Investment in Securities (Summary of Investment Income) (Details) $ in Thousands |
3 Months Ended |
|---|---|
|
Mar. 31, 2019
USD ($)
| |
| Debt Securities, Available-for-sale [Line Items] | |
| Coupon Interest | $ 21,876 |
| Net Amortization | (4,578) |
| Interest Income | 17,298 |
| Agency RMBS | |
| Debt Securities, Available-for-sale [Line Items] | |
| Coupon Interest | 12,190 |
| Net Amortization | (4,628) |
| Interest Income | 7,562 |
| Non-Agency RMBS and CMBS | |
| Debt Securities, Available-for-sale [Line Items] | |
| Coupon Interest | 3,849 |
| Net Amortization | 547 |
| Interest Income | 4,396 |
| CLOs | |
| Debt Securities, Available-for-sale [Line Items] | |
| Coupon Interest | 4,244 |
| Net Amortization | 65 |
| Interest Income | 4,309 |
| Other Securities | |
| Debt Securities, Available-for-sale [Line Items] | |
| Coupon Interest | 1,593 |
| Net Amortization | (562) |
| Interest Income | $ 1,031 |