Description of Business and Summary of Significant Accounting Policies - Sales Commissions (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Accounting Policies [Abstract] | ||
| Deferred sales commissions | $ 479 | $ 650 |
| Amortization of deferred sales commissions | $ 1,100 | $ 763 |