Revenue from Contracts with Customers - Contract Costs (Details) - USD ($) $ in Thousands |
12 Months Ended | |
---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
Revenue from Contract with Customer [Abstract] | ||
Payment terms | standard payment terms are 30 to 60 days | |
Amounts included in the contract liability at the beginning of the period | $ 33 | $ 33 |