Financial Derivatives (Narrative) (Details) - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended |
|---|---|---|
Sep. 30, 2022 |
Dec. 31, 2021 |
|
| Derivative [Line Items] | ||
| Spread on written credit derivatives | 46.60% | |
| Written credit derivative spread threshold | 20.00% | 20.00% |
| Credit Default Swap, Selling Protection [Member] | ||
| Derivative [Line Items] | ||
| Credit risk derivative in excess of threshold, at fair value, net | $ (33) | $ (38) |
| Total net up-front payments received | $ 800 | $ 800 |
| Minimum | ||
| Derivative [Line Items] | ||
| Spread on written credit derivatives | 11.30% | |
| Upfront points on written credit derivative in excess of threshold | 46.3 | 55.4 |
| Maximum | ||
| Derivative [Line Items] | ||
| Spread on written credit derivatives | 14.10% | |
| Upfront points on written credit derivative in excess of threshold | 88.8 | 85.2 |