted average discount rate, Operating leases | 5.50% |  | 5.50% |  | 5.90%
Weighted average remaining lease term, Operating leases | 3 years 9 months 18 days |  | 3 years 9 months 18 days |  | 3 years 6 months
Lease, Cost [Abstract] |  |  |  |  |
Operating lease cost | $ 390 | $ 357 | $ 1,145 | $ 1,072 |
Assets and Liabilities, Lessee [Abstract] |  |  |  |  |
Operating lease right of use assets | 3,631 |  | 3,631 |  | $ 2,754
Current operating lease liabilities | $ 1,137 |  | $ 1,137 |  | $ 1,023
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | Other Accrued Liabilities, Current |  | Other Accrued Liabilities, Current |  | Other Accrued Liabilities, Current
Noncurrent operating lease liabilities | $ 2,453 |  | $ 2,453 |  | $ 1,670
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Other non-current liabilities |  | Other non-current liabilities |  | Other non-current liabilities
Total operating lease liabilities | $ 3,590 |  | $ 3,590 |  | $ 2,693
Weighted average remaining lease term, Operating leases | 3 years 9 months 18 days |  | 3 years 9 months 18 days |  | 3 years 6 months
Weighted average discount rate, Operating leases | 5.50% |  | 5.50% |  | 5.90%
Cash Flow, Operating Activities, Lessee [Abstract] |  |  |  |  |
Operating cash flows from operating leases |  |  | $ 1,145 | $ 1,072 |
Lessee, Operating Lease, Description [Abstract] |  |  |  |  |
Operating leases to be paid in remainder of fiscal year | $ 373 |  | 373 |  |
Operating leases to be paid in year one | 1,143 |  | 1,143 |  | $ 1,215
Operating leases to be paid in year two | 1,044 |  | 1,044 |  | 811
Operating leases to be paid in year three | 1,050 |  | 1,050 |  | 706
Operating leases to be paid in year four | 629 |  | 629 |  | 705
Operating leases to be paid in year five |  |  |  |  | 0
Total lease payments | 4,239 |  | 4,239 |  | 3,437
Less: imputed interest | (649) |  | (649) |  | (744)
Total operating lease liabilities | 3,590 |  | 3,590 |  | 2,693
Less: current obligations | 1,137 |  | 1,137 |  | 1,023
Long-term lease obligations | $ 2,453 |  | $ 2,453 |  | $ 1,670
Minimum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Remaining lease term | 1 year |  | 1 year |  |
Maximum |  |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |  |
Remaining lease term | 4 years |  | 4 years |  |

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