| Long-Term Debt - Debt Issuance Costs (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | 
|---|---|---|---|
| Long Term Debt | |||
| Incurred debt issuance costs | $ 338 | $ 592 | |
| Amortization of debt issuance costs | $ 358 | $ 133 | $ 314 | 
| X | ||||||||||
| 
- Definition Amount of accumulated amortization of debt issuance costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
 | 
| X | ||||||||||
| 
- References No definition available. 
 | 
| X | ||||||||||
| 
- Definition Amount, before accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef 
 |