Income Taxes - Current and Deferred Income Tax Expense (Details) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Income Tax Disclosure [Abstract] | |||
| Current income tax expense | $ 601 | $ 184 | $ 1,137 |
| Deferred income tax expense (tax benefit) | 239 | 378 | (336) |
| Income taxes | $ 840 | $ 562 | $ 801 |