Investment in Loans (Schedule of Consumer Loans) (Details) - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|
Sep. 30, 2022 |
Dec. 31, 2021 |
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| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||
| Unpaid Principal Balance | $ 4,073,065 | $ 2,366,724 | ||||
| Unamortized Premium (Discount) | (150,657) | (143,262) | ||||
| Loans, at fair value | [1],[2] | $ 3,822,895 | $ 2,415,321 | |||
| Weighted Average | ||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||
| Weighted average life | 7 years 1 month 2 days | 5 years 11 months 8 days | ||||
| Consumer loans | ||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||
| Fair value of charged-off loans | $ 200 | $ 300 | ||||
| Unpaid Principal Balance | 6,203 | 59,881 | ||||
| Unamortized Premium (Discount) | (49) | 3,212 | ||||
| Investments, at fair value, Cost | 6,154 | 63,093 | ||||
| Gains | 440 | 809 | ||||
| Losses | (556) | (1,537) | ||||
| Loans, at fair value | $ 6,038 | $ 62,365 | ||||
| Consumer loans | Weighted Average | ||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||
| Weighted average life | 10 months 9 days | 11 months 8 days | ||||
| Delinquency (Days) | 9 days | 4 days | ||||
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