Investments in Agency MBS - Additional Information About Gains and Losses Recognized with Respect to Investments in Agency MBS (Details) - Agency MBS - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Net gains (losses) recognized in earnings for: | ||
| MBS still held at period end | $ (15,116) | $ 8,682 |
| MBS sold during the period | (13,249) | 22,344 |
| Total | $ (28,365) | $ 31,026 |