Investment in Loans Investment in Loans (Schedule of Corporate 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 | ||||
| Loans, at fair value | [1],[2] | 3,822,895 | 2,415,321 | |||
| Corporate loan [Member] | ||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||
| Unpaid Principal Balance | 3,534 | 10,531 | ||||
| Loans, at fair value | $ 3,534 | $ 10,531 | ||||
| Weighted Average | ||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||
| Weighted Average Coupon | 1.66% | 3.52% | ||||
| Weighted average life | 7 years 1 month 2 days | 5 years 11 months 8 days | ||||
| Weighted Average | Corporate loan [Member] | ||||||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||||||
| Weighted Average Coupon | 6.27% | 16.14% | ||||
| Weighted average life | 3 years 1 month 2 days | 4 years 3 days | ||||
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