Summary of Significant Accounting Policies - Computations of Basic and Diluted Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Earnings Per Share [Abstract] | ||
| Basic weighted-average common shares outstanding | 32,312 | 35,343 |
| Diluted weighted-average common shares outstanding | 32,312 | 35,343 |
| Net loss attributable to common stock | $ (12,431) | $ (70,707) |
| Basic loss per common share | $ (0.38) | $ (2.00) |
| Diluted loss per common share | $ (0.38) | $ (2.00) |