Operating and Reporting Segments (Commercial Mortgage-Backed Securities) (Details) - Financial Services - USD ($) $ in Thousands |
Feb. 28, 2022 |
Nov. 30, 2021 |
|---|---|---|
| Financing Agreement to Purchase Commercial Mortgage Backed Securities | Secured Debt | ||
| Segment Reporting Information [Line Items] | ||
| Outstanding debt, net of debt issuance costs | $ 146,322 | $ 147,474 |
| Incurred interest rate | 3.40% | 3.40% |
| CMBS | ||
| Segment Reporting Information [Line Items] | ||
| Debt Securities, Held-to-maturity | $ 156,587 | $ 157,808 |